Infernal Offering (Card)
Infernal Offering
In 6411 decks
0.19% of 3456613 decks
Feb 21, 2025
Top 10 Black Group Hug Cards for Gonti, Night Minister
Group hugs have something for everyone at the table!
Apr 15, 2022
Too-Specific Top 10 - Unearthing Rebirth
Need to recur creatures? Doug brews the new Cormela in a much-too-specific way!
Breena, the Demagogue
20.69% of 5395 decks
1116 decks
Shadrix Silverquill
13.84% of 2449 decks
339 decks
Sheoldred, the Apocalypse
2.27% of 10084 decks
229 decks
Kardur, Doomscourge
2.56% of 5985 decks
153 decks
Tivit, Seller of Secrets
1.20% of 12377 decks
148 decks
Queen Marchesa
0.76% of 14815 decks
113 decks
Neyam Shai Murad
22.18% of 478 decks
106 decks
Kenrith, the Returned King
0.40% of 26298 decks
105 decks
Ob Nixilis of the Black Oath
16.11% of 602 decks
97 decks
Child of Alara
1.17% of 7776 decks
91 decks
Raphael, Fiendish Savior
1.53% of 4917 decks
75 decks
Gonti, Lord of Luxury
5.37% of 1359 decks
73 decks
Hidetsugu and Kairi
2.63% of 2779 decks
73 decks
Tergrid, God of Fright
0.66% of 10481 decks
69 decks
Mathas, Fiend Seeker
3.06% of 2225 decks
68 decks
Gonti, Night Minister
2.02% of 3117 decks
63 decks
Atris, Oracle of Half-Truths
8.67% of 715 decks
62 decks
Thraximundar
2.73% of 2086 decks
57 decks
Nekusar, the Mindrazer
0.23% of 23437 decks
54 decks
Elenda, the Dusk Rose
0.81% of 6195 decks
50 decks
New Cards
Cheering Crowd
6% of 17 decks
+6% synergy
Mutinous Massacre
6% of 286 decks
+5% synergy
Vernal Fen
5% of 164 decks
+5% synergy
Icetill Explorer
5% of 155 decks
+4% synergy
Singularity Rupture
4% of 223 decks
+4% synergy
High Synergy Cards
Promise of Loyalty
55% of 2988 decks
+55% synergy
Secret Rendezvous
53% of 2988 decks
+52% synergy
Ghostly Prison
51% of 2988 decks
+50% synergy
Inkshield
50% of 2988 decks
+50% synergy
Orzhov Advokist
49% of 2988 decks
+49% synergy
Duelist's Heritage
49% of 2988 decks
+49% synergy
Combat Calligrapher
46% of 2988 decks
+46% synergy
Nils, Discipline Enforcer
45% of 2988 decks
+45% synergy
Windborn Muse
44% of 2988 decks
+44% synergy
Swords to Plowshares
44% of 2988 decks
+44% synergy
Top Cards
Fracture
44% of 2988 decks
+44% synergy
Magister of Worth
43% of 2988 decks
+43% synergy
Felisa, Fang of Silverquill
43% of 2988 decks
+43% synergy
Selfless Squire
40% of 2988 decks
+40% synergy
Deathbringer Liege
40% of 2988 decks
+40% synergy
Tragic Arrogance
37% of 2988 decks
+37% synergy
Utter End
37% of 2988 decks
+37% synergy
Knight of the White Orchid
36% of 2988 decks
+36% synergy
Teysa, Envoy of Ghosts
36% of 2988 decks
+36% synergy
Together Forever
35% of 2988 decks
+35% synergy
Game Changers
Smothering Tithe
18% of 2988 decks
+18% synergy
Expropriate
11% of 1486 decks
+11% synergy
Teferi's Protection
10% of 2988 decks
+9% synergy
Seedborn Muse
9% of 1018 decks
+8% synergy
Rhystic Study
8% of 1486 decks
+7% synergy
Crop Rotation
7% of 1018 decks
+7% synergy
Demonic Tutor
6% of 6411 decks
+6% synergy
Cyclonic Rift
5% of 1486 decks
+5% synergy
Bolas's Citadel
5% of 6411 decks
+5% synergy
Creatures
Scholarship Sponsor
33% of 2988 decks
+33% synergy
Shadrix Silverquill
