Renounce the Guilds (Card)
Renounce the Guilds
In 508 decks
0% of 1770726 decks
Top Commanders (3)
Kytheon, Hero of Akros
7.60% of 605 decks
46 decks
Light-Paws, Emperor's Voice
0.29% of 8140 decks
24 decks
Giada, Font of Hope
0.26% of 15256 decks
39 decks
New Cards (5)
Wojek Investigator
15% of 34 decks
+13% synergy
Novice Inspector
12% of 34 decks
+11% synergy
Doorkeeper Thrull
11% of 37 decks
+10% synergy
Aurelia's Vindicator
9% of 34 decks
+8% synergy
Tenth District Hero
9% of 35 decks
+8% synergy
Top Cards (10)
Swords to Plowshares
52% of 504 decks
+23% synergy
Path to Exile
38% of 504 decks
+19% synergy
Cultivate
36% of 53 decks
+13% synergy
Swiftfoot Boots
26% of 504 decks
-2% synergy
Knight of the White Orchid
26% of 504 decks
+23% synergy
Ravnica at War
25% of 484 decks
+25% synergy
Boros Charm
25% of 65 decks
+19% synergy
Sun Titan
24% of 504 decks
+18% synergy
Mind Stone
24% of 504 decks
+6% synergy
Negate
24% of 67 decks
+12% synergy
Creatures (50)
Nivix Guildmage
24% of 21 decks
+24% synergy
Sphinx of the Guildpact
24% of 17 decks
+24% synergy
Esper Sentinel
22% of 446 decks
+12% synergy
Izzet Guildmage
19% of 21 decks
+19% synergy
League Guildmage
19% of 21 decks
+19% synergy
Sakura-Tribe Elder
19% of 53 decks
+9% synergy
Nine-Fingers Keene
19% of 16 decks
+18% synergy
Gold-Forged Thopteryx
19% of 16 decks
+18% synergy
Golgari Guildmage
19% of 27 decks
+18% synergy
Korozda Guildmage
19% of 27 decks
+18% synergy
Combine Guildmage
18% of 22 decks
+18% synergy
Mentor of the Meek
18% of 504 decks
+15% synergy
Skarrg Guildmage
17% of 29 decks
+17% synergy
Shadow Guildmage
17% of 18 decks
+17% synergy
Keeper of the Accord
17% of 456 decks
+15% synergy
Simic Guildmage
16% of 25 decks
+16% synergy
Zameck Guildmage
16% of 25 decks
+16% synergy
Armorer Guildmage
16% of 19 decks
+16% synergy
Emeria Shepherd
15% of 497 decks
+14% synergy
Solemn Simulacrum
15% of 504 decks
+1% synergy
Swarm Guildmage
15% of 26 decks
+15% synergy
Avacyn's Pilgrim
15% of 53 decks
+12% synergy
Clan Guildmage
14% of 28 decks
+14% synergy
Gruul Guildmage
14% of 29 decks
+14% synergy
Defiler of Faith
13% of 304 decks
+13% synergy
Loran of the Third Path
13% of 269 decks
+10% synergy
Cult Guildmage
13% of 30 decks
+13% synergy
Weathered Wayfarer
13% of 504 decks
+12% synergy
Duskmantle Guildmage
13% of 39 decks
+12% synergy
Soul Warden
13% of 504 decks
+10% synergy
Blood Artist
13% of 79 decks
+6% synergy
Rix Maadi Guildmage
12% of 32 decks
+12% synergy
Rakdos Guildmage
12% of 32 decks
+12% synergy
Master of Cruelties
12% of 32 decks
+12% synergy
Queza, Augur of Agonies
12% of 33 decks
+12% synergy
Civic Guildmage
12% of 25 decks
+12% synergy
Burnished Hart
12% of 503 decks
+7% synergy
Daxos, Blessed by the Sun
12% of 478 decks
+11% synergy
Vitu-Ghazi Guildmage
11% of 53 decks
+11% synergy
Champion of Lambholt
11% of 53 decks
+8% synergy
Birds of Paradise
11% of 53 decks
-1% synergy
Loyal Warhound
11% of 434 decks
+10% synergy
Inspiring Overseer
11% of 392 decks
+10% synergy
Topiary Stomper
11% of 37 decks
+9% synergy
House Guildmage
