Pyre Hound (Card)
Pyre Hound
In 1956 decks
0.06% of 3264360 decks
Tesak, Judith's Hellhound
70.48% of 647 decks
456 decks
Feather, the Redeemed
1.28% of 11339 decks
145 decks
Rin and Seri, Inseparable
0.47% of 18500 decks
87 decks
Zada, Hedron Grinder
0.83% of 9205 decks
76 decks
Niv-Mizzet, Parun
0.38% of 15994 decks
61 decks
Imodane, the Pyrohammer
0.61% of 8546 decks
52 decks
Judith, Carnage Connoisseur
0.41% of 11030 decks
45 decks
Veyran, Voice of Duality
0.39% of 9447 decks
37 decks
Balmor, Battlemage Captain
0.91% of 2738 decks
25 decks
Chandra, Fire of Kaladesh
0.81% of 2843 decks
23 decks
Mizzix of the Izmagnus
0.45% of 5167 decks
23 decks
Torbran, Thane of Red Fell
0.54% of 3718 decks
20 decks
Omnath, Locus of Rage
0.25% of 8001 decks
20 decks
Ashling, Flame Dancer
0.47% of 4006 decks
19 decks
Bria, Riptide Rogue
0.26% of 7444 decks
19 decks
Firesong and Sunspeaker
0.46% of 3892 decks
18 decks
Urabrask
0.46% of 3736 decks
17 decks
Kalamax, the Stormsire
0.23% of 7494 decks
17 decks
Kroxa and Kunoros
0.87% of 1840 decks
16 decks
Alania, Divergent Storm
0.23% of 7006 decks
16 decks
New Cards
Singularity Rupture
25% of 4 decks
+25% synergy
Honor
9% of 35 decks
+9% synergy
Archenemy's Charm
8% of 25 decks
+8% synergy
Chrome Companion
6% of 196 decks
+6% synergy
Icecave Crasher
5% of 22 decks
+4% synergy
High Synergy Cards
Goblin Electromancer
47% of 591 decks
+47% synergy
Opt
36% of 591 decks
+36% synergy
Cultivate
35% of 297 decks
+35% synergy
Guttersnipe
35% of 1956 decks
+35% synergy
Negate
35% of 591 decks
+35% synergy
Jinnie Fay, Jetmir's Second
34% of 131 decks
+34% synergy
Whirlwind of Thought
33% of 73 decks
+33% synergy
Swords to Plowshares
32% of 417 decks
+32% synergy
Faithful Watchdog
32% of 95 decks
+32% synergy
Counterspell
31% of 591 decks
+31% synergy
Top Cards
Defiant Strike
30% of 417 decks
+30% synergy
Kunoros, Hound of Athreos
28% of 39 decks
+28% synergy
Path to Exile
28% of 417 decks
+28% synergy
Abrade
28% of 1956 decks
+28% synergy
Chaos Warp
28% of 1956 decks
+27% synergy
Shelter
27% of 417 decks
+27% synergy
Pack Leader
27% of 417 decks
+27% synergy
Bolt Hound
27% of 1956 decks
+27% synergy
Jetmir, Nexus of Revels
27% of 131 decks
+27% synergy
Lightning Bolt
27% of 1956 decks
+27% synergy
Game Changers
Jeska's Will
9% of 1956 decks
+9% synergy
Smothering Tithe
7% of 417 decks
+7% synergy
Demonic Tutor
7% of 219 decks
+7% synergy
Aura Shards
6% of 131 decks
+6% synergy
Cyclonic Rift
6% of 591 decks
+6% synergy
Mystical Tutor
6% of 591 decks
+6% synergy
Rhystic Study
5% of 591 decks
+5% synergy
Deflecting Swat
5% of 1956 decks
+5% synergy
Creatures
Chromanticore
27% of 15 decks
+27% synergy
Goldhound
26% of 1956 decks
+26% synergy
Arcbound Tracker
25% of 1956 decks
+25% synergy
Talrand, Sky Summoner
25% of 591 decks
+24% synergy
Young Pyromancer
24% of 1956 decks
+24% synergy
Enduring Courage
24% of 1193 decks
+24% synergy
Two-Headed Cerberus
24% of 1956 decks
+24% synergy
Hound of Griselbrand
23% of 1956 decks
+23% synergy
Mowu, Loyal Companion
23% of 297 decks
+23% synergy
Akoum Hellhound
