Gearseeker Serpent (Card)

Gearseeker Serpent

In 1900 decks 0.06% of 3009564 decks

Group by

Sort by

Filters Card Filters

Mendicant Core, Guidelight

3.20% of 7510 decks 240 decks

Runo Stromkirk

3.41% of 4750 decks 162 decks

Kiora, Sovereign of the Deep

1.72% of 5479 decks 94 decks

Arixmethes, Slumbering Isle

1.83% of 4204 decks 77 decks

Koma, Cosmos Serpent

1.03% of 6137 decks 63 decks

Kenessos, Priest of Thassa

1.29% of 3792 decks 49 decks

Imoti, Celebrant of Bounty

0.83% of 4921 decks 41 decks

Winter, Cursed Rider

8.09% of 482 decks 39 decks

Urza, Lord High Artificer

0.26% of 14932 decks 39 decks

Captain Howler, Sea Scourge

0.57% of 5999 decks 34 decks

Emry, Lurker of the Loch

0.61% of 4786 decks 29 decks

Sai, Master Thopterist

1.14% of 2283 decks 26 decks

Koma, World-Eater

1.02% of 2151 decks 22 decks

Urza, Chief Artificer

0.14% of 14625 decks 21 decks

Lonis, Cryptozoologist

0.41% of 4665 decks 19 decks

Iron Man, Titan of Innovation

0.33% of 5418 decks 18 decks

Helga, Skittish Seer

0.19% of 9258 decks 18 decks

Breya, Etherium Shaper

0.11% of 16030 decks 18 decks

Shorikai, Genesis Engine

0.09% of 19082 decks 17 decks

Padeem, Consul of Innovation

4.16% of 385 decks 16 decks

New Cards

Temur Tawnyback

9% of 32 decks +9% synergy

Monastery Messenger

8% of 24 decks +8% synergy

Midgar, City of Mako

8% of 26 decks +6% synergy

Temur Devotee

6% of 36 decks +5% synergy

Temur Battlecrier

6% of 36 decks -4% synergy

High Synergy Cards

Voyager Quickwelder

62% of 421 decks +60% synergy

Voyage Home

59% of 423 decks +57% synergy

Guidelight Pathmaker

43% of 426 decks +42% synergy

Guidelight Synergist

39% of 421 decks +39% synergy

Interface Ace

35% of 425 decks +34% synergy

Imskir Iron-Eater

33% of 85 decks +32% synergy

Broadcast Rambler

32% of 421 decks +31% synergy

Nesting Bot

31% of 425 decks +30% synergy

Memory Guardian

30% of 1076 decks +30% synergy

Tune Up

29% of 425 decks +29% synergy

Top Cards

Cultivate

39% of 632 decks -5% synergy

Rampant Growth

35% of 632 decks +1% synergy

Swords to Plowshares

32% of 538 decks -31% synergy

Counterspell

31% of 1901 decks -11% synergy

Kodama's Reach

28% of 632 decks -2% synergy

Simic Sky Swallower

26% of 632 decks +25% synergy

Growth Spiral

26% of 632 decks +5% synergy

Lightwheel Enhancements

26% of 421 decks +26% synergy

Negate

26% of 1901 decks +4% synergy

Clamorous Ironclad

26% of 234 decks +25% synergy

Game Changers

Rhystic Study

7% of 1901 decks -19% synergy

Cyclonic Rift

6% of 1901 decks -19% synergy

Worldly Tutor

6% of 632 decks -7% synergy

Creatures

Guidelight Optimizer

25% of 1076 decks +25% synergy

Pactdoll Terror

25% of 233 decks +24% synergy

Gyruda, Doom of Depths

25% of 458 decks +23% synergy

Riptide Gearhulk

25% of 423 decks +22% synergy

Arixmethes, Slumbering Isle

24% of 632 decks +20% synergy

Aesi, Tyrant of Gyre Strait

24% of 632 decks +17% synergy

Koma, Cosmos Serpent

24% of 632 decks +19% synergy

Foundry Inspector

22% of 1901 decks +18% synergy

Koma, World-Eater

22% of 360 decks +18% synergy

Tatyova, Benthic Druid

21% of 632 decks +9% synergy

Solemn Simulacrum

21% of 1901 decks +7% synergy

Xolatoyac, the Smiling Flood

21% of 544 decks +19% synergy

Scourge of Fleets

20% of 1901 decks +19% synergy

Thunderhead Gunner

