Sarcomancy (Card)
Sarcomancy
In 358 decks
0% of 2442181 decks
Braids, Arisen Nightmare
2.94% of 7044 decks
207 decks
Baba Lysaga, Night Witch
0.78% of 5494 decks
43 decks
New Cards
Overlord of the Balemurk
43% of 7 decks
+30% synergy
Withering Torment
38% of 16 decks
+14% synergy
Glimmerlight
19% of 16 decks
+18% synergy
Meathook Massacre II
13% of 23 decks
+8% synergy
Funeral Room // Awakening Hall
13% of 23 decks
+7% synergy
High Synergy Cards
Rancor
72% of 58 decks
+67% synergy
Tree of Tales
69% of 58 decks
+67% synergy
Sanctum Weaver
68% of 57 decks
+63% synergy
Instill Energy
62% of 58 decks
+61% synergy
Dryad Arbor
64% of 58 decks
+60% synergy
Wild Growth
69% of 58 decks
+58% synergy
Khalni Garden
55% of 58 decks
+54% synergy
Sythis, Harvest's Hand
60% of 10 decks
+52% synergy
Squirrel Sanctuary
53% of 57 decks
+52% synergy
Gloomshrieker
54% of 56 decks
+52% synergy
Top Cards
Exploration
59% of 58 decks
+50% synergy
Utopia Sprawl
57% of 58 decks
+49% synergy
Tireless Provisioner
56% of 57 decks
+45% synergy
Titania, Protector of Argoth
55% of 58 decks
+52% synergy
Tyvar, Jubilant Brawler
54% of 48 decks
+49% synergy
Dryad of the Ilysian Grove
53% of 58 decks
+46% synergy
Dark Ritual
53% of 357 decks
+31% synergy
Conduit of Worlds
52% of 48 decks
+45% synergy
Ramunap Excavator
52% of 58 decks
+45% synergy
Assassin's Trophy
52% of 58 decks
+22% synergy
Creatures
World Shaper
50% of 58 decks
+47% synergy
Ashaya, Soul of the Wild
50% of 58 decks
+47% synergy
Haywire Mite
47% of 55 decks
+43% synergy
Gray Merchant of Asphodel
44% of 350 decks
+35% synergy
Diregraf Captain
43% of 42 decks
+39% synergy
Poison-Tip Archer
41% of 58 decks
+36% synergy
Jadar, Ghoulcaller of Nephalia
41% of 346 decks
+38% synergy
Gilded Goose
38% of 58 decks
+34% synergy
Solemn Simulacrum
35% of 354 decks
+21% synergy
Mazirek, Kraul Death Priest
34% of 58 decks
+31% synergy
The Gitrog Monster
34% of 58 decks
+29% synergy
Azusa, Lost but Seeking
33% of 58 decks
+25% synergy
Crypt Ghast
32% of 350 decks
+27% synergy
Mesa Enchantress
31% of 36 decks
+26% synergy
Gixian Puppeteer
30% of 297 decks
+29% synergy
Ophiomancer
30% of 350 decks
+27% synergy
Geralf, the Fleshwright
29% of 17 decks
+28% synergy
Bladestitched Skaab
28% of 39 decks
+27% synergy
Blossoming Bogbeast
28% of 57 decks
+27% synergy
Starfield Mystic
28% of 36 decks
+25% synergy
Zulaport Cutthroat
27% of 349 decks
+17% synergy
Sheoldred, the Apocalypse
26% of 321 decks
+20% synergy
Shambling Ghast
25% of 346 decks
+24% synergy
Geralf, Visionary Stitcher
25% of 40 decks
+24% synergy
Marionette Apprentice
25% of 85 decks
+17% synergy
Bloodghast
24% of 351 decks
+22% synergy
Blood Artist
24% of 350 decks
+12% synergy
Reassembling Skeleton
24% of 350 decks
+20% synergy
Dauthi Voidwalker
24% of 347 decks
+15% synergy
Cleaver Skaab
22% of 40 decks
+21% synergy
Viridian Emissary
22% of 58 decks
+22% synergy
Archon of Sun's Grace
22% of 36 decks
+18% synergy
Accursed Marauder
22% of 54 decks
+13% synergy
Syr Konrad, the Grim
22% of 348 decks
+13% synergy
The Scarab God
21% of 42 decks