23% of 1956 decks
+23% synergy
Fiery Hellhound
23% of 1956 decks
+23% synergy
Black Waltz No. 3
23% of 44 decks
+23% synergy
Underworld Rage-Hound
23% of 1956 decks
+23% synergy
Igneous Cur
22% of 1956 decks
+22% synergy
Komainu Battle Armor
22% of 1956 decks
+22% synergy
Archmage Emeritus
21% of 591 decks
+21% synergy
Immolating Souleater
21% of 1956 decks
+21% synergy
Scrapwork Mutt
21% of 1956 decks
+21% synergy
Phalanx Leader
21% of 417 decks
+21% synergy
Spirited Companion
21% of 417 decks
+21% synergy
Pride Sovereign
21% of 131 decks
+21% synergy
Kutzil, Malamet Exemplar
20% of 122 decks
+20% synergy
Murmuring Mystic
20% of 591 decks
+20% synergy
Ashmouth Hound
20% of 1956 decks
+20% synergy
Thermo-Alchemist
19% of 1956 decks
+19% synergy
Mogis's Warhound
19% of 1956 decks
+19% synergy
Wildfire Cerberus
19% of 1956 decks
+19% synergy
Monastery Mentor
19% of 417 decks
+19% synergy
Stormcatch Mentor
19% of 416 decks
+19% synergy
Chandra's Magmutt
19% of 1956 decks
+19% synergy
Taurean Mauler
19% of 1956 decks
+19% synergy
Scrapyard Mongrel
18% of 1956 decks
+18% synergy
Balmor, Battlemage Captain
18% of 591 decks
+18% synergy
Loyal Warhound
18% of 417 decks
+18% synergy
Hellfire Mongrel
18% of 1956 decks
+18% synergy
Electrostatic Infantry
17% of 1956 decks
+17% synergy
Tempest Angler
17% of 416 decks
+17% synergy
Storm-Kiln Artist
17% of 1956 decks
+17% synergy
Edgewall Pack
17% of 1947 decks
+17% synergy
Marisi, Breaker of the Coil
17% of 131 decks
+17% synergy
Iron Mastiff
16% of 1956 decks
+16% synergy
Summon: G.F. Cerberus
16% of 354 decks
+16% synergy
Tenth District Legionnaire
16% of 417 decks
+16% synergy
Rambunctious Mutt
16% of 417 decks
+16% synergy
Feline Sovereign
15% of 297 decks
+15% synergy
Sterling Hound
15% of 1576 decks
+15% synergy
Keeper of Fables
15% of 297 decks
+15% synergy
Firebrand Archer
15% of 1956 decks
+15% synergy
Spellgorger Weird
15% of 1956 decks
+15% synergy
Niv-Mizzet, Parun
15% of 591 decks
+15% synergy
Instants
Gods Willing
27% of 417 decks
+27% synergy
Thrill of Possibility
27% of 1956 decks
+27% synergy
Growth Spiral
25% of 79 decks
+25% synergy
Brainstorm
25% of 591 decks
+25% synergy
Boros Charm
24% of 417 decks
+24% synergy
Big Score
21% of 1956 decks
+21% synergy
Frantic Search
20% of 591 decks
+20% synergy
Dogpile
19% of 1956 decks
+19% synergy
Dark Ritual
18% of 219 decks
+18% synergy
Terminate
18% of 219 decks
+18% synergy
Feat of Resistance
18% of 417 decks
+18% synergy
Demand Answers
18% of 1805 decks
+18% synergy
Izzet Charm
18% of 591 decks
+18% synergy
Murder
17% of 219 decks
+17% synergy
Pledge of Unity
17% of 131 decks
+17% synergy
Unexpected Windfall
17% of 1956 decks
+17% synergy
Take Up the Shield
17% of 417 decks
+16% synergy
Adamant Will
16% of 417 decks
+16% synergy
Rakdos Charm
16% of 219 decks
+16% synergy
Dragonrage
16% of 1956 decks
+16% synergy
Mortify
15% of 39 decks
+15% synergy
Naya Charm
15% of 131 decks
+15% synergy
Shock
15% of 1956 decks
+15% synergy
Return of the Wildspeaker
15% of 297 decks
+15% synergy
Transpose
15% of 48 decks
+15% synergy