20% of 234 decks +20% synergy

Chulane, Teller of Tales

20% of 76 decks +15% synergy

Diversion Unit

20% of 1082 decks +19% synergy

Wrexial, the Risen Deep

19% of 458 decks +18% synergy

Lochmere Serpent

19% of 458 decks +19% synergy

Ethersworn Sphinx

19% of 538 decks +18% synergy

Enthusiastic Mechanaut

19% of 370 decks +15% synergy

Slinn Voda, the Rising Deep

19% of 1901 decks +18% synergy

Fearless Swashbuckler

18% of 237 decks +17% synergy

Transit Mage

18% of 1082 decks +17% synergy

Magmakin Artillerist

17% of 234 decks +16% synergy

Hullbreaker Horror

17% of 1901 decks +9% synergy

Furnace Hellkite

17% of 306 decks +16% synergy

Nimbus Swimmer

17% of 632 decks +16% synergy

Tromokratis

17% of 1901 decks +16% synergy

Etherium Sculptor

17% of 1901 decks +11% synergy

Serpent of Yawning Depths

16% of 1901 decks +15% synergy

Thought Monitor

16% of 1901 decks +13% synergy

Reckless Fireweaver

16% of 370 decks +12% synergy

Stormtide Leviathan

16% of 1901 decks +14% synergy

Goreclaw, Terror of Qal Sisma

16% of 632 decks +11% synergy

Rot-Tide Gargantua

16% of 458 decks +15% synergy

Gold Myr

15% of 538 decks +13% synergy

Cephalopod Sentry

15% of 538 decks +15% synergy

Aatchik, Emerald Radian

15% of 39 decks +14% synergy

Junk Winder

15% of 1901 decks +13% synergy

Aetherjacket

15% of 1082 decks +15% synergy

Kiora's Follower

15% of 632 decks +9% synergy

Cloudspire Captain

15% of 425 decks +14% synergy

Wreckage Wickerfolk

15% of 233 decks +14% synergy

Inkwell Leviathan

15% of 1901 decks +14% synergy

Ornithopter of Paradise

14% of 1901 decks +10% synergy

Vnwxt, Verbose Host

14% of 1095 decks +13% synergy

Shipbreaker Kraken

14% of 1901 decks +14% synergy

Scrapdiver Serpent

14% of 1901 decks +14% synergy

Sai, Master Thopterist

14% of 1901 decks +10% synergy

Canyon Vaulter

14% of 425 decks +14% synergy

Instants

Spectral Interference

23% of 1076 decks +23% synergy

Bounce Off

21% of 1079 decks +21% synergy

Ride's End

20% of 422 decks +20% synergy

Path to Exile

20% of 538 decks -27% synergy

Beast Within

19% of 632 decks -17% synergy

Dispatch

19% of 538 decks +14% synergy

Spin Out

18% of 233 decks +18% synergy

Broadside Barrage

18% of 234 decks +18% synergy

Maximum Overdrive

18% of 233 decks +18% synergy

Skycrash

16% of 234 decks +16% synergy

Chaos Warp

15% of 370 decks -16% synergy

Terminate

14% of 101 decks -6% synergy

Brainstorm

13% of 1901 decks -6% synergy

Abrade

12% of 370 decks +1% synergy

Heroic Intervention

12% of 632 decks -18% synergy

Gallant Strike

12% of 421 decks +11% synergy

Frantic Search

11% of 1901 decks -2% synergy

Murder

11% of 458 decks +8% synergy

Go for the Throat

11% of 458 decks +4% synergy

Opt

11% of 1901 decks +1% synergy

Spell Pierce

11% of 1901 decks +7% synergy

Generous Gift

10% of 538 decks -14% synergy

Bestow Greatness

10% of 292 decks +10% synergy

Arcane Denial

10% of 1901 decks -11% synergy

Lightshield Parry

10% of 426 decks +10% synergy

Refute

9% of 1248 decks +7% synergy

Big Score

9% of 370 decks +0% synergy

Aetherize

9% of 1901 decks +3% synergy

Defend the Rider

9% of 297 decks +8% synergy

An Offer You Can't Refuse

9% of 1901 decks -13% synergy

Galvanic Blast

9% of 370 decks +8% synergy

Trip Up

9% of 1076 decks +9% synergy

Run Over

