Stroke of Genius (Card)

Stroke of Genius
In 30483 decks 1.01% of 3009564 decks
Jesse Barker Plotkin
Singleton Shmingleton - Fireball
Let's see how strong an EDH deck can be when it's built around variations of on of the oldest Magic cards, Fireball.
Jeff Dunn
Legends Legends - Rasputin Dreamweaver
His abilities are confusing, he's incredibly fragile, and he makes dream counters. Who else but Rasputin Dreamweaver?
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Mizzix of the Izmagnus
43.96% of 5218 decks 2294 decks
Will, Scion of Peace
41.90% of 5348 decks 2241 decks
Zaxara, the Exemplary
14.82% of 14334 decks 2125 decks
Vadrik, Astral Archmage
44.26% of 3283 decks 1453 decks
Magnus the Red
30.80% of 4461 decks 1374 decks
Eluge, the Shoreless Sea
15.32% of 7277 decks 1115 decks
Kruphix, God of Horizons
28.31% of 3564 decks 1009 decks
Magus Lucea Kane
8.04% of 12057 decks 969 decks
Heliod, the Radiant Dawn
19.23% of 4857 decks 934 decks
Kinnan, Bonder Prodigy
4.80% of 14426 decks 692 decks
Gimbal, Gremlin Prodigy
15.41% of 3004 decks 463 decks
Urza, Lord High Artificer
2.63% of 14932 decks 393 decks
Arixmethes, Slumbering Isle
9.32% of 4204 decks 392 decks
Rashmi and Ragavan
7.77% of 5031 decks 391 decks
Nekusar, the Mindrazer
1.59% of 22307 decks 354 decks
Niv-Mizzet, Parun
1.99% of 15862 decks 315 decks
The Watcher in the Water
10.44% of 2873 decks 300 decks
Ovika, Enigma Goliath
4.07% of 6831 decks 278 decks
Baral, Chief of Compliance
5.61% of 4226 decks 237 decks
Xyris, the Writhing Storm
1.59% of 14302 decks 228 decks
New Cards
Mistrise Village
7% of 5939 decks -1% synergy
Call the Spirit Dragons
6% of 177 decks -5% synergy
Insomnia, Crown City
5% of 78 decks +4% synergy
Windurst, Federation Center
5% of 81 decks +4% synergy
The Wind Crystal
5% of 368 decks +3% synergy
High Synergy Cards
Villainous Wealth
55% of 4019 decks +48% synergy
Pull from Tomorrow
45% of 30484 decks +42% synergy
Sphinx's Revelation
40% of 7290 decks +38% synergy
Blue Sun's Zenith
37% of 30484 decks +35% synergy
Comet Storm
35% of 13129 decks +33% synergy
Finale of Revelation
33% of 30484 decks +31% synergy
Hydroid Krasis
34% of 10992 decks +29% synergy
Storm-Kiln Artist
38% of 13129 decks +29% synergy
Past in Flames
30% of 13129 decks +28% synergy
Approach of the Second Sun
31% of 7290 decks +28% synergy
Top Cards
Swords to Plowshares
62% of 7290 decks -0% synergy
Counterspell
48% of 30484 decks +6% synergy
Cultivate
46% of 10992 decks +1% synergy
Rampant Growth
42% of 10992 decks +8% synergy
Path to Exile
41% of 7290 decks -6% synergy
Farseek
39% of 10992 decks +4% synergy
Beast Within
38% of 10992 decks +1% synergy
Chaos Warp
37% of 13129 decks +6% synergy
Kodama's Reach
33% of 10992 decks +3% synergy
Frantic Search
31% of 30484 decks +18% synergy
Game Changers
Cyclonic Rift
26% of 30484 decks +1% synergy
Smothering Tithe
25% of 7290 decks +2% synergy
Jeska's Will
21% of 13129 decks +5% synergy
Seedborn Muse
21% of 10992 decks +13% synergy
Mystical Tutor
20% of 30484 decks +6% synergy
Consecrated Sphinx
8% of 30484 decks +3% synergy
Notion Thief
6% of 6306 decks -0% synergy
Underworld Breach
6% of 13129 decks +1% synergy
Grand Arbiter Augustin IV
5% of 7290 decks +2% synergy