32% of 2988 decks
+32% synergy
Sunscorch Regent
32% of 2988 decks
+32% synergy
Master of Ceremonies
26% of 2988 decks
+26% synergy
Keeper of the Accord
25% of 2988 decks
+25% synergy
Loran of the Third Path
24% of 2988 decks
+24% synergy
Sakura-Tribe Elder
23% of 1018 decks
+23% synergy
Breena, the Demagogue
22% of 2988 decks
+22% synergy
Solemn Simulacrum
21% of 6411 decks
+21% synergy
Keen Duelist
20% of 6411 decks
+20% synergy
Gluntch, the Bestower
20% of 379 decks
+20% synergy
Mangara, the Diplomat
19% of 2988 decks
+19% synergy
Dusk Legion Duelist
19% of 2988 decks
+19% synergy
Eternal Witness
18% of 1018 decks
+18% synergy
Shaile, Dean of Radiance
18% of 2988 decks
+18% synergy
Humble Defector
18% of 1880 decks
+18% synergy
Boreas Charger
18% of 2988 decks
+18% synergy
Oreskos Explorer
18% of 2988 decks
+18% synergy
Gray Merchant of Asphodel
17% of 6411 decks
+17% synergy
Kardur, Doomscourge
17% of 1880 decks
+17% synergy
Selvala, Explorer Returned
17% of 379 decks
+17% synergy
Elite Scaleguard
16% of 2988 decks
+16% synergy
Fain, the Broker
16% of 6411 decks
+16% synergy
Tatyova, Benthic Druid
16% of 457 decks
+16% synergy
Firemane Commando
16% of 2988 decks
+16% synergy
Gwafa Hazid, Profiteer
16% of 650 decks
+16% synergy
Círdan the Shipwright
16% of 457 decks
+15% synergy
Stalking Leonin
15% of 2988 decks
+15% synergy
Ignoble Hierarch
15% of 528 decks
+15% synergy
Xantcha, Sleeper Agent
15% of 1880 decks
+15% synergy
Necropolis Regent
14% of 6411 decks
+14% synergy
Skullwinder
14% of 1018 decks
+14% synergy
Baleful Strix
13% of 1486 decks
+13% synergy
Kynaios and Tiro of Meletis
13% of 302 decks
+13% synergy
Rootweaver Druid
13% of 1018 decks
+13% synergy
Mathas, Fiend Seeker
13% of 649 decks
+13% synergy
Kiora's Follower
12% of 457 decks
+12% synergy
Author of Shadows
12% of 6411 decks
+12% synergy
Sun Titan
12% of 2988 decks
+12% synergy
Angel of Serenity
12% of 2988 decks
+12% synergy
Esper Sentinel
12% of 2988 decks
+12% synergy
Archaeomancer
12% of 1486 decks
+12% synergy
Veteran Explorer
12% of 1018 decks
+12% synergy
Lotho, Corrupt Shirriff
12% of 2988 decks
+12% synergy
Zhur-Taa Ancient
12% of 528 decks
+12% synergy
Gisela, Blade of Goldnight
12% of 649 decks
+12% synergy
Stormfist Crusader
12% of 1880 decks
+11% synergy
Mahadi, Emporium Master
12% of 1880 decks
+11% synergy
The Council of Four
12% of 650 decks
+11% synergy
Kwain, Itinerant Meddler
12% of 650 decks
+11% synergy
Instants
Path to Exile
34% of 2988 decks
+34% synergy
Despark
30% of 2988 decks
+30% synergy
Generous Gift
28% of 2988 decks
+28% synergy
Oblation
27% of 2988 decks
+27% synergy
Chaos Warp
27% of 1880 decks
+27% synergy
Growth Spiral
24% of 457 decks
+24% synergy
Counterspell
22% of 1486 decks
+22% synergy
Beast Within
20% of 1018 decks
+19% synergy
Split Decision
19% of 1486 decks
+19% synergy
Anguished Unmaking
19% of 2988 decks
+19% synergy
Dark Ritual
18% of 6411 decks
+18% synergy
Benevolent Offering
18% of 2988 decks
+18% synergy
Fact or Fiction
18% of 1486 decks
+18% synergy
Arcane Denial
17% of 1486 decks
+17% synergy
Rakdos Charm