9% of 288 decks +9% synergy

Void Rend

9% of 104 decks -5% synergy

Lightning Strike

9% of 370 decks +8% synergy

Fuel the Flames

9% of 234 decks +8% synergy

Harrow

8% of 632 decks -1% synergy

Syphon Fuel

8% of 228 decks +8% synergy

Crash and Burn

8% of 234 decks +8% synergy

Road Rage

8% of 234 decks +8% synergy

Thrill of Possibility

8% of 370 decks -2% synergy

Izzet Charm

8% of 370 decks +3% synergy

Putrefy

8% of 62 decks -8% synergy

Pedal to the Metal

8% of 236 decks +8% synergy

Reality Shift

8% of 1901 decks -1% synergy

Cancel

8% of 1901 decks +6% synergy

Eureka Moment

8% of 632 decks +4% synergy

Despark

8% of 104 decks -7% synergy

Welding Sparks

8% of 370 decks +7% synergy

High Tide

7% of 1901 decks +4% synergy

Sorceries

Collision Course

23% of 423 decks +23% synergy

Whelming Wave

23% of 1901 decks +21% synergy

Haunt the Network

22% of 237 decks +22% synergy

Farseek

21% of 632 decks -14% synergy

Risky Shortcut

20% of 233 decks +19% synergy

Organic Extinction

20% of 538 decks +18% synergy

Thoughtcast

20% of 1901 decks +16% synergy

Feed the Swarm

17% of 458 decks -0% synergy

Explore

16% of 632 decks +7% synergy

Stall Out

16% of 1076 decks +16% synergy

Spectacular Pileup

15% of 422 decks +15% synergy

Wake the Past

15% of 95 decks +12% synergy

Blasphemous Act

15% of 370 decks -19% synergy

Stock Up

13% of 1087 decks +12% synergy

Full Throttle

13% of 237 decks +11% synergy

Overwhelming Stampede

12% of 632 decks +7% synergy

Hellish Sideswipe

12% of 233 decks +12% synergy

Back on Track

12% of 235 decks +12% synergy

Nature's Lore

12% of 632 decks -20% synergy

Push the Limit

12% of 234 decks +11% synergy

Extract from Darkness

11% of 458 decks +8% synergy

Austere Command

11% of 538 decks -2% synergy

Victimize

10% of 458 decks -2% synergy

Broken Bond

10% of 632 decks +8% synergy

Urban Evolution

10% of 632 decks +6% synergy

Trade the Helm

10% of 1082 decks +10% synergy

Dread Return

10% of 458 decks +5% synergy

Shamanic Revelation

9% of 632 decks +1% synergy

Convert to Slime

9% of 43 decks +8% synergy

Ponder

9% of 1901 decks -4% synergy

Three Visits

8% of 632 decks -16% synergy

Faithless Looting

8% of 370 decks -8% synergy

Persist

8% of 458 decks +6% synergy

Preordain

8% of 1901 decks -2% synergy

Vindicate

8% of 104 decks +2% synergy

Dance of the Manse

8% of 538 decks +4% synergy

Rise from the Wreck

7% of 288 decks +7% synergy

Quag Feast

7% of 240 decks +7% synergy

Reanimate

7% of 458 decks -10% synergy

Skyshroud Claim

7% of 632 decks -2% synergy

Soul's Majesty

7% of 632 decks +5% synergy

Explosive Getaway

7% of 58 decks +7% synergy

Roadside Blowout

7% of 1087 decks +7% synergy

Mouth // Feed

7% of 632 decks +7% synergy

Rishkar's Expertise

7% of 632 decks -3% synergy

Casualties of War

6% of 62 decks +2% synergy

Reverse Engineer

6% of 1901 decks +6% synergy

Notion Rain

6% of 458 decks +5% synergy

Edge of Autumn

6% of 632 decks +6% synergy

Explosive Vegetation

6% of 632 decks +3% synergy

Utility Artifacts

Thundering Broodwagon

25% of 36 decks +25% synergy

Salvation Engine

25% of 422 decks +24% synergy

Commander's Sphere

24% of 1901 decks +10% synergy

Hulldrifter

24% of 1095 decks +24% synergy

Boosted Sloop

23% of 237 decks +22% synergy

Alacrian Armory