Narset, Parter of Veils
5% of 30484 decks +1% synergy
Creatures
Corpsejack Menace
28% of 4019 decks +23% synergy
Goblin Electromancer
26% of 13129 decks +17% synergy
Birds of Paradise
25% of 10992 decks -2% synergy
Drogskol Reaver
25% of 7290 decks +23% synergy
Guttersnipe
22% of 13129 decks +16% synergy
Llanowar Elves
21% of 10992 decks +1% synergy
Young Pyromancer
19% of 13129 decks +15% synergy
Archmage Emeritus
19% of 30484 decks +11% synergy
Kwain, Itinerant Meddler
18% of 7290 decks +16% synergy
Soul Warden
18% of 7290 decks +13% synergy
Elvish Mystic
18% of 10992 decks +1% synergy
Rhox Faithmender
17% of 7290 decks +15% synergy
Third Path Iconoclast
17% of 13129 decks +11% synergy
Faeburrow Elder
17% of 1796 decks +6% synergy
Sakura-Tribe Elder
17% of 10992 decks -1% synergy
Shabraz, the Skyshark
17% of 7290 decks +15% synergy
Gold-Forged Thopteryx
17% of 7290 decks +13% synergy
Steelbane Hydra
17% of 10992 decks +15% synergy
Nexos
16% of 10992 decks +16% synergy
Kiora's Follower
16% of 10992 decks +11% synergy
Voracious Hydra
16% of 10992 decks +15% synergy
Mawloc
16% of 4028 decks +15% synergy
Eternal Witness
16% of 10992 decks -3% synergy
Esper Sentinel
15% of 7290 decks -4% synergy
Tatyova, Benthic Druid
15% of 10992 decks +3% synergy
The Goose Mother
15% of 10151 decks +12% synergy
Talrand, Sky Summoner
15% of 30484 decks +10% synergy
Nyxbloom Ancient
15% of 10992 decks +11% synergy
Genesis Hydra
15% of 10992 decks +13% synergy
Lifeblood Hydra
14% of 10992 decks +13% synergy
Soul's Attendant
14% of 7290 decks +11% synergy
Felidar Sovereign
14% of 7290 decks +12% synergy
Serra Ascendant
14% of 7290 decks +10% synergy
Stormcatch Mentor
14% of 7340 decks +8% synergy
Niv-Mizzet, Parun
14% of 13129 decks +6% synergy
Primordial Hydra
14% of 10992 decks +13% synergy
Hungering Hydra
14% of 10992 decks +12% synergy
Goldvein Hydra
13% of 7436 decks +11% synergy
Birgi, God of Storytelling
13% of 13129 decks +8% synergy
Nyx-Fleece Ram
13% of 7290 decks +12% synergy
Rosheen Meanderer
13% of 4028 decks +12% synergy
Fyndhorn Elves
12% of 10992 decks +1% synergy
Harmonic Prodigy
12% of 13129 decks +9% synergy
Psychosis Crawler
12% of 30484 decks +9% synergy
Tireless Provisioner
12% of 10992 decks +1% synergy
Angel of Vitality
12% of 7290 decks +10% synergy
Sporocyst
12% of 10992 decks +11% synergy
Altered Ego
11% of 10992 decks +10% synergy
Laboratory Maniac
11% of 30484 decks +7% synergy
Incubation Druid
11% of 10992 decks +7% synergy
Instants
Negate
31% of 30484 decks +9% synergy
Generous Gift
30% of 7290 decks +6% synergy
Heliod's Intervention
29% of 7290 decks +26% synergy
Growth Spiral
27% of 10992 decks +5% synergy
Brainstorm
27% of 30484 decks +7% synergy
Seething Song
26% of 13129 decks +20% synergy
Reiterate
26% of 13129 decks +25% synergy
Drown in Dreams
26% of 30484 decks +24% synergy
Arcane Denial
25% of 30484 decks +5% synergy
Big Score
23% of 13129 decks +14% synergy
Electrodominance
23% of 13129 decks +22% synergy
Assassin's Trophy
23% of 4019 decks -7% synergy
Light of Hope
22% of 7290 decks +22% synergy
Dovin's Veto
22% of 7290 decks +4% synergy
Revitalize
20% of 7290 decks +20% synergy
Storm King's Thunder
20% of 13129 decks +19% synergy