11% of 38 decks
+11% synergy
Sunblast Angel
11% of 504 decks
+10% synergy
Elesh Norn, Grand Cenobite
11% of 504 decks
+8% synergy
Mother of Runes
11% of 504 decks
+7% synergy
Thalia, Heretic Cathar
10% of 496 decks
+9% synergy
Firemane Commando
10% of 192 decks
+9% synergy
Instants (50)
Counterspell
24% of 67 decks
+3% synergy
Crackling Doom
22% of 32 decks
+21% synergy
Wear // Tear
22% of 65 decks
+20% synergy
Generous Gift
21% of 481 decks
+9% synergy
Stroke of Midnight
20% of 97 decks
+12% synergy
Izzet Charm
19% of 21 decks
+18% synergy
Beast Within
19% of 53 decks
-0% synergy
Mortify
18% of 79 decks
+15% synergy
Get Lost
16% of 67 decks
+14% synergy
Despark
16% of 75 decks
+12% synergy
Rakdos Charm
16% of 32 decks
+12% synergy
Terminate
16% of 32 decks
+11% synergy
Abzan Charm
15% of 26 decks
+15% synergy
Obscura Charm
15% of 33 decks
+15% synergy
Teferi's Protection
15% of 491 decks
+6% synergy
Putrefy
15% of 27 decks
+11% synergy
Return to Dust
14% of 504 decks
+12% synergy
Disenchant
14% of 504 decks
+12% synergy
Growth Spiral
14% of 22 decks
+9% synergy
Render Silent
13% of 67 decks
+13% synergy
Harrow
13% of 53 decks
+8% synergy
Unbreakable Formation
13% of 486 decks
+10% synergy
Galadriel's Dismissal
13% of 55 decks
+10% synergy
Simic Charm
12% of 25 decks
+11% synergy
Deathsprout
12% of 25 decks
+11% synergy
Fracture
12% of 67 decks
+10% synergy
Opt
12% of 67 decks
+7% synergy
Brainstorm
12% of 67 decks
+0% synergy
Valakut Awakening
12% of 59 decks
+8% synergy
Reprieve
12% of 195 decks
+10% synergy
Soul Shatter
12% of 68 decks
+10% synergy
Selesnya Charm
11% of 53 decks
+11% synergy
Brave the Elements
11% of 504 decks
+11% synergy
Golgari Charm
11% of 27 decks
+10% synergy
Akroma's Will
11% of 456 decks
+7% synergy
Enlightened Tutor
11% of 504 decks
+3% synergy
Martial Glory
11% of 65 decks
+11% synergy
Warleader's Helix
11% of 65 decks
+11% synergy
Aurelia's Fury
11% of 65 decks
+10% synergy
Spell Pierce
10% of 67 decks
+8% synergy
Dawn Charm
10% of 504 decks
+9% synergy
Sejiri Shelter
10% of 458 decks
+8% synergy
Village Rites
10% of 69 decks
+5% synergy
Dark Ritual
10% of 79 decks
-1% synergy
Gideon's Sacrifice
10% of 484 decks
+10% synergy
Fateful Absence
10% of 430 decks
+9% synergy
Mana Tithe
10% of 504 decks
+9% synergy
Sundering Growth
9% of 53 decks
+8% synergy
Heliod's Intervention
9% of 468 decks
+7% synergy
Deflecting Palm
9% of 64 decks
+8% synergy
Sorceries (50)
Explore the Underdark
22% of 32 decks
+21% synergy
Farseek
21% of 53 decks
+5% synergy
Duneblast
19% of 26 decks
+19% synergy
Farewell
18% of 410 decks
+11% synergy
Austere Command
17% of 504 decks
+11% synergy
Kodama's Reach
17% of 53 decks
+1% synergy
Wrath of God
17% of 504 decks
+13% synergy
Circuitous Route
16% of 49 decks
+15% synergy
Rampant Growth
15% of 53 decks
-1% synergy
Supreme Verdict
15% of 67 decks
+12% synergy
Gaze of Granite
15% of 27 decks
+14% synergy
Mythos of Snapdax
13% of 30 decks
+13% synergy
Tempt with Discovery
13% of 53 decks
+11% synergy
Mass Calcify
13% of 504 decks
+12% synergy
Whispering Madness