+19% synergy
Greedy Freebooter
21% of 131 decks
+19% synergy
Spirited Companion
21% of 33 decks
+17% synergy
Ayara, First of Locthwain
21% of 348 decks
+17% synergy
Lich Lord of Unx
21% of 43 decks
+20% synergy
Pitiless Plunderer
21% of 349 decks
+13% synergy
Humble Defector
21% of 29 decks
+19% synergy
Boggart Trawler
20% of 74 decks
+15% synergy
Bazaar Trader
20% of 30 decks
+20% synergy
Erinis, Gloom Stalker
20% of 56 decks
+19% synergy
Gisa and Geralf
19% of 42 decks
+17% synergy
Orcish Bowmasters
19% of 200 decks
+8% synergy
Delighted Halfling
19% of 37 decks
+5% synergy
Tergrid, God of Fright
19% of 347 decks
+17% synergy
Llanowar Loamspeaker
18% of 55 decks
+17% synergy
Wilhelt, the Rotcleaver
18% of 39 decks
+16% synergy
Instants
Tear Asunder
42% of 55 decks
+35% synergy
Revitalizing Repast
38% of 8 decks
+25% synergy
Chaos Warp
34% of 29 decks
+2% synergy
Malakir Rebirth
32% of 348 decks
+24% synergy
Swords to Plowshares
30% of 37 decks
-33% synergy
Crop Rotation
29% of 58 decks
+19% synergy
Counterspell
29% of 48 decks
-14% synergy
Beast Within
28% of 58 decks
-11% synergy
Legolas's Quick Reflexes
26% of 23 decks
+23% synergy
Vampiric Tutor
24% of 357 decks
+5% synergy
Infernal Grasp
22% of 346 decks
+15% synergy
Fell the Profane
21% of 85 decks
+9% synergy
Defile
20% of 349 decks
+17% synergy
Not Dead After All
20% of 180 decks
+16% synergy
Deadly Rollick
20% of 348 decks
+9% synergy
Path to Exile
19% of 36 decks
-26% synergy
Deadly Dispute
19% of 346 decks
+8% synergy
Brainstorm
19% of 48 decks
-3% synergy
Tyvar's Stand
19% of 43 decks
+13% synergy
Cabal Ritual
18% of 356 decks
+13% synergy
Flare of Malice
18% of 88 decks
+15% synergy
Snuff Out
18% of 356 decks
+15% synergy
Mortality Spear
18% of 57 decks
+15% synergy
Royal Treatment
17% of 30 decks
+15% synergy
Imp's Mischief
16% of 353 decks
+14% synergy
Lazotep Plating
16% of 43 decks
+15% synergy
Enlightened Tutor
16% of 37 decks
-2% synergy
Terminate
16% of 31 decks
-5% synergy
Culling the Weak
16% of 357 decks
+12% synergy
An Offer You Can't Refuse
16% of 38 decks
-5% synergy
Arachnogenesis
16% of 58 decks
+14% synergy
Arcane Denial
15% of 48 decks
-5% synergy
Dismember
15% of 350 decks
+12% synergy
Force of Despair
14% of 349 decks
+13% synergy
Tamiyo's Safekeeping
14% of 56 decks
+8% synergy
Tragic Slip
14% of 350 decks
+10% synergy
Valakut Awakening
14% of 29 decks
+7% synergy
Thrill of Possibility
14% of 29 decks
+3% synergy
Baleful Mastery
13% of 347 decks
+10% synergy
Red Elemental Blast
12% of 33 decks
+5% synergy
Entomb
12% of 356 decks
+4% synergy
Sheoldred's Edict
11% of 236 decks
+8% synergy
Teferi's Protection
11% of 36 decks
-9% synergy
Negate
11% of 45 decks
-12% synergy
Generous Gift
11% of 36 decks
-15% synergy
Rakdos Charm
11% of 28 decks
-4% synergy
Mystical Tutor
10% of 48 decks
-5% synergy
Temur Battle Rage
10% of 29 decks
+8% synergy
Deflecting Swat
10% of 29 decks
-6% synergy
Corpse Cobble
10% of 39 decks
+10% synergy
Sorceries
Feed the Swarm
45% of 348 decks
+27% synergy
Toxic Deluge
42% of 350 decks
+24% synergy