Union of the Third Path
20% of 7290 decks +19% synergy
Heroic Intervention
19% of 10992 decks -11% synergy
Rest for the Weary
19% of 7290 decks +19% synergy
An Offer You Can't Refuse
18% of 30484 decks -4% synergy
Rewind
17% of 30484 decks +14% synergy
Enlightened Tutor
16% of 7290 decks -0% synergy
Beacon of Immortality
16% of 7290 decks +15% synergy
Expansion // Explosion
16% of 13129 decks +14% synergy
Erebos's Intervention
16% of 6306 decks +15% synergy
Stroke of Midnight
16% of 6877 decks +5% synergy
Firemind's Foresight
16% of 13129 decks +15% synergy
Reality Shift
15% of 30484 decks +7% synergy
Fact or Fiction
15% of 30484 decks +9% synergy
Void Rend
15% of 1858 decks +1% synergy
Unwind
15% of 30484 decks +12% synergy
Swan Song
14% of 30484 decks -3% synergy
Mana Drain
14% of 30484 decks -1% synergy
Aetherize
14% of 30484 decks +7% synergy
Teferi's Protection
14% of 7290 decks -5% synergy
Fierce Guardianship
14% of 30484 decks -5% synergy
Anguished Unmaking
14% of 1858 decks -11% synergy
Pongify
13% of 30484 decks +2% synergy
Mystic Confluence
13% of 30484 decks +11% synergy
Opt
13% of 30484 decks +4% synergy
Terminate
13% of 2090 decks -7% synergy
Dig Through Time
13% of 30484 decks +8% synergy
Vampiric Tutor
12% of 6306 decks -5% synergy
Inspiring Call
12% of 10992 decks +4% synergy
Snap
12% of 30484 decks +4% synergy
High Tide
12% of 30484 decks +8% synergy
Putrefy
12% of 4019 decks -4% synergy
Lightning Bolt
11% of 13129 decks +1% synergy
Congregate
11% of 7290 decks +11% synergy
Repulsive Mutation
11% of 8385 decks +9% synergy
Sorceries
Exsanguinate
31% of 6306 decks +25% synergy
Nature's Lore
31% of 10992 decks -1% synergy
Blasphemous Act
30% of 13129 decks -4% synergy
Finale of Glory
28% of 7290 decks +27% synergy
Jaya's Immolating Inferno
27% of 13129 decks +25% synergy
Mana Geyser
27% of 13129 decks +20% synergy
Crackle with Power
26% of 13129 decks +24% synergy
Storm Herd
25% of 7290 decks +24% synergy
Torment of Hailfire
24% of 6306 decks +20% synergy
Mystic Retrieval
24% of 13129 decks +23% synergy
Brass's Bounty
23% of 13129 decks +21% synergy
Three Visits
23% of 10992 decks -2% synergy
Vandalblast
22% of 13129 decks +7% synergy
Animist's Awakening
22% of 10992 decks +21% synergy
Curse of the Swine
22% of 30484 decks +18% synergy
White Sun's Twilight
21% of 7290 decks +19% synergy
Mizzix's Mastery
21% of 13129 decks +17% synergy
Chaplain's Blessing
21% of 7290 decks +20% synergy
Profane Command
20% of 6306 decks +19% synergy
Windfall
20% of 30484 decks +7% synergy
Mind Spring
18% of 30484 decks +17% synergy
Faithless Looting
18% of 13129 decks +1% synergy
Demonic Tutor
16% of 6306 decks -4% synergy
Apex of Power
16% of 13129 decks +16% synergy
Ponder
16% of 30484 decks +4% synergy
Solve the Equation
16% of 30484 decks +12% synergy
Doppelgang
16% of 8385 decks +13% synergy
Preordain
16% of 30484 decks +6% synergy
Supreme Verdict
15% of 7290 decks +2% synergy
Fumigate
14% of 7290 decks +11% synergy
Haze of Rage
13% of 13129 decks +12% synergy
Explore
13% of 10992 decks +3% synergy
Toxic Deluge
13% of 6306 decks -6% synergy
Austere Command
12% of 7290 decks -0% synergy
Treasure Cruise
12% of 30484 decks +7% synergy
Farewell