13% of 39 decks
+12% synergy
Urban Evolution
12% of 25 decks
+11% synergy
Lay Down Arms
12% of 279 decks
+12% synergy
Tragic Arrogance
12% of 498 decks
+11% synergy
Cut a Deal
12% of 339 decks
+10% synergy
Sylvan Scrying
11% of 53 decks
+10% synergy
Jeska's Will
10% of 58 decks
+2% synergy
Secret Rendezvous
10% of 450 decks
+9% synergy
Merciless Eviction
10% of 79 decks
+9% synergy
Solar Blaze
10% of 61 decks
+10% synergy
Martial Coup
10% of 504 decks
+8% synergy
Collective Effort
10% of 496 decks
+9% synergy
Open the Armory
10% of 496 decks
+7% synergy
Response // Resurgence
10% of 63 decks
+9% synergy
Nature's Lore
9% of 53 decks
-5% synergy
Treasure Cruise
9% of 67 decks
+6% synergy
Ponder
9% of 67 decks
+2% synergy
Debt to the Deathless
9% of 79 decks
+8% synergy
Sign in Blood
9% of 79 decks
+4% synergy
Rip Apart
9% of 57 decks
+8% synergy
Vanquish the Horde
9% of 432 decks
+6% synergy
Open the Gates
9% of 47 decks
+8% synergy
Shatterskull Smashing
8% of 59 decks
+7% synergy
Pir's Whim
8% of 49 decks
+8% synergy
Sevinne's Reclamation
8% of 480 decks
+5% synergy
Gift of Estates
8% of 504 decks
+7% synergy
Consecrate // Consume
8% of 76 decks
+8% synergy
Awe for the Guilds
8% of 65 decks
+8% synergy
Wheel of Fortune
8% of 65 decks
+5% synergy
Vandalblast
8% of 65 decks
-1% synergy
Faithless Looting
8% of 65 decks
-1% synergy
Journey of Discovery
8% of 53 decks
+7% synergy
Harmonize
8% of 53 decks
+3% synergy
Devastation Tide
7% of 67 decks
+7% synergy
Ondu Inversion
7% of 457 decks
+6% synergy
Emeria's Call
7% of 458 decks
+6% synergy
Utility Artifacts (28)
Oketra's Monument
17% of 494 decks
+15% synergy
Pearl Medallion
16% of 504 decks
+14% synergy
Lightning Greaves
15% of 504 decks
-10% synergy
Archaeomancer's Map
13% of 450 decks
+11% synergy
Sunforger
12% of 65 decks
+11% synergy
Wayfarer's Bauble
12% of 504 decks
+1% synergy
Blackblade Reforged
12% of 490 decks
+7% synergy
Spear of Heliod
12% of 503 decks
+11% synergy
Skullclamp
11% of 504 decks
-2% synergy
Thousand Moons Smithy
10% of 61 decks
+7% synergy
Sword of the Animist
10% of 498 decks
+5% synergy
Endless Atlas
9% of 489 decks
+8% synergy
Horn of Gondor
8% of 145 decks
+7% synergy
Halo Fountain
8% of 390 decks
+7% synergy
Mnemonic Sphere
8% of 53 decks
+7% synergy
Unstable Glyphbridge
7% of 68 decks
+7% synergy
Andúril, Narsil Reforged
7% of 55 decks
+5% synergy
The Book of Exalted Deeds
7% of 436 decks
+6% synergy
Well of Lost Dreams
7% of 504 decks
+5% synergy
Expedition Map
7% of 504 decks
+3% synergy
Goggles of Night
7% of 46 decks
+6% synergy
Robe of the Archmagi
7% of 46 decks
+6% synergy
Loxodon Warhammer
6% of 504 decks
+4% synergy
Hammer of Purphoros
6% of 64 decks
+5% synergy
Neurok Stealthsuit
6% of 67 decks
+6% synergy
Cosmos Elixir
6% of 451 decks
+5% synergy
Moonsilver Spear
5% of 504 decks
+5% synergy
Mask of Memory
5% of 504 decks
+3% synergy
Enchantments (50)
Smothering Tithe
20% of 486 decks
+8% synergy
Trouble in Pairs
18% of 34 decks
+12% synergy
Land Tax
16% of 504 decks
+13% synergy
Assemble the Legion
15% of 65 decks