17% of 1880 decks
+17% synergy
Naya Charm
17% of 308 decks
+17% synergy
Intellectual Offering
17% of 1486 decks
+17% synergy
Terminate
16% of 1880 decks
+16% synergy
Your Temple Is Under Attack
16% of 2988 decks
+16% synergy
Crackling Doom
15% of 649 decks
+15% synergy
Assassin's Trophy
15% of 1018 decks
+15% synergy
Mortify
15% of 2988 decks
+14% synergy
Village Rites
15% of 6411 decks
+14% synergy
Deflecting Palm
14% of 649 decks
+14% synergy
Bedevil
14% of 1880 decks
+14% synergy
Negate
14% of 1486 decks
+14% synergy
Sail into the West
14% of 457 decks
+14% synergy
Dawn's Truce
14% of 1967 decks
+13% synergy
Frantic Search
13% of 1486 decks
+13% synergy
Void Rend
13% of 650 decks
+13% synergy
Putrefy
13% of 1018 decks
+13% synergy
Illusion of Choice
13% of 1486 decks
+13% synergy
An Offer You Can't Refuse
13% of 1486 decks
+12% synergy
Bound // Determined
12% of 457 decks
+12% synergy
Baleful Mastery
12% of 6411 decks
+12% synergy
Ghostly Flicker
12% of 1486 decks
+12% synergy
Immortal Obligation
11% of 2566 decks
+11% synergy
Abrade
11% of 1880 decks
+10% synergy
Malakir Rebirth
10% of 6411 decks
+10% synergy
Harrow
10% of 1018 decks
+10% synergy
Deadly Dispute
10% of 6411 decks
+10% synergy
Wrong Turn
9% of 1486 decks
+9% synergy
Boros Charm
9% of 649 decks
+9% synergy
Brainstorm
9% of 1486 decks
+9% synergy
Trap the Trespassers
9% of 1486 decks
+9% synergy
Stroke of Midnight
8% of 2988 decks
+8% synergy
Unbreakable Formation
8% of 2988 decks
+8% synergy
Revitalizing Repast
8% of 760 decks
+8% synergy
Take the Bait
8% of 547 decks
+8% synergy
Tempt with Mayhem
8% of 1403 decks
+8% synergy
Sorceries
Council's Judgment
33% of 2988 decks
+32% synergy
Cultivate
32% of 1018 decks
+32% synergy
Tempt with Discovery
29% of 1018 decks
+29% synergy
Blasphemous Act
26% of 1880 decks
+26% synergy
Cut a Deal
24% of 2988 decks
+23% synergy
Farseek
23% of 1018 decks
+23% synergy
Victimize
22% of 6411 decks
+22% synergy
Rampant Growth
21% of 1018 decks
+21% synergy
Austere Command
21% of 2988 decks
+21% synergy
Pir's Whim
20% of 1018 decks
+20% synergy
Kodama's Reach
20% of 1018 decks
+19% synergy
Sign in Blood
18% of 6411 decks
+18% synergy
Incarnation Technique
18% of 6411 decks
+18% synergy
Feed the Swarm
18% of 6411 decks
+18% synergy
Plea for Power
17% of 1486 decks
+16% synergy
Urban Evolution
16% of 457 decks
+16% synergy
Damn
16% of 2988 decks
+15% synergy
Collective Voyage
15% of 1018 decks
+15% synergy
Rise of the Witch-king
14% of 1018 decks
+14% synergy
Blot Out the Sky
14% of 2988 decks
+14% synergy
Ruinous Ultimatum
14% of 649 decks
+14% synergy
Scheming Symmetry
14% of 6411 decks
+14% synergy
Nature's Lore
14% of 1018 decks
+14% synergy
Ambition's Cost
14% of 6411 decks
+13% synergy
Tempt with Reflections
14% of 1486 decks
+13% synergy
Sylvan Offering
13% of 1018 decks
+13% synergy
Minds Aglow
13% of 1486 decks
+13% synergy
Disrupt Decorum
13% of 1880 decks
+13% synergy
Faithless Looting
12% of 1880 decks
+12% synergy
Read the Bones
12% of 6411 decks
+12% synergy
Dread Return
12% of 6411 decks
+12% synergy
Reanimate
12% of 6411 decks
+12% synergy