Bedevil
14% of 219 decks
+14% synergy
Consider
14% of 591 decks
+14% synergy
Cancel
14% of 591 decks
+14% synergy
Battle Hymn
14% of 1956 decks
+14% synergy
Expedite
14% of 1956 decks
+14% synergy
Electrodominance
14% of 1956 decks
+14% synergy
Guided Strike
14% of 417 decks
+14% synergy
Overkill
14% of 44 decks
+14% synergy
Comet Storm
14% of 1956 decks
+14% synergy
Great Train Heist
13% of 1594 decks
+13% synergy
Village Rites
13% of 219 decks
+13% synergy
Boon of Safety
13% of 417 decks
+13% synergy
Maestros Charm
13% of 61 decks
+13% synergy
Despark
13% of 39 decks
+13% synergy
Ajani's Presence
13% of 417 decks
+13% synergy
Swift Justice
12% of 417 decks
+12% synergy
Beast Within
12% of 297 decks
+12% synergy
Seething Song
12% of 1956 decks
+12% synergy
Cabaretti Charm
12% of 131 decks
+12% synergy
Loran's Escape
12% of 417 decks
+12% synergy
Arcane Denial
12% of 591 decks
+12% synergy
Heroic Intervention
12% of 297 decks
+12% synergy
Battlefield Promotion
12% of 417 decks
+12% synergy
Sheltering Light
12% of 417 decks
+12% synergy
Blacksmith's Skill
12% of 417 decks
+11% synergy
Sorceries
Rampant Growth
26% of 297 decks
+26% synergy
Blasphemous Act
25% of 1956 decks
+25% synergy
Cornered by Black Mages
23% of 43 decks
+23% synergy
Faithless Looting
23% of 1956 decks
+23% synergy
Farseek
22% of 297 decks
+22% synergy
Preordain
20% of 591 decks
+20% synergy
Vandalblast
19% of 1956 decks
+19% synergy
Ponder
18% of 591 decks
+18% synergy
Titanic Ultimatum
18% of 131 decks
+17% synergy
Release the Dogs
18% of 417 decks
+17% synergy
Kodama's Reach
16% of 297 decks
+16% synergy
Angelfire Ignition
15% of 417 decks
+15% synergy
Sign in Blood
15% of 219 decks
+15% synergy
Circle of Power
15% of 48 decks
+15% synergy
Divination
14% of 591 decks
+14% synergy
Feed the Swarm
14% of 219 decks
+14% synergy
Ruinous Ultimatum
13% of 39 decks
+13% synergy
Serum Visions
13% of 591 decks
+13% synergy
Shamanic Revelation
12% of 297 decks
+12% synergy
Kindred Charge
12% of 1956 decks
+12% synergy
Explore
11% of 297 decks
+11% synergy
Harmonize
11% of 297 decks
+11% synergy
Nature's Lore
11% of 297 decks
+11% synergy
Camaraderie
11% of 131 decks
+11% synergy
Tormenting Voice
11% of 1956 decks
+10% synergy
Read the Bones
11% of 219 decks
+10% synergy
Expressive Iteration
10% of 591 decks
+10% synergy
Three Visits
10% of 297 decks
+10% synergy
Grapeshot
10% of 1956 decks
+10% synergy
Unburial Rites
10% of 39 decks
+10% synergy
Treasure Cruise
10% of 591 decks
+10% synergy
Mana Geyser
10% of 1956 decks
+10% synergy
Ringsight
10% of 61 decks
+10% synergy
Austere Command
10% of 417 decks
+10% synergy
Diabolic Tutor
10% of 219 decks
+10% synergy
Time Wipe
10% of 73 decks
+10% synergy
Night's Whisper
9% of 219 decks
+9% synergy
Decimate
9% of 297 decks
+9% synergy
Disrupt Decorum
9% of 1956 decks
+9% synergy
Renegade Tactics
9% of 1956 decks
+8% synergy
Supreme Verdict
8% of 73 decks
+8% synergy
Cruel Ultimatum
8% of 61 decks
+8% synergy
Mystic Retrieval
8% of 591 decks
+8% synergy
Epic Experiment
8% of 591 decks
+8% synergy
Vindicate