+14% synergy
Ghostly Prison
15% of 504 decks
+10% synergy
True Conviction
15% of 504 decks
+14% synergy
Guild Summit
13% of 63 decks
+12% synergy
Flowering of the White Tree
12% of 144 decks
+9% synergy
Legion's Initiative
12% of 65 decks
+12% synergy
Rhystic Study
12% of 67 decks
-2% synergy
Tocasia's Welcome
12% of 269 decks
+10% synergy
Darksteel Mutation
11% of 503 decks
+8% synergy
Propaganda
10% of 67 decks
+5% synergy
Cathars' Crusade
10% of 504 decks
+7% synergy
Rest in Peace
10% of 504 decks
+9% synergy
Anointed Procession
10% of 494 decks
+6% synergy
Staggering Insight
10% of 61 decks
+9% synergy
Blind Obedience
10% of 504 decks
+7% synergy
Doom Foretold
10% of 73 decks
+10% synergy
Oath of Gideon
9% of 496 decks
+9% synergy
Unquestioned Authority
9% of 504 decks
+8% synergy
Gleam of Battle
9% of 65 decks
+9% synergy
Martyr's Bond
9% of 504 decks
+9% synergy
Shielded by Faith
9% of 496 decks
+8% synergy
Teferi's Ageless Insight
9% of 57 decks
+6% synergy
Sigarda's Splendor
9% of 429 decks
+8% synergy
Exchange of Words
9% of 35 decks
+8% synergy
Ossification
9% of 223 decks
+8% synergy
Guild Artisan
9% of 47 decks
+8% synergy
Deification
8% of 155 decks
+8% synergy
Mirrormade
8% of 61 decks
+7% synergy
Honor of the Pure
8% of 504 decks
+8% synergy
Angelic Accord
8% of 503 decks
+7% synergy
Worship
8% of 504 decks
+8% synergy
All That Glitters
8% of 479 decks
+6% synergy
Assemble the Players
8% of 38 decks
+7% synergy
Felidar Retreat
8% of 457 decks
+5% synergy
Gideon's Intervention
8% of 494 decks
+8% synergy
Court of Grace
8% of 456 decks
+6% synergy
Debtors' Knell
8% of 79 decks
+7% synergy
Sanguine Bond
8% of 79 decks
+5% synergy
Animate Dead
8% of 79 decks
+3% synergy
Phyrexian Arena
8% of 79 decks
+0% synergy
Awakening Zone
8% of 53 decks
+6% synergy
Beastmaster Ascension
8% of 53 decks
+5% synergy
Doubling Season
8% of 53 decks
+4% synergy
Intangible Virtue
8% of 504 decks
+5% synergy
Diplomatic Immunity
7% of 67 decks
+7% synergy
Druid Class
7% of 41 decks
+6% synergy
Authority of the Consuls
7% of 494 decks
+5% synergy
Planeswalkers (20)
Gideon Blackblade
13% of 484 decks
+12% synergy
Gideon, Champion of Justice
12% of 504 decks
+12% synergy
Gideon, Ally of Zendikar
12% of 497 decks
+11% synergy
Kaya, Intangible Slayer
11% of 35 decks
+11% synergy
Gideon of the Trials
11% of 494 decks
+11% synergy
Gideon Jura
11% of 504 decks
+11% synergy
Elspeth, Sun's Champion
11% of 503 decks
+9% synergy
Gideon, Martial Paragon
10% of 494 decks
+9% synergy
Teferi, Temporal Pilgrim
9% of 33 decks
+8% synergy
Gideon, the Oathsworn
9% of 484 decks
+9% synergy
The Eternal Wanderer
9% of 226 decks
+7% synergy
Narset, Parter of Veils
8% of 61 decks
+5% synergy
Archangel Elspeth
8% of 188 decks
+7% synergy
Elspeth, Knight-Errant
7% of 504 decks
+7% synergy
Elspeth Resplendent
7% of 390 decks
+6% synergy
Sorin, Vengeful Bloodlord
7% of 75 decks
+6% synergy
Teferi, Time Raveler
7% of 61 decks
+5% synergy
Liliana, Dreadhorde General
5% of 75 decks
+3% synergy
Teferi, Master of Time
5% of 58 decks
+4% synergy