23% of 421 decks +23% synergy

Mind Stone

22% of 1901 decks +6% synergy

Haunted Hellride

22% of 237 decks +22% synergy

Starting Column

22% of 1095 decks +22% synergy

Swiftfoot Boots

22% of 1901 decks -6% synergy

Midnight Mangler

21% of 1095 decks +21% synergy

Perilous Snare

21% of 425 decks +20% synergy

Demonic Junker

21% of 237 decks +20% synergy

Spotcycle Scouter

20% of 425 decks +19% synergy

Broodheart Engine

19% of 36 decks +19% synergy

Guidelight Matrix

19% of 1076 decks +19% synergy

Racers' Scoreboard

18% of 1082 decks +18% synergy

Dune Drifter

18% of 60 decks +18% synergy

Aether Syphon

18% of 1090 decks +18% synergy

Detention Chariot

17% of 423 decks +17% synergy

Grim Bauble

17% of 233 decks +17% synergy

Air Response Unit

17% of 426 decks +17% synergy

Debris Beetle

17% of 36 decks +17% synergy

Thopter Fabricator

16% of 1095 decks +15% synergy

Cloudspire Skycycle

15% of 59 decks +15% synergy

Ripclaw Wrangler

15% of 233 decks +15% synergy

Rocketeer Boostbuggy

15% of 68 decks +14% synergy

Repurposing Bay

14% of 1095 decks +13% synergy

Possession Engine

14% of 1090 decks +14% synergy

Cranial Ram

14% of 85 decks +13% synergy

Burner Rocket

14% of 234 decks +14% synergy

Door to Nothingness

14% of 29 decks +10% synergy

Thousand Moons Smithy

13% of 514 decks +11% synergy

Voyager Glidecar

13% of 426 decks +12% synergy

Wayfarer's Bauble

12% of 1901 decks +3% synergy

Rover Blades

12% of 1076 decks +12% synergy

Carrion Cruiser

12% of 237 decks +12% synergy

Lightning Greaves

12% of 1901 decks -13% synergy

Rangers' Refueler

12% of 1087 decks +12% synergy

Bident of Thassa

12% of 1901 decks +5% synergy

Spire Mechcycle

12% of 234 decks +11% synergy

Lumbering Worldwagon

11% of 291 decks +10% synergy

Valor's Flagship

10% of 426 decks +10% synergy

Cranial Plating

10% of 458 decks +8% synergy

Scrap Compactor

10% of 1079 decks +10% synergy

Skybox Ferry

10% of 1076 decks +10% synergy

Gastal Thrillroller

9% of 234 decks +9% synergy

Hedron Archive

9% of 1901 decks +6% synergy

Prodigy's Prototype

9% of 538 decks +8% synergy

Apocalypse Runner

9% of 55 decks +9% synergy

Enchantments

Garruk's Uprising

23% of 632 decks +7% synergy

Roadside Assistance

17% of 423 decks +17% synergy

Flood the Engine

16% of 1079 decks +16% synergy

Unstoppable Plan

16% of 1080 decks +13% synergy

Thopter Spy Network

15% of 1901 decks +12% synergy

Kickoff Celebrations

14% of 234 decks +13% synergy

Colossal Majesty

12% of 632 decks +9% synergy

Up the Beanstalk

10% of 587 decks +6% synergy

Quest for Ula's Temple

10% of 1901 decks +9% synergy

Hour of Victory

10% of 240 decks +9% synergy

All That Glitters

9% of 538 decks +4% synergy

Elemental Bond

9% of 632 decks +3% synergy

Mechanized Production

8% of 1901 decks +5% synergy

Momentum Breaker

8% of 235 decks +8% synergy

Silken Strength

8% of 285 decks +8% synergy

Point the Way

8% of 291 decks +8% synergy

Ominous Seas

7% of 1901 decks +5% synergy

Tempered Steel

7% of 538 decks +6% synergy

Efficient Construction

7% of 1901 decks +6% synergy

Tribute to the World Tree

7% of 632 decks +0% synergy

Propaganda

7% of 1901 decks -6% synergy

Dredger's Insight

7% of 292 decks +6% synergy

Storm the Vault

6% of 370 decks +4% synergy

Deadbridge Chant