12% of 7290 decks -1% synergy
Epic Experiment
12% of 13129 decks +11% synergy
Lavalanche
12% of 1175 decks +10% synergy
Open the Way
12% of 10992 decks +9% synergy
Tezzeret's Gambit
11% of 30484 decks +8% synergy
Awaken the Woods
11% of 10992 decks +8% synergy
Inspired Tinkering
11% of 13129 decks +9% synergy
Skyshroud Claim
10% of 10992 decks +2% synergy
Banefire
10% of 13129 decks +9% synergy
Martial Coup
10% of 7290 decks +7% synergy
Gaze of Granite
10% of 4019 decks +8% synergy
Grapeshot
10% of 13129 decks +6% synergy
Damnable Pact
10% of 6306 decks +8% synergy
Silver Scrutiny
10% of 30484 decks +9% synergy
Finale of Devastation
10% of 10992 decks +2% synergy
Utility Artifacts
Swiftfoot Boots
27% of 30484 decks -0% synergy
Lightning Greaves
24% of 30484 decks -1% synergy
Mind Stone
22% of 30484 decks +5% synergy
Commander's Sphere
16% of 30484 decks +2% synergy
Wayfarer's Bauble
14% of 30484 decks +5% synergy
Sapphire Medallion
11% of 30484 decks +8% synergy
Caduceus, Staff of Hermes
8% of 4121 decks +5% synergy
Combine Chrysalis
8% of 10992 decks +6% synergy
Door to Nothingness
7% of 990 decks +3% synergy
Aetherflux Reservoir
7% of 30484 decks +4% synergy
The Great Henge
7% of 10992 decks -3% synergy
Isochron Scepter
7% of 30484 decks +5% synergy
Sunbeam Spellbomb
6% of 7290 decks +6% synergy
Mindsplice Apparatus
6% of 30484 decks +5% synergy
Howling Mine
6% of 30484 decks +4% synergy
Venser's Journal
6% of 30484 decks +5% synergy
Fist of Suns
6% of 990 decks -1% synergy
Sensei's Divining Top
5% of 30484 decks +0% synergy
The One Ring
5% of 30484 decks -3% synergy
Enchantments
Unbound Flourishing
25% of 10992 decks +23% synergy
Rhystic Study
22% of 30484 decks -4% synergy
Garruk's Uprising
20% of 10992 decks +3% synergy
Wilderness Reclamation
19% of 10992 decks +15% synergy
Mystic Remora
17% of 30484 decks -0% synergy
Whirlwind of Thought
17% of 1710 decks +7% synergy
Thousand-Year Storm
16% of 13129 decks +11% synergy
Cleric Class
15% of 7290 decks +12% synergy
Ghostly Prison
14% of 7290 decks +3% synergy
Propaganda
12% of 30484 decks +0% synergy
Mirari's Wake
12% of 1796 decks -0% synergy
Temur Ascendancy
12% of 4028 decks -3% synergy
Doubling Season
12% of 10992 decks +2% synergy
Mana Reflection
12% of 10992 decks +10% synergy
Boon Reflection
11% of 7290 decks +11% synergy
Simic Ascendancy
11% of 10992 decks +5% synergy
Wild Growth
10% of 10992 decks -0% synergy
Branching Evolution
10% of 10992 decks +4% synergy
Phyrexian Arena
10% of 6306 decks -6% synergy
Spiteful Visions
10% of 2090 decks +7% synergy
Leyline of the Guildpact
10% of 722 decks -6% synergy
Rhythm of the Wild
9% of 4028 decks -14% synergy
Sorcerer Class
9% of 13129 decks +7% synergy
Maelstrom Nexus
9% of 990 decks +2% synergy
Fiery Inscription
9% of 13129 decks +6% synergy
Freed from the Real
9% of 30484 decks +7% synergy
Zendikar Resurgent
8% of 10992 decks +6% synergy
Blind Obedience
8% of 7290 decks +2% synergy
Sylvan Library
8% of 10992 decks -2% synergy
Leyline of Anticipation
8% of 30484 decks +4% synergy
March of the Canonized
8% of 5956 decks +7% synergy
Phyrexian Tyranny
8% of 2090 decks +6% synergy
Impact Tremors
8% of 13129 decks -3% synergy
Test of Endurance
7% of 7290 decks +6% synergy