Sorin, Solemn Visitor
5% of 78 decks
+5% synergy
Utility Lands (46)
Minas Tirith
25% of 132 decks
+20% synergy
Emeria, the Sky Ruin
24% of 504 decks
+22% synergy
Secluded Steppe
21% of 504 decks
+19% synergy
War Room
20% of 456 decks
+14% synergy
Windbrisk Heights
18% of 504 decks
+16% synergy
Restless Fortress
18% of 17 decks
+17% synergy
Temple of the False God
17% of 504 decks
+7% synergy
Rogue's Passage
17% of 504 decks
-2% synergy
Nykthos, Shrine to Nyx
17% of 503 decks
+11% synergy
Bojuka Bog
15% of 79 decks
-1% synergy
Castle Ardenvale
14% of 479 decks
+12% synergy
The Black Gate
12% of 24 decks
+10% synergy
The Fair Basilica
12% of 208 decks
+11% synergy
Eiganjo, Seat of the Empire
12% of 411 decks
+7% synergy
Reliquary Tower
12% of 504 decks
-16% synergy
Slayers' Stronghold
11% of 65 decks
+9% synergy
Idyllic Grange
10% of 479 decks
+10% synergy
Mistveil Plains
10% of 504 decks
+9% synergy
Field of Ruin
10% of 491 decks
+7% synergy
Otawara, Soaring City
9% of 53 decks
+1% synergy
Seraph Sanctuary
9% of 504 decks
+9% synergy
Drifting Meadow
9% of 504 decks
+9% synergy
Hidden Courtyard
9% of 70 decks
+8% synergy
Karoo
8% of 504 decks
+8% synergy
New Benalia
8% of 504 decks
+7% synergy
Ghost Quarter
8% of 504 decks
+5% synergy
Desert of the True
8% of 492 decks
+7% synergy
Boseiju, Who Endures
8% of 39 decks
-2% synergy
Grove of the Guardian
8% of 53 decks
+7% synergy
Gavony Township
8% of 53 decks
+5% synergy
Sokenzan, Crucible of Defiance
8% of 53 decks
+5% synergy
Mosswort Bridge
8% of 53 decks
+3% synergy
Hall of Heliod's Generosity
7% of 481 decks
+4% synergy
Axgard Armory
7% of 58 decks
+6% synergy
Scavenger Grounds
7% of 492 decks
+3% synergy
Takenuma, Abandoned Mire
6% of 63 decks
+0% synergy
Ancient Tomb
6% of 504 decks
-5% synergy
Urza's Saga
6% of 439 decks
-1% synergy
Celestial Colonnade
6% of 67 decks
+6% synergy
Seat of the Synod
6% of 67 decks
+3% synergy
Buried Ruin
6% of 504 decks
+0% synergy
Cave of the Frost Dragon
6% of 438 decks
+5% synergy
Guildless Commons
5% of 456 decks
+4% synergy
Lotus Field
5% of 480 decks
+4% synergy
Westvale Abbey
5% of 78 decks
+4% synergy
Phyrexian Tower
5% of 79 decks
+1% synergy
Mana Artifacts (38)
Sol Ring
64% of 504 decks
-20% synergy
Orzhov Signet
38% of 79 decks
+31% synergy
Arcane Signet
37% of 479 decks
-34% synergy
Rakdos Signet
31% of 32 decks
+24% synergy
Boros Signet
28% of 65 decks
+22% synergy
Azorius Signet
27% of 67 decks
+21% synergy
Talisman of Hierarchy
21% of 73 decks
+15% synergy
Throne of Eldraine
19% of 86 decks
+15% synergy
Marble Diamond
18% of 504 decks
+16% synergy
Commander's Sphere
18% of 502 decks
+1% synergy
Dimir Signet
18% of 39 decks
+10% synergy
Selesnya Signet
15% of 53 decks
+13% synergy
Talisman of Indulgence
12% of 32 decks
+7% synergy
Talisman of Conviction
11% of 61 decks
+7% synergy
Golgari Signet
11% of 27 decks
+8% synergy
Talisman of Dominance
10% of 39 decks
+3% synergy
Nyx Lotus
10% of 477 decks
+8% synergy
Boros Cluestone
9% of 65 decks
+9% synergy
Sky Diamond
9% of 67 decks
+6% synergy
Fellwar Stone
9% of 504 decks