8% of 39 decks
+8% synergy
Damn
8% of 39 decks
+8% synergy
Enter the Enigma
8% of 365 decks
+8% synergy
Grab the Prize
8% of 1201 decks
+8% synergy
Rip Apart
7% of 417 decks
+7% synergy
In Garruk's Wake
7% of 219 decks
+7% synergy
Utility Artifacts
Swiftfoot Boots
19% of 1956 decks
+19% synergy
Black Mage's Rod
19% of 48 decks
+19% synergy
Ruby Medallion
18% of 1956 decks
+18% synergy
Hazoret's Monument
17% of 1956 decks
+17% synergy
Sunforger
13% of 417 decks
+13% synergy
Herald's Horn
13% of 1956 decks
+13% synergy
Vanquisher's Banner
12% of 1956 decks
+12% synergy
Wayfarer's Bauble
9% of 1956 decks
+9% synergy
Dolmen Gate
9% of 1956 decks
+9% synergy
Basilisk Collar
8% of 1956 decks
+8% synergy
Lightning Greaves
8% of 1956 decks
+8% synergy
Horizon Stone
8% of 1956 decks
+7% synergy
Embercleave
6% of 1956 decks
+6% synergy
The Darkness Crystal
6% of 48 decks
+6% synergy
Icon of Ancestry
6% of 1956 decks
+6% synergy
The Fire Crystal
6% of 376 decks
+6% synergy
Esika's Chariot
6% of 297 decks
+6% synergy
Banner of Kinship
5% of 1058 decks
+5% synergy
The Great Henge
5% of 297 decks
+5% synergy
Enchantments
Shared Animosity
20% of 1956 decks
+20% synergy
Thousand-Year Storm
17% of 591 decks
+17% synergy
Ferocity of the Wilds
16% of 1956 decks
+16% synergy
Jeskai Ascendancy
14% of 73 decks
+14% synergy
Uncivil Unrest
14% of 1956 decks
+13% synergy
Etchings of the Chosen
13% of 39 decks
+13% synergy
Felidar Retreat
12% of 417 decks
+12% synergy
Fiery Inscription
12% of 1956 decks
+12% synergy
Doubling Season
12% of 297 decks
+12% synergy
Rhythm of the Wild
11% of 297 decks
+11% synergy
War Cadence
10% of 1956 decks
+10% synergy
Aggravated Assault
10% of 1956 decks
+10% synergy
Molten Echoes
10% of 1956 decks
+10% synergy
Beastmaster Ascension
10% of 297 decks
+10% synergy
Curiosity
10% of 591 decks
+10% synergy
Fiery Emancipation
9% of 1956 decks
+9% synergy
Garruk's Uprising
9% of 297 decks
+9% synergy
Parallel Lives
9% of 297 decks
+9% synergy
Impact Tremors
9% of 1956 decks
+9% synergy
Sorcerer Class
9% of 591 decks
+9% synergy
Firemind's Research
8% of 591 decks
+8% synergy
Mirari's Wake
8% of 131 decks
+8% synergy
Cabaretti Ascendancy
8% of 131 decks
+8% synergy
Goblin War Drums
8% of 1956 decks
+8% synergy
Primal Vigor
8% of 297 decks
+8% synergy
Jace's Sanctum
8% of 591 decks
+8% synergy
Wizard Class
8% of 591 decks
+8% synergy
Case of the Ransacked Lab
7% of 518 decks
+7% synergy
Strength of the Harvest
7% of 96 decks
+7% synergy
City on Fire
7% of 1956 decks
+7% synergy
Double Vision
7% of 1956 decks
+7% synergy
Swarm Intelligence
7% of 591 decks
+7% synergy
Connecting the Dots
7% of 1745 decks
+7% synergy
Hardened Scales
7% of 297 decks
+7% synergy
Annie Joins Up
7% of 105 decks
+7% synergy
Metallurgic Summonings
6% of 591 decks
+6% synergy
Branching Evolution
6% of 297 decks
+6% synergy
Trail of Evidence
6% of 591 decks
+6% synergy
Rite of the Dragoncaller
6% of 1056 decks
+6% synergy
Propaganda
6% of 591 decks
+6% synergy
Zendikar's Roil
6% of 297 decks
+6% synergy
Cathars' Crusade
6% of 417 decks
+6% synergy