6% of 62 decks +4% synergy

Outpace Oblivion

6% of 234 decks +6% synergy

Doubling Season

6% of 632 decks -3% synergy

Parallel Lives

6% of 632 decks -1% synergy

Wild Growth

6% of 632 decks -5% synergy

Count on Luck

6% of 237 decks +5% synergy

Animate Dead

5% of 458 decks -4% synergy

Michiko's Reign of Truth

5% of 538 decks +4% synergy

Phyrexian Arena

5% of 458 decks -10% synergy

Aqueous Form

5% of 1901 decks +1% synergy

Banishing Light

5% of 538 decks +3% synergy

Battles

Invasion of Kaladesh

5% of 370 decks +5% synergy

Invasion of Segovia

5% of 1901 decks +4% synergy

Planeswalkers

Kiora, Behemoth Beckoner

16% of 632 decks +12% synergy

Saheeli, Sublime Artificer

13% of 370 decks +9% synergy

Chandra, Spark Hunter

13% of 237 decks +12% synergy

Kiora, the Crashing Wave

11% of 632 decks +10% synergy

Tezzeret, Master of the Bridge

9% of 458 decks +7% synergy

Saheeli, the Gifted

8% of 370 decks +7% synergy

Kiora, Master of the Depths

7% of 632 decks +6% synergy

Grist, the Hunger Tide

6% of 62 decks +2% synergy

Saheeli, Filigree Master

6% of 370 decks +5% synergy

Daretti, Scrap Savant

5% of 370 decks +3% synergy

Utility Lands

Ancient Den

28% of 538 decks +23% synergy

Country Roads

25% of 426 decks +25% synergy

Great Furnace

25% of 370 decks +19% synergy

Avishkar Raceway

24% of 1095 decks +24% synergy

Seat of the Synod

24% of 1901 decks +17% synergy

Amonkhet Raceway

22% of 1095 decks +21% synergy

Vault of Whispers

21% of 458 decks +17% synergy

Reliquary Tower

21% of 1901 decks -9% synergy

Muraganda Raceway

20% of 1095 decks +19% synergy

Rogue's Passage

16% of 1901 decks -4% synergy

Mosswort Bridge

16% of 632 decks +6% synergy

Reef Roads

16% of 1095 decks +16% synergy

Darksteel Citadel

15% of 1901 decks +12% synergy

Rocky Roads

14% of 237 decks +13% synergy

Mortuary Mire

13% of 458 decks +8% synergy

Foul Roads

12% of 240 decks +12% synergy

Tree of Tales

12% of 632 decks +10% synergy

Temple of the False God

12% of 1901 decks +2% synergy

Bojuka Bog

11% of 458 decks -18% synergy

Archway of Innovation

9% of 1465 decks +6% synergy

Buried Ruin

8% of 1901 decks +3% synergy

Mystic Sanctuary

7% of 1901 decks -4% synergy

Academy Ruins

7% of 1901 decks +2% synergy

Grim Backwoods

6% of 62 decks +3% synergy

Treasure Vault

6% of 1901 decks +4% synergy

Restless Reef

6% of 409 decks +4% synergy

Halimar Depths

6% of 1901 decks +3% synergy

Wild Roads

5% of 299 decks +5% synergy

Inventors' Fair

5% of 1901 decks +2% synergy

Castle Vantress

5% of 1901 decks +1% synergy

Mana Artifacts

Sol Ring

68% of 1901 decks -16% synergy

Arcane Signet

57% of 1901 decks -16% synergy

Simic Signet

36% of 632 decks +22% synergy

Dimir Signet

34% of 458 decks +6% synergy

Azorius Signet

29% of 538 decks +4% synergy

Talisman of Unity

24% of 76 decks +16% synergy

Izzet Signet

22% of 370 decks -4% synergy

Talisman of Dominance

21% of 458 decks -11% synergy

Thought Vessel

19% of 1901 decks +2% synergy

Talisman of Progress

18% of 538 decks -7% synergy

Orzhov Signet

17% of 104 decks -9% synergy

Gruul Signet

16% of 104 decks +5% synergy

Talisman of Curiosity

16% of 632 decks +3% synergy

Talisman of Conviction

16% of 95 decks -8% synergy

Talisman of Creativity

15% of 370 decks -14% synergy

Selesnya Signet