Exploration
7% of 10992 decks -1% synergy
Sunspring Expedition
7% of 7290 decks +7% synergy
Land Tax
7% of 7290 decks +1% synergy
Shadow in the Warp
7% of 4028 decks +4% synergy
Hardened Scales
7% of 10992 decks -2% synergy
Utopia Sprawl
7% of 10992 decks -1% synergy
Teferi's Ageless Insight
7% of 30484 decks +2% synergy
Jeskai Ascendancy
7% of 1710 decks +1% synergy
Wizard Class
7% of 30484 decks +3% synergy
Up the Beanstalk
7% of 10059 decks +3% synergy
Authority of the Consuls
7% of 7290 decks +2% synergy
Pemmin's Aura
6% of 30484 decks +5% synergy
Retribution of the Ancients
6% of 6306 decks +6% synergy
Shark Typhoon
6% of 30484 decks +4% synergy
Curse of Opulence
6% of 13129 decks +2% synergy
Imprisoned in the Moon
6% of 30484 decks +2% synergy
Planeswalkers
Saheeli, Sublime Artificer
13% of 13129 decks +9% synergy
Kiora, Behemoth Beckoner
12% of 10992 decks +8% synergy
Ajani, Strength of the Pride
8% of 7290 decks +7% synergy
Ral, Storm Conduit
8% of 13129 decks +5% synergy
Ral, Crackling Wit
7% of 7340 decks +4% synergy
Jace, Wielder of Mysteries
7% of 30484 decks +3% synergy
Teferi, Time Raveler
7% of 7290 decks -0% synergy
Teferi, Who Slows the Sunset
6% of 7290 decks +4% synergy
Utility Lands
Reliquary Tower
50% of 30484 decks +20% synergy
Mystic Sanctuary
23% of 30484 decks +11% synergy
Bojuka Bog
19% of 6306 decks -11% synergy
Alchemist's Refuge
16% of 10992 decks +9% synergy
Kabira Crossroads
14% of 7290 decks +13% synergy
Rogue's Passage
13% of 30484 decks -8% synergy
Kessig Wolf Run
12% of 4028 decks -3% synergy
Temple of the False God
12% of 30484 decks +2% synergy
Boseiju, Who Endures
11% of 10992 decks -8% synergy
Otawara, Soaring City
11% of 30484 decks -6% synergy
Ancient Tomb
7% of 30484 decks -3% synergy
Mosswort Bridge
6% of 10992 decks -4% synergy
Castle Vantress
6% of 30484 decks +2% synergy
Eiganjo, Seat of the Empire
6% of 7290 decks -2% synergy
Lair of the Hydra
6% of 10992 decks +4% synergy
Riptide Laboratory
6% of 30484 decks +4% synergy
Cabal Coffers
6% of 6306 decks -4% synergy
Desolate Lighthouse
6% of 13129 decks +2% synergy
Lonely Sandbar
6% of 30484 decks +2% synergy
Kher Keep
5% of 13129 decks +3% synergy
Mana Artifacts
Sol Ring
84% of 30484 decks -0% synergy
Arcane Signet
74% of 30484 decks +1% synergy
Izzet Signet
55% of 13129 decks +28% synergy
Azorius Signet
48% of 7290 decks +23% synergy
Talisman of Creativity
41% of 13129 decks +12% synergy
Talisman of Progress
41% of 7290 decks +16% synergy
Thought Vessel
39% of 30484 decks +22% synergy
Simic Signet
30% of 10992 decks +17% synergy
Fellwar Stone
27% of 30484 decks +6% synergy
Dimir Signet
25% of 6306 decks -3% synergy
Gruul Signet
25% of 4028 decks +14% synergy
Talisman of Dominance
19% of 6306 decks -13% synergy
Rakdos Signet
18% of 2090 decks -10% synergy
Orzhov Signet
17% of 1858 decks -9% synergy
Talisman of Curiosity
16% of 10992 decks +3% synergy
Boros Signet
14% of 1710 decks -8% synergy
Talisman of Hierarchy
14% of 1858 decks -12% synergy
Decanter of Endless Water
13% of 30484 decks +9% synergy
Golgari Signet
13% of 4019 decks +1% synergy
Sky Diamond
13% of 30484 decks +8% synergy
Talisman of Conviction
12% of 1710 decks -12% synergy
Talisman of Indulgence