-12% synergy
Caged Sun
9% of 504 decks
+6% synergy
Heraldic Banner
9% of 480 decks
+7% synergy
Gatewatch Beacon
8% of 106 decks
+8% synergy
Obelisk of Esper
8% of 39 decks
+8% synergy
Selesnya Cluestone
8% of 53 decks
+7% synergy
Talisman of Unity
8% of 53 decks
+6% synergy
Talisman of Progress
7% of 67 decks
+3% synergy
Thought Vessel
7% of 496 decks
-9% synergy
Hedron Archive
7% of 497 decks
+4% synergy
Azorius Locket
6% of 62 decks
+6% synergy
Boros Locket
6% of 63 decks
+6% synergy
Orzhov Cluestone
6% of 79 decks
+6% synergy
Selesnya Locket
6% of 49 decks
+6% synergy
Azorius Cluestone
6% of 67 decks
+6% synergy
Glittering Stockpile
6% of 52 decks
+5% synergy
Selesnya Keyrune
6% of 53 decks
+6% synergy
Moonsnare Prototype
6% of 53 decks
+5% synergy
Gilded Lotus
6% of 504 decks
+2% synergy
Lands (50)
Izzet Guildgate
52% of 21 decks
+51% synergy
Simic Guildgate
52% of 25 decks
+50% synergy
Golgari Guildgate
52% of 27 decks
+50% synergy
Gruul Guildgate
45% of 29 decks
+44% synergy
Boros Guildgate
43% of 65 decks
+42% synergy
Rakdos Guildgate
41% of 32 decks
+39% synergy
Dimir Guildgate
38% of 39 decks
+37% synergy
Selesnya Guildgate
38% of 53 decks
+37% synergy
Manor Gate
31% of 32 decks
+30% synergy
Raffine's Tower
30% of 33 decks
+26% synergy
Orzhov Guildgate
29% of 79 decks
+28% synergy
Hallowed Fountain
28% of 67 decks
+19% synergy
Azorius Guildgate
28% of 67 decks
+27% synergy
Temple Garden
28% of 53 decks
+19% synergy
Sandsteppe Citadel
27% of 26 decks
+24% synergy
Myriad Landscape
26% of 502 decks
+5% synergy
Nomad Outpost
25% of 32 decks
+22% synergy
Canopy Vista
25% of 52 decks
+17% synergy
Boros Garrison
25% of 65 decks
+21% synergy
Cinder Glade
24% of 29 decks
+16% synergy
Godless Shrine
24% of 79 decks
+14% synergy
Temple of Triumph
23% of 64 decks
+20% synergy
Sacred Foundry
23% of 65 decks
+15% synergy
Prairie Stream
22% of 67 decks
+15% synergy
Cliffgate
22% of 45 decks
+21% synergy
Spara's Headquarters
22% of 18 decks
+18% synergy
Temple of Silence
22% of 79 decks
+17% synergy
Savai Triome
21% of 29 decks
+17% synergy
Jungle Shrine
21% of 29 decks
+17% synergy
Orzhov Basilica
20% of 79 decks
+17% synergy
Sea Gate
20% of 45 decks
+19% synergy
Seaside Citadel
20% of 25 decks
+17% synergy
Command Tower
20% of 504 decks
-53% synergy
Azorius Chancery
19% of 67 decks
+16% synergy
Skybridge Towers
19% of 53 decks
+18% synergy
Golgari Rot Farm
19% of 27 decks
+15% synergy
Irrigated Farmland
18% of 65 decks
+17% synergy
Rugged Prairie
18% of 65 decks
+16% synergy
Clifftop Retreat
18% of 65 decks
+13% synergy
Black Dragon Gate
18% of 55 decks
+17% synergy
Sunken Hollow
18% of 39 decks
+9% synergy
Temple of Enlightenment
18% of 67 decks
+14% synergy
Caves of Koilos
18% of 79 decks
+12% synergy
Blossoming Sands
17% of 52 decks
+16% synergy
Selesnya Sanctuary
17% of 53 decks
+14% synergy
Tranquil Cove
16% of 67 decks
+15% synergy
Wind-Scarred Crag
16% of 64 decks
+14% synergy
Blood Crypt
16% of 32 decks
+6% synergy
Battlefield Forge
15% of 65 decks
+10% synergy
Watery Grave
15% of 39 decks
+5% synergy