14% of 76 decks +6% synergy

Sky Diamond

13% of 1901 decks +9% synergy

Rakdos Signet

13% of 101 decks -16% synergy

Fellwar Stone

13% of 1901 decks -8% synergy

Talisman of Impulse

12% of 104 decks +2% synergy

Charcoal Diamond

12% of 458 decks +8% synergy

Talisman of Indulgence

12% of 101 decks -15% synergy

Veloheart Bike

11% of 297 decks +11% synergy

Talisman of Hierarchy

11% of 104 decks -15% synergy

Boros Signet

9% of 95 decks -12% synergy

Thran Dynamo

9% of 1901 decks +4% synergy

Talisman of Resilience

8% of 62 decks -5% synergy

The Aetherspark

7% of 1095 decks +6% synergy

Gilded Lotus

7% of 1901 decks +4% synergy

Marble Diamond

7% of 538 decks +3% synergy

Decanter of Endless Water

6% of 1901 decks +2% synergy

Everflowing Chalice

6% of 1901 decks +2% synergy

Boommobile

6% of 237 decks +6% synergy

Worn Powerstone

6% of 1901 decks +3% synergy

Midnight Clock

6% of 1901 decks +0% synergy

Lands

Command Tower

53% of 1901 decks -22% synergy

Tranquil Cove

45% of 538 decks +38% synergy

Drossforge Bridge

45% of 101 decks +41% synergy

Mystic Monastery

41% of 95 decks +13% synergy

Thornwood Falls

40% of 632 decks +33% synergy

Swiftwater Cliffs

38% of 370 decks +31% synergy

Goldmire Bridge

38% of 104 decks +33% synergy

Simic Growth Chamber

36% of 632 decks +17% synergy

Rustvale Bridge

35% of 95 decks +30% synergy

Dismal Backwater

34% of 458 decks +28% synergy

Slagwoods Bridge

34% of 104 decks +31% synergy

Seaside Citadel

33% of 76 decks +6% synergy

Frontier Bivouac

33% of 104 decks +4% synergy

Temple of Mystery

32% of 632 decks +14% synergy

Prairie Stream

32% of 538 decks -2% synergy

Arcane Sanctum

32% of 104 decks +4% synergy

Silverbluff Bridge

31% of 370 decks +25% synergy

Razortide Bridge

30% of 538 decks +24% synergy

Thornglint Bridge

30% of 76 decks +28% synergy

Hinterland Harbor

29% of 632 decks -2% synergy

Jungle Hollow

29% of 62 decks +20% synergy

Evolving Wilds

29% of 1901 decks +8% synergy

Temple of Epiphany

28% of 370 decks +10% synergy

Sunken Hollow

26% of 458 decks -9% synergy

Temple of Enlightenment

26% of 538 decks +9% synergy

Dimir Aqueduct

25% of 458 decks +9% synergy

Darkmoss Bridge

24% of 62 decks +21% synergy

Crumbling Necropolis

24% of 101 decks -7% synergy

Simic Guildgate

23% of 632 decks +17% synergy

Tranquil Landscape

23% of 62 decks +13% synergy

Glacial Fortress

22% of 538 decks -6% synergy

Temple of Deceit

22% of 458 decks +6% synergy

Mistvault Bridge

22% of 458 decks +18% synergy

Cinder Glade

22% of 104 decks -16% synergy

Skycloud Expanse

22% of 538 decks +9% synergy

Rugged Highlands

21% of 104 decks +15% synergy

Dreamroot Cascade

21% of 632 decks +1% synergy

Port Town

20% of 538 decks +5% synergy

Frostboil Snarl

20% of 370 decks +5% synergy

Vineglimmer Snarl

20% of 632 decks +9% synergy

Yavimaya Coast

20% of 632 decks -7% synergy

Wind-Scarred Crag

20% of 95 decks +13% synergy

Canopy Vista

20% of 76 decks -17% synergy

Night Market

19% of 1095 decks +18% synergy

Terramorphic Expanse

19% of 1901 decks +3% synergy

Choked Estuary

18% of 458 decks +2% synergy

Flooded Grove

18% of 632 decks +4% synergy

Ziatora's Proving Ground

18% of 34 decks -12% synergy

Sulfur Falls

18% of 370 decks -16% synergy

Breeding Pool

17% of 632 decks -23% synergy