12% of 2090 decks -16% synergy
Everflowing Chalice
11% of 30484 decks +7% synergy
Fire Diamond
10% of 13129 decks +5% synergy
Thran Dynamo
10% of 30484 decks +5% synergy
Gilded Lotus
9% of 30484 decks +6% synergy
Midnight Clock
9% of 30484 decks +4% synergy
Talisman of Resilience
9% of 4019 decks -4% synergy
Marble Diamond
8% of 7290 decks +5% synergy
Elementalist's Palette
8% of 30484 decks +8% synergy
Timeless Lotus
8% of 990 decks -4% synergy
Chromatic Lantern
7% of 30484 decks -2% synergy
Basalt Monolith
7% of 30484 decks +4% synergy
Selesnya Signet
6% of 1796 decks -2% synergy
Worn Powerstone
6% of 30484 decks +3% synergy
Astral Cornucopia
5% of 30484 decks +4% synergy
Talisman of Impulse
5% of 4028 decks -5% synergy
Mana Vault
5% of 30484 decks -1% synergy
Pyromancer's Goggles
5% of 13129 decks +4% synergy
Relic of Sauron
5% of 2080 decks -3% synergy
Lands
Command Tower
73% of 30484 decks -1% synergy
Frontier Bivouac
54% of 4028 decks +26% synergy
Prairie Stream
53% of 7290 decks +19% synergy
Sulfur Falls
47% of 13129 decks +14% synergy
Shivan Reef
46% of 13129 decks +18% synergy
Cinder Glade
46% of 4028 decks +7% synergy
Opulent Palace
44% of 4019 decks +16% synergy
Glacial Fortress
43% of 7290 decks +14% synergy
Temple of Epiphany
40% of 13129 decks +22% synergy
Hallowed Fountain
39% of 7290 decks -1% synergy
Steam Vents
37% of 13129 decks -1% synergy
Yavimaya Coast
36% of 10992 decks +9% synergy
Overgrown Tomb
36% of 4019 decks -5% synergy
Frostboil Snarl
36% of 13129 decks +21% synergy
Sunken Hollow
35% of 6306 decks +0% synergy
Hinterland Harbor
35% of 10992 decks +4% synergy
Breeding Pool
35% of 10992 decks -6% synergy
Adarkar Wastes
35% of 7290 decks +14% synergy
Exotic Orchard
34% of 30484 decks -2% synergy
Izzet Boilerworks
34% of 13129 decks +19% synergy
Zagoth Triome
34% of 4019 decks +5% synergy
Simic Growth Chamber
34% of 10992 decks +15% synergy
Port Town
34% of 7290 decks +19% synergy
Watery Grave
32% of 6306 decks -8% synergy
Crumbling Necropolis
32% of 2090 decks +2% synergy
Sea of Clouds
31% of 7290 decks +5% synergy
Mystic Monastery
30% of 1710 decks +3% synergy
Temple of Abandon
30% of 4028 decks +16% synergy
The World Tree
30% of 990 decks -1% synergy
Temple Garden
29% of 1796 decks -10% synergy
Temple of Mystery
29% of 10992 decks +12% synergy
Training Center
29% of 13129 decks +3% synergy
Arcane Sanctum
29% of 1858 decks +1% synergy
Azorius Chancery
29% of 7290 decks +15% synergy
Seaside Citadel
28% of 1796 decks +2% synergy
Rejuvenating Springs
28% of 10992 decks -0% synergy
Game Trail
28% of 4028 decks +12% synergy
Ketria Triome
28% of 4028 decks -4% synergy
Stomping Ground
28% of 4028 decks -12% synergy
Skycloud Expanse
27% of 7290 decks +14% synergy
Temple of Enlightenment
27% of 7290 decks +10% synergy
Llanowar Wastes
26% of 4019 decks -0% synergy
Cascade Bluffs
26% of 13129 decks +13% synergy
Stormcarved Coast
26% of 13129 decks +7% synergy
Spara's Headquarters
26% of 1796 decks -4% synergy
Deserted Beach
25% of 7290 decks +9% synergy
Godless Shrine
25% of 1858 decks -15% synergy
Sacred Foundry
25% of 1710 decks -11% synergy
Woodland Cemetery
24% of 4019 decks -6% synergy
Raugrin Triome
24% of 1710 decks -2% synergy