Fractured Identity
12% of 650 decks
+12% synergy
Explore
11% of 1018 decks
+11% synergy
Zndrsplt's Judgment
11% of 1486 decks
+11% synergy
Virtus's Maneuver
11% of 6411 decks
+11% synergy
Tempt with Immortality
11% of 6411 decks
+10% synergy
Circuitous Route
10% of 1018 decks
+10% synergy
Tempt with Bunnies
10% of 1952 decks
+10% synergy
Mythos of Snapdax
10% of 649 decks
+10% synergy
Culling Ritual
10% of 1018 decks
+9% synergy
Vandalblast
9% of 1880 decks
+9% synergy
Tempt with Vengeance
9% of 1880 decks
+9% synergy
Open the Gates
9% of 1018 decks
+9% synergy
Windfall
9% of 1486 decks
+9% synergy
Replication Technique
9% of 1486 decks
+9% synergy
Three Visits
9% of 1018 decks
+8% synergy
Prisoner's Dilemma
9% of 1656 decks
+8% synergy
Supreme Verdict
9% of 650 decks
+8% synergy
Approach of the Second Sun
9% of 2988 decks
+8% synergy
Utility Artifacts
Tempting Contract
23% of 6411 decks
+23% synergy
Swiftfoot Boots
22% of 6411 decks
+22% synergy
Wedding Ring
19% of 2988 decks
+19% synergy
Bloodthirsty Blade
17% of 6411 decks
+17% synergy
Pendant of Prosperity
17% of 6411 decks
+16% synergy
Lightning Greaves
14% of 6411 decks
+14% synergy
Wayfarer's Bauble
14% of 6411 decks
+14% synergy
Norn's Annex
13% of 2988 decks
+12% synergy
Jet Medallion
12% of 6411 decks
+12% synergy
Howling Mine
11% of 6411 decks
+11% synergy
Wishclaw Talisman
10% of 6411 decks
+9% synergy
Ghirapur Orrery
8% of 6411 decks
+8% synergy
Ashnod's Altar
8% of 6411 decks
+7% synergy
Temple Bell
7% of 6411 decks
+7% synergy
Door to Nothingness
7% of 302 decks
+7% synergy
Skullclamp
6% of 6411 decks
+6% synergy
Folio of Fancies
6% of 1486 decks
+6% synergy
Font of Mythos
5% of 6411 decks
+5% synergy
Archaeomancer's Map
5% of 2988 decks
+5% synergy
Enchantments
Citadel Siege
28% of 2988 decks
+28% synergy
Debtors' Knell
26% of 2988 decks
+26% synergy
Martial Impetus
24% of 2988 decks
+24% synergy
Rites of Flourishing
22% of 1018 decks
+22% synergy
Tenuous Truce
21% of 2988 decks
+20% synergy
Noble Heritage
21% of 2988 decks
+20% synergy
Vow of Duty
20% of 2988 decks
+19% synergy
Cunning Rhetoric
19% of 6411 decks
+19% synergy
Court of Grace
18% of 2988 decks
+18% synergy
Soul Snare
18% of 2988 decks
+17% synergy
Curse of Disturbance
16% of 6411 decks
+16% synergy
Propaganda
16% of 1486 decks
+15% synergy
Phyrexian Arena
14% of 6411 decks
+14% synergy
Parasitic Impetus
14% of 6411 decks
+14% synergy
Curse of Opulence
11% of 1880 decks
+11% synergy
Heartbeat of Spring
11% of 1018 decks
+10% synergy
Descent into Avernus
10% of 1880 decks
+10% synergy
Wilderness Reclamation
10% of 1018 decks
+10% synergy
Dictate of Karametra
9% of 1018 decks
+9% synergy
Mana Flare
9% of 1880 decks
+8% synergy
Spiteful Visions
9% of 1880 decks
+8% synergy
Felidar Retreat
8% of 2988 decks
+8% synergy
Sphere of Safety
8% of 2988 decks
+8% synergy
Blind Obedience
8% of 2988 decks
+8% synergy
Animate Dead
8% of 6411 decks
+8% synergy
Moldervine Reclamation
8% of 1018 decks
+8% synergy
Leyline of the Guildpact
8% of 252 decks
+7% synergy
Smuggler's Share
8% of 2988 decks
+7% synergy
Riveteers Ascendancy