Pacifism
6% of 417 decks
+6% synergy
Dragon Mantle
6% of 1956 decks
+6% synergy
Intangible Virtue
6% of 417 decks
+5% synergy
Myth Realized
5% of 417 decks
+5% synergy
Bedlam
5% of 1956 decks
+5% synergy
Shark Typhoon
5% of 591 decks
+5% synergy
Stormchaser's Talent
5% of 414 decks
+5% synergy
Temur Ascendancy
5% of 79 decks
+5% synergy
Planeswalkers
Narset of the Ancient Way
14% of 73 decks
+14% synergy
Ajani, the Greathearted
13% of 131 decks
+13% synergy
Ral, Storm Conduit
11% of 591 decks
+11% synergy
Ral, Crackling Wit
8% of 416 decks
+8% synergy
Professor Onyx
8% of 219 decks
+8% synergy
Saheeli, Sublime Artificer
6% of 591 decks
+6% synergy
Domri, Anarch of Bolas
5% of 297 decks
+5% synergy
Utility Lands
Gavony Township
21% of 131 decks
+21% synergy
Rogue's Passage
19% of 1956 decks
+19% synergy
Animal Sanctuary
18% of 1956 decks
+18% synergy
Castle Embereth
17% of 1956 decks
+17% synergy
Reliquary Tower
17% of 1956 decks
+17% synergy
Mystic Sanctuary
14% of 591 decks
+14% synergy
Bojuka Bog
13% of 219 decks
+13% synergy
Forgotten Cave
13% of 1956 decks
+13% synergy
War Room
11% of 1956 decks
+11% synergy
Karn's Bastion
10% of 1956 decks
+9% synergy
Kessig Wolf Run
9% of 297 decks
+9% synergy
Spinerock Knoll
9% of 1956 decks
+9% synergy
Lonely Sandbar
8% of 591 decks
+8% synergy
Temple of the False God
7% of 1956 decks
+7% synergy
Midgar, City of Mako
7% of 43 decks
+7% synergy
Fertile Thicket
7% of 297 decks
+7% synergy
Three Tree City
7% of 1347 decks
+7% synergy
Slayers' Stronghold
6% of 417 decks
+6% synergy
Mosswort Bridge
6% of 297 decks
+6% synergy
Needle Spires
6% of 417 decks
+6% synergy
Mines of Moria
6% of 1956 decks
+6% synergy
Sunhome, Fortress of the Legion
6% of 417 decks
+5% synergy
Halimar Depths
5% of 591 decks
+5% synergy
Smoldering Crater
5% of 1956 decks
+5% synergy
Mortuary Mire
5% of 219 decks
+5% synergy
Mana Artifacts
Sol Ring
61% of 1956 decks
+61% synergy
Arcane Signet
50% of 1956 decks
+50% synergy
Izzet Signet
31% of 591 decks
+31% synergy
Boros Signet
25% of 417 decks
+25% synergy
Orzhov Signet
23% of 39 decks
+23% synergy
Rakdos Signet
22% of 219 decks
+22% synergy
Commander's Sphere
20% of 1956 decks
+20% synergy
Mind Stone
19% of 1956 decks
+19% synergy
Azorius Signet
16% of 73 decks
+16% synergy
Fire Diamond
16% of 1956 decks
+16% synergy
Dimir Signet
15% of 61 decks
+15% synergy
Patchwork Banner
14% of 1338 decks
+14% synergy
Talisman of Conviction
13% of 417 decks
+13% synergy
Heraldic Banner
13% of 1956 decks
+13% synergy
Talisman of Creativity
13% of 591 decks
+13% synergy
Mardu Banner
13% of 39 decks
+13% synergy
Jeskai Banner
12% of 73 decks
+12% synergy
Talisman of Progress
12% of 73 decks
+12% synergy
Thought Vessel
12% of 1956 decks
+11% synergy
Gruul Signet
11% of 297 decks
+11% synergy
Rakdos Locket
11% of 219 decks
+10% synergy
Sky Diamond
10% of 591 decks
+10% synergy
Izzet Locket
9% of 591 decks
+9% synergy
Obelisk of Jund
9% of 32 decks
+9% synergy
Selesnya Signet
9% of 131 decks
+9% synergy
Marble Diamond
9% of 417 decks
+9% synergy
Simic Signet
9% of 79 decks