Demonic Tutor
32% of 357 decks
+10% synergy
Splendid Reclamation
31% of 58 decks
+27% synergy
Damnation
26% of 353 decks
+18% synergy
Reanimate
26% of 357 decks
+11% synergy
Ruinous Ultimatum
25% of 12 decks
+7% synergy
Faithless Looting
24% of 29 decks
+7% synergy
Empty the Laboratory
20% of 40 decks
+19% synergy
Restore
19% of 58 decks
+19% synergy
Victimize
17% of 357 decks
+5% synergy
Awaken the Woods
16% of 55 decks
+13% synergy
Diabolic Intent
16% of 356 decks
+7% synergy
Gravedig
15% of 59 decks
+15% synergy
Idyllic Tutor
14% of 36 decks
+9% synergy
Harmless Offering
14% of 29 decks
+13% synergy
Shatterskull Smashing
14% of 29 decks
+10% synergy
Life from the Loam
14% of 58 decks
+10% synergy
Unearth
13% of 357 decks
+10% synergy
Distant Melody
13% of 45 decks
+8% synergy
Torment of Hailfire
13% of 349 decks
+8% synergy
Living Death
13% of 357 decks
+8% synergy
Exsanguinate
13% of 350 decks
+7% synergy
Beseech the Mirror
12% of 185 decks
+8% synergy
Agadeem's Awakening
12% of 348 decks
+9% synergy
Mutilate
12% of 356 decks
+10% synergy
Resurgent Belief
11% of 35 decks
+10% synergy
Bubbling Muck
11% of 357 decks
+10% synergy
Coiling Rebirth
10% of 29 decks
+7% synergy
Blasphemous Act
10% of 29 decks
-23% synergy
Reap the Seagraf
10% of 42 decks
+10% synergy
Sign in Blood
9% of 351 decks
-0% synergy
Rise from the Tides
9% of 43 decks
+9% synergy
Wheel of Fortune
9% of 33 decks
+4% synergy
Grim Tutor
9% of 356 decks
+4% synergy
Bala Ged Recovery
9% of 58 decks
-1% synergy
Rite of Oblivion
9% of 35 decks
+6% synergy
Damn
9% of 35 decks
-8% synergy
Sevinne's Reclamation
8% of 36 decks
+1% synergy
Windfall
8% of 48 decks
-5% synergy
Replenish
8% of 37 decks
+7% synergy
Night's Whisper
8% of 353 decks
-1% synergy
Come Back Wrong
8% of 40 decks
+6% synergy
Hard Evidence
7% of 41 decks
+7% synergy
Dark Salvation
7% of 349 decks
+7% synergy
Yawgmoth's Will
7% of 357 decks
+6% synergy
Buried Alive
7% of 357 decks
+1% synergy
Callous Dismissal
7% of 43 decks
+7% synergy
Traverse the Ulvenwald
7% of 58 decks
+6% synergy
Green Sun's Zenith
7% of 58 decks
+1% synergy
Utility Artifacts
Ichor Wellspring
43% of 351 decks
+42% synergy
Prized Statue
41% of 334 decks
+40% synergy
Jet Medallion
35% of 358 decks
+32% synergy
Mycosynth Wellspring
27% of 351 decks
+27% synergy
Lightning Greaves
27% of 354 decks
+2% synergy
Servo Schematic
26% of 350 decks
+26% synergy
Nimblewright Schematic
25% of 334 decks
+24% synergy
Bolas's Citadel
24% of 349 decks
+14% synergy
Skullclamp
23% of 354 decks
+11% synergy
Mephitic Draught
22% of 131 decks
+21% synergy
Ugin's Nexus
19% of 351 decks
+19% synergy
Expedition Map
19% of 352 decks
+15% synergy
Swiftfoot Boots
18% of 351 decks
-10% synergy
Wayfarer's Bauble
17% of 354 decks
+6% synergy
Tithing Blade
15% of 131 decks
+14% synergy
Blood Fountain
15% of 343 decks
+15% synergy
Crucible of Worlds
14% of 354 decks
+12% synergy
Battlemage's Bracers
14% of 28 decks
+13% synergy
Ashnod's Altar
11% of 358 decks
+3% synergy
Thousand-Year Elixir
11% of 353 decks
+9% synergy
Bontu's Monument