7% of 528 decks
+7% synergy
Deathreap Ritual
7% of 1018 decks
+7% synergy
Underworld Dreams
7% of 6411 decks
+7% synergy
Assemble the Legion
7% of 649 decks
+7% synergy
Overabundance
7% of 528 decks
+7% synergy
Eladamri's Vineyard
7% of 1018 decks
+6% synergy
Dictate of Kruphix
7% of 1486 decks
+6% synergy
Rite of the Raging Storm
7% of 1880 decks
+6% synergy
The Mending of Dominaria
6% of 1018 decks
+6% synergy
Fevered Visions
6% of 664 decks
+6% synergy
Redemption Arc
6% of 2566 decks
+6% synergy
Dramatic Finale
6% of 2988 decks
+6% synergy
Shiny Impetus
6% of 1880 decks
+6% synergy
Black Market Connections
6% of 6411 decks
+6% synergy
Cathars' Crusade
6% of 2988 decks
+6% synergy
Black Market
6% of 6411 decks
+6% synergy
Monologue Tax
6% of 2988 decks
+6% synergy
Captive Audience
6% of 1880 decks
+6% synergy
Journey to Eternity
6% of 1018 decks
+6% synergy
Fecundity
6% of 1018 decks
+5% synergy
Vampiric Rites
6% of 6411 decks
+5% synergy
Court of Ardenvale
6% of 2988 decks
+5% synergy
Planeswalkers
Gideon, Champion of Justice
8% of 2988 decks
+8% synergy
Teyo, Geometric Tactician
6% of 2988 decks
+6% synergy
Ob Nixilis, the Hate-Twisted
6% of 6411 decks
+6% synergy
Ob Nixilis Reignited
5% of 6411 decks
+5% synergy
Utility Lands
Bojuka Bog
43% of 6411 decks
+43% synergy
Rogue's Passage
29% of 6411 decks
+28% synergy
Reliquary Tower
25% of 6411 decks
+25% synergy
Mikokoro, Center of the Sea
23% of 6411 decks
+23% synergy
Secluded Steppe
22% of 2988 decks
+22% synergy
Temple of the False God
18% of 6411 decks
+17% synergy
Barren Moor
17% of 6411 decks
+16% synergy
Vault of the Archangel
16% of 2988 decks
+15% synergy
Grim Backwoods
12% of 1018 decks
+12% synergy
Urborg, Tomb of Yawgmoth
12% of 6411 decks
+12% synergy
Cabal Coffers
12% of 6411 decks
+12% synergy
Geier Reach Sanitarium
12% of 6411 decks
+11% synergy
Mystic Sanctuary
9% of 1486 decks
+8% synergy
Cabal Stronghold
7% of 6411 decks
+7% synergy
Witch's Cottage
6% of 6411 decks
+6% synergy
Mortuary Mire
6% of 6411 decks
+6% synergy
Boseiju, Who Endures
6% of 1018 decks
+6% synergy
Kessig Wolf Run
6% of 528 decks
+6% synergy
Takenuma, Abandoned Mire
6% of 6411 decks
+6% synergy
Mosswort Bridge
6% of 1018 decks
+6% synergy
High Market
6% of 6411 decks
+6% synergy
Phyrexian Tower
6% of 6411 decks
+6% synergy
Maze of Ith
5% of 6411 decks
+5% synergy
Castle Locthwain
5% of 6411 decks
+5% synergy
Mana Artifacts
Sol Ring
79% of 6411 decks
+78% synergy
Arcane Signet
69% of 6411 decks
+68% synergy
Orzhov Signet
60% of 2988 decks
+59% synergy
Rakdos Signet
35% of 1880 decks
+34% synergy
Mind Stone
34% of 6411 decks
+34% synergy
Dimir Signet
34% of 1486 decks
+34% synergy
Talisman of Hierarchy
32% of 2988 decks
+32% synergy
Talisman of Dominance
27% of 1486 decks
+27% synergy
Boros Signet
24% of 649 decks
+24% synergy
Talisman of Indulgence
22% of 1880 decks
+22% synergy
Azorius Signet
21% of 650 decks
+20% synergy
Izzet Signet
20% of 664 decks
+20% synergy
Commander's Sphere
20% of 6411 decks
+20% synergy
Victory Chimes
17% of 6411 decks
+17% synergy
Fellwar Stone
17% of 6411 decks
+17% synergy