+9% synergy
Izzet Cluestone
9% of 591 decks
+9% synergy
Fellwar Stone
8% of 1956 decks
+8% synergy
Charcoal Diamond
8% of 219 decks
+8% synergy
Talisman of Indulgence
8% of 219 decks
+8% synergy
Talisman of Hierarchy
8% of 39 decks
+8% synergy
Temur Banner
8% of 79 decks
+8% synergy
Boros Locket
7% of 417 decks
+7% synergy
Pyromancer's Goggles
7% of 1956 decks
+7% synergy
Azorius Locket
7% of 73 decks
+7% synergy
Glittering Stockpile
7% of 1956 decks
+7% synergy
Talisman of Dominance
7% of 61 decks
+6% synergy
Obelisk of Grixis
7% of 61 decks
+6% synergy
Boros Cluestone
6% of 417 decks
+6% synergy
Ketria Crystal
5% of 79 decks
+5% synergy
Talisman of Curiosity
5% of 79 decks
+5% synergy
Rakdos Cluestone
5% of 219 decks
+5% synergy
Gauntlet of Power
5% of 1956 decks
+5% synergy
Lands
Jungle Shrine
46% of 131 decks
+46% synergy
Nomad Outpost
44% of 39 decks
+44% synergy
Swiftwater Cliffs
43% of 591 decks
+43% synergy
Frontier Bivouac
39% of 79 decks
+39% synergy
Command Tower
38% of 1956 decks
+38% synergy
Mystic Monastery
38% of 73 decks
+38% synergy
Bloodfell Caves
35% of 219 decks
+35% synergy
Canopy Vista
34% of 131 decks
+34% synergy
Smoldering Marsh
33% of 219 decks
+33% synergy
Cinder Glade
31% of 297 decks
+31% synergy
Thornwood Falls
29% of 79 decks
+29% synergy
Wind-Scarred Crag
29% of 417 decks
+29% synergy
Blossoming Sands
29% of 131 decks
+29% synergy
Izzet Guildgate
29% of 591 decks
+29% synergy
Clifftop Retreat
28% of 417 decks
+28% synergy
Crumbling Necropolis
28% of 61 decks
+28% synergy
Tranquil Cove
27% of 73 decks
+27% synergy
Izzet Boilerworks
27% of 591 decks
+27% synergy
Rugged Highlands
27% of 297 decks
+27% synergy
Ketria Triome
27% of 79 decks
+27% synergy
Boros Garrison
26% of 417 decks
+26% synergy
Temple of Epiphany
26% of 591 decks
+26% synergy
Temple of Triumph
26% of 417 decks
+26% synergy
Sulfur Falls
26% of 591 decks
+25% synergy
Evolving Wilds
25% of 1956 decks
+25% synergy
Jetmir's Garden
25% of 131 decks
+25% synergy
Jungle Hollow
25% of 32 decks
+25% synergy
Savage Lands
25% of 32 decks
+25% synergy
Rakdos Guildgate
24% of 219 decks
+24% synergy
Rakdos Carnarium
24% of 219 decks
+24% synergy
Sunpetal Grove
24% of 131 decks
+24% synergy
Glacial Fortress
23% of 73 decks
+23% synergy
Dismal Backwater
23% of 61 decks
+23% synergy
Myriad Landscape
22% of 1956 decks
+22% synergy
Boros Guildgate
22% of 417 decks
+22% synergy
Highland Lake
22% of 591 decks
+22% synergy
Dimir Guildgate
21% of 61 decks
+21% synergy
Path of Ancestry
21% of 1956 decks
+20% synergy
Prairie Stream
21% of 73 decks
+20% synergy
Foreboding Ruins
21% of 219 decks
+20% synergy
Rootbound Crag
21% of 297 decks
+20% synergy
Scoured Barrens
21% of 39 decks
+20% synergy
Breeding Pool
20% of 79 decks
+20% synergy
Temple of Malice
20% of 219 decks
+20% synergy
Opulent Palace
20% of 15 decks
+20% synergy
Gruul Turf
20% of 297 decks
+19% synergy
Temple of Enlightenment
19% of 73 decks
+19% synergy
Hinterland Harbor
19% of 79 decks
+19% synergy
Golgari Rot Farm
19% of 32 decks
+19% synergy
Shivan Reef
19% of 591 decks
+19% synergy