10% of 350 decks
+8% synergy
Phyrexian Altar
10% of 357 decks
+5% synergy
Sensei's Divining Top
9% of 354 decks
+4% synergy
Strionic Resonator
9% of 351 decks
+6% synergy
Liquimetal Coating
9% of 351 decks
+8% synergy
The One Ring
8% of 212 decks
-1% synergy
Wishclaw Talisman
8% of 348 decks
+2% synergy
Nihil Spellbomb
7% of 350 decks
+6% synergy
Smokestack
7% of 358 decks
+7% synergy
Crystal Chimes
7% of 358 decks
+7% synergy
Vat of Rebirth
7% of 218 decks
+4% synergy
Aetherflux Reservoir
7% of 350 decks
+3% synergy
Mindcrank
7% of 351 decks
+5% synergy
Mishra's Bauble
6% of 354 decks
+5% synergy
Winter Moon
6% of 88 decks
+5% synergy
Spine of Ish Sah
5% of 351 decks
+4% synergy
Enchantments
Aspect of Mongoose
48% of 58 decks
+48% synergy
Treacherous Blessing
46% of 348 decks
+45% synergy
Undergrowth Recon
45% of 11 decks
+44% synergy
Ordeal of Nylea
43% of 58 decks
+42% synergy
Hopeless Nightmare
42% of 180 decks
+41% synergy
Bitterblossom
40% of 352 decks
+36% synergy
Dreadhorde Invasion
39% of 349 decks
+37% synergy
Animate Dead
38% of 357 decks
+28% synergy
Sterling Grove
36% of 11 decks
+28% synergy
Bastion of Remembrance
34% of 348 decks
+28% synergy
Black Market Connections
33% of 333 decks
+22% synergy
Seal of Cleansing
32% of 37 decks
+31% synergy
Rooftop Storm
30% of 43 decks
+28% synergy
Hopeful Vigil
30% of 20 decks
+30% synergy
Chime of Night
29% of 357 decks
+29% synergy
Kaya's Ghostform
27% of 349 decks
+23% synergy
The Meathook Massacre
26% of 346 decks
+21% synergy
Ulvenwald Mysteries
26% of 58 decks
+25% synergy
Lignify
26% of 58 decks
+24% synergy
Starfield of Nyx
25% of 36 decks
+23% synergy
Aura of Silence
24% of 37 decks
+22% synergy
Abundant Growth
24% of 58 decks
+23% synergy
Boon of the Spirit Realm
24% of 21 decks
+22% synergy
Omen of the Dead
23% of 348 decks
+23% synergy
Bloodchief Ascension
23% of 351 decks
+20% synergy
Bitter Reunion
23% of 22 decks
+21% synergy
Legion's Landing
22% of 36 decks
+21% synergy
Spiteful Banditry
22% of 18 decks
+20% synergy
Sphere of Safety
22% of 36 decks
+17% synergy
Anointed Procession
22% of 36 decks
+13% synergy
Smothering Tithe
22% of 36 decks
-3% synergy
Land Tax
22% of 37 decks
+15% synergy
Captive Audience
21% of 28 decks
+20% synergy
Demonic Lore
21% of 347 decks
+21% synergy
Nature's Chosen
21% of 58 decks
+20% synergy
Curse of Opulence
21% of 29 decks
+17% synergy
Burgeoning
21% of 58 decks
+17% synergy
Phyrexian Reclamation
20% of 357 decks
+17% synergy
Grave Pact
20% of 357 decks
+16% synergy
Tinybones Joins Up
20% of 100 decks
+19% synergy
Necroduality
20% of 40 decks
+19% synergy
Court of Grace
20% of 35 decks
+17% synergy
Necromancy
20% of 357 decks
+17% synergy
Omen of the Sun
19% of 36 decks
+19% synergy
Necromancer's Covenant
19% of 36 decks
+19% synergy
Grasp of Fate
19% of 36 decks
+16% synergy
Phyrexian Arena
19% of 356 decks
+4% synergy
Journey to Eternity
19% of 58 decks
+16% synergy
Mystic Remora
19% of 48 decks
+1% synergy
Demonic Pact
18% of 349 decks
+18% synergy
Battles
Invasion of Ikoria
8% of 39 decks
+3% synergy
Invasion of Innistrad