Thought Vessel
16% of 6411 decks
+16% synergy
Talisman of Conviction
16% of 649 decks
+16% synergy
Talisman of Creativity
16% of 664 decks
+16% synergy
Coveted Jewel
15% of 6411 decks
+15% synergy
Charcoal Diamond
14% of 6411 decks
+14% synergy
Spectral Searchlight
13% of 6411 decks
+13% synergy
Talisman of Progress
10% of 650 decks
+10% synergy
Golgari Signet
10% of 1018 decks
+10% synergy
Fire Diamond
9% of 1880 decks
+9% synergy
Relic of Sauron
8% of 664 decks
+8% synergy
Talisman of Resilience
7% of 1018 decks
+7% synergy
Simic Signet
6% of 457 decks
+6% synergy
Sky Diamond
6% of 1486 decks
+6% synergy
Gruul Signet
6% of 528 decks
+6% synergy
Worn Powerstone
5% of 6411 decks
+5% synergy
Chromatic Lantern
5% of 6411 decks
+5% synergy
Lands
Command Tower
67% of 6411 decks
+67% synergy
Caves of Koilos
56% of 2988 decks
+56% synergy
Temple of Silence
55% of 2988 decks
+55% synergy
Orzhov Basilica
53% of 2988 decks
+52% synergy
Tainted Field
52% of 2988 decks
+51% synergy
Nomad Outpost
43% of 649 decks
+43% synergy
Arcane Sanctum
42% of 650 decks
+42% synergy
Sunken Hollow
40% of 1486 decks
+40% synergy
Crumbling Necropolis
40% of 664 decks
+39% synergy
Smoldering Marsh
39% of 1880 decks
+39% synergy
Exotic Orchard
38% of 6411 decks
+38% synergy
Isolated Chapel
38% of 2988 decks
+37% synergy
Myriad Landscape
37% of 6411 decks
+37% synergy
Dragonskull Summit
33% of 1880 decks
+33% synergy
Savage Lands
32% of 528 decks
+32% synergy
Prairie Stream
29% of 650 decks
+29% synergy
Shineshadow Snarl
28% of 2988 decks
+28% synergy
Godless Shrine
28% of 2988 decks
+28% synergy
Silverquill Campus
28% of 2988 decks
+28% synergy
Opulent Palace
27% of 457 decks
+27% synergy
Selesnya Guildgate
27% of 379 decks
+27% synergy
Sandsteppe Citadel
26% of 379 decks
+26% synergy
Drowned Catacomb
25% of 1486 decks
+25% synergy
Watery Grave
25% of 1486 decks
+25% synergy
Cinder Glade
25% of 528 decks
+25% synergy
Vault of Champions
25% of 2988 decks
+25% synergy
Foreboding Ruins
24% of 1880 decks
+24% synergy
Raffine's Tower
24% of 650 decks
+24% synergy
Woodland Cemetery
24% of 1018 decks
+24% synergy
Temple of Malice
24% of 1880 decks
+24% synergy
Simic Guildgate
24% of 457 decks
+24% synergy
Rakdos Carnarium
23% of 1880 decks
+23% synergy
Ziatora's Proving Ground
23% of 528 decks
+23% synergy
Temple of Malady
22% of 1018 decks
+22% synergy
Golgari Rot Farm
22% of 1018 decks
+22% synergy
Darkwater Catacombs
22% of 1486 decks
+22% synergy
Temple of Deceit
22% of 1486 decks
+21% synergy
Blood Crypt
22% of 1880 decks
+21% synergy
Overgrown Tomb
22% of 1018 decks
+21% synergy
Dimir Aqueduct
21% of 1486 decks
+21% synergy
Llanowar Wastes
21% of 1018 decks
+21% synergy
Evolving Wilds
21% of 6411 decks
+21% synergy
Choked Estuary
21% of 1486 decks
+21% synergy
Clifftop Retreat
21% of 649 decks
+20% synergy
Hallowed Fountain
21% of 650 decks
+20% synergy
Jungle Shrine
20% of 308 decks
+20% synergy
Seaside Citadel
20% of 317 decks
+20% synergy
Luxury Suite
20% of 1880 decks
+20% synergy
Morphic Pool
20% of 1486 decks
+20% synergy
Savai Triome
20% of 649 decks
+20% synergy