5% of 207 decks
+5% synergy
Planeswalkers
Venser, the Sojourner
22% of 18 decks
+21% synergy
Liliana, Dreadhorde General
12% of 349 decks
+9% synergy
Liliana of the Veil
8% of 350 decks
+7% synergy
Lolth, Spider Queen
6% of 346 decks
+5% synergy
Tevesh Szat, Doom of Fools
5% of 347 decks
+4% synergy
Utility Lands
Shifting Woodland
50% of 8 decks
+40% synergy
Urborg, Tomb of Yawgmoth
48% of 354 decks
+38% synergy
Cabal Coffers
47% of 356 decks
+36% synergy
Bojuka Bog
45% of 351 decks
+15% synergy
Reliquary Tower
37% of 352 decks
+8% synergy
Boseiju, Who Endures
36% of 56 decks
+16% synergy
Cabal Stronghold
28% of 349 decks
+25% synergy
Takenuma, Abandoned Mire
27% of 339 decks
+16% synergy
Nykthos, Shrine to Nyx
25% of 351 decks
+20% synergy
Phyrexian Tower
25% of 357 decks
+17% synergy
Drownyard Temple
21% of 350 decks
+21% synergy
Castle Locthwain
21% of 348 decks
+15% synergy
Hall of Heliod's Generosity
19% of 36 decks
+13% synergy
Serra's Sanctum
19% of 37 decks
+18% synergy
Urza's Saga
19% of 348 decks
+11% synergy
Spymaster's Vault
15% of 85 decks
+11% synergy
Dunes of the Dead
15% of 350 decks
+14% synergy
Ancient Tomb
14% of 358 decks
+4% synergy
Vault of Whispers
14% of 353 decks
+9% synergy
Witch's Cottage
13% of 348 decks
+9% synergy
Otawara, Soaring City
13% of 39 decks
-4% synergy
Fountainport
12% of 34 decks
+7% synergy
Command Beacon
11% of 350 decks
+7% synergy
Mishra's Factory
11% of 358 decks
+10% synergy
Darksteel Citadel
11% of 354 decks
+7% synergy
War Room
11% of 348 decks
+4% synergy
Blinkmoth Nexus
10% of 354 decks
+10% synergy
Restless Cottage
10% of 30 decks
+5% synergy
Gods' Eye, Gate to the Reikai
10% of 354 decks
+10% synergy
Kher Keep
10% of 31 decks
+7% synergy
Strip Mine
9% of 358 decks
+6% synergy
Yavimaya, Cradle of Growth
9% of 348 decks
-0% synergy
Treasure Vault
9% of 347 decks
+6% synergy
Terrain Generator
8% of 357 decks
+7% synergy
Volrath's Stronghold
8% of 357 decks
+6% synergy
Mishra's Foundry
7% of 298 decks
+7% synergy
Barren Moor
7% of 356 decks
+3% synergy
Field of the Dead
6% of 350 decks
+3% synergy
Inkmoth Nexus
6% of 351 decks
+5% synergy
High Market
6% of 357 decks
+3% synergy
Dakmor Salvage
6% of 352 decks
+4% synergy
Cabal Pit
6% of 356 decks
+5% synergy
Barad-dûr
6% of 200 decks
+3% synergy
Treetop Village
5% of 58 decks
+4% synergy
Crypt of Agadeem
5% of 351 decks
+4% synergy
Lake of the Dead
5% of 357 decks
+4% synergy
Mana Artifacts
Sol Ring
79% of 358 decks
-5% synergy
Arcane Signet
56% of 349 decks
-16% synergy
Talisman of Progress
33% of 18 decks
+11% synergy
Thought Vessel
32% of 350 decks
+15% synergy
Dimir Signet
32% of 44 decks
+2% synergy
Talisman of Hierarchy
31% of 36 decks
+6% synergy
Rakdos Signet
30% of 30 decks
+0% synergy
Talisman of Dominance
30% of 44 decks
-2% synergy
Orzhov Signet
28% of 36 decks
+1% synergy
Boros Signet
25% of 12 decks
+1% synergy
Azorius Signet
22% of 18 decks
-4% synergy
Mind Stone
20% of 358 decks
+3% synergy
Fellwar Stone
17% of 358 decks
-4% synergy
Talisman of Indulgence
17% of 30 decks
-9% synergy
Liquimetal Torque
16% of 348 decks
+12% synergy
Jeweled Lotus
12% of 348 decks
+6% synergy
Mana Crypt
12% of 358 decks
+3% synergy
Patchwork Banner
12% of 34 decks
+1% synergy
Lotus Petal
11% of 358 decks
+4% synergy
Mana Vault
11% of 358 decks
+4% synergy
Chrome Mox
10% of 354 decks
+4% synergy
Charcoal Diamond
10% of 357 decks
+4% synergy
Everflowing Chalice
9% of 352 decks
+4% synergy
Patriar's Seal
8% of 334 decks
+6% synergy
Mox Amber
8% of 350 decks
+4% synergy
Decanter of Endless Water
7% of 334 decks
+3% synergy
Crowded Crypt
7% of 346 decks
+6% synergy
Throne of Eldraine
7% of 169 decks
+5% synergy
Chromatic Star
7% of 354 decks
+6% synergy
Jeweled Amulet
7% of 358 decks
+6% synergy
Sceptre of Eternal Glory
6% of 305 decks
+5% synergy
Mox Opal
6% of 351 decks
+1% synergy
Mox Diamond
5% of 358 decks
+1% synergy
Lands
Overgrown Tomb
74% of 58 decks
+31% synergy
Woodland Cemetery
66% of 58 decks
+38% synergy
Undergrowth Stadium
65% of 57 decks
+39% synergy
Sacred Foundry
58% of 12 decks
+22% synergy
Darkmoss Bridge
58% of 57 decks
+54% synergy
Godless Shrine
56% of 36 decks
+15% synergy
Temple Garden
55% of 11 decks
+14% synergy
Llanowar Wastes
53% of 58 decks
+28% synergy
Raffine's Tower
53% of 17 decks
+25% synergy
Twilight Mire
52% of 58 decks
+42% synergy
Blood Crypt
50% of 30 decks
+11% synergy
Deathcap Glade
44% of 57 decks
+30% synergy
Contaminated Landscape
43% of 7 decks
+29% synergy
Savai Triome
42% of 12 decks
+14% synergy
Nomad Outpost
42% of 12 decks
+14% synergy
Clifftop Retreat
42% of 12 decks
+14% synergy
Caves of Koilos
41% of 37 decks
+13% synergy
Isolated Chapel
39% of 36 decks
+12% synergy
Shadowy Backstreet
38% of 13 decks
+25% synergy
Underground Mortuary
38% of 13 decks
+22% synergy
Dragonskull Summit
38% of 29 decks
+7% synergy
Adarkar Wastes
37% of 19 decks
+20% synergy
Brushland
36% of 11 decks
+21% synergy
Bountiful Promenade
36% of 11 decks
+12% synergy
Spectator Seating
36% of 11 decks
+11% synergy
Sandsteppe Citadel
36% of 11 decks
+11% synergy
Indatha Triome
36% of 11 decks
+5% synergy
Tainted Isle
35% of 46 decks
+24% synergy
Watery Grave
34% of 44 decks
-7% synergy
Meticulous Archive
33% of 9 decks
+23% synergy
Arcane Sanctum
33% of 18 decks
+6% synergy
Sunken Hollow
33% of 42 decks
-1% synergy
Hallowed Fountain
33% of 18 decks
-8% synergy
Luxury Suite
32% of 28 decks
+6% synergy
Vault of Champions
31% of 35 decks
+6% synergy
Raucous Theater
30% of 10 decks
+17% synergy
Sundown Pass
30% of 10 decks
+15% synergy
Overgrown Farmland
30% of 10 decks
+14% synergy
Underground River
30% of 47 decks
+10% synergy
Tainted Peak
29% of 31 decks
+19% synergy
Choked Estuary
29% of 42 decks
+12% synergy
Drowned Catacomb
28% of 43 decks
+3% synergy
Sea of Clouds
28% of 18 decks
+2% synergy
Command Tower
27% of 351 decks
-47% synergy
Murmuring Bosk
27% of 11 decks
+20% synergy
Savannah
27% of 11 decks
+14% synergy
Sunpetal Grove
27% of 11 decks
+4% synergy
Crumbling Necropolis
27% of 11 decks
-4% synergy
Haunted Ridge
27% of 26 decks
+11% synergy
Rakdos Carnarium
27% of 30 decks
+12% synergy