Soulfire Eruption (Card)

Soulfire Eruption
In 9671 decks 0% of 2474814 decks
Paul Palmer
Jan 10, 2024
Technically Playable - Uvilda, Dean Of Perfection/Nassari, Dean Of Expression
Build an Izzet spellslinger deck with huge spells you can cast for free!
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Hinata, Dawn-Crowned
52.33% of 6562 decks 3434 decks
Rowan, Scion of War
4.21% of 8702 decks 366 decks
Radha, Heir to Keld
31.88% of 1123 decks 358 decks
Neera, Wild Mage
7.21% of 4478 decks 323 decks
Faldorn, Dread Wolf Herald
4.85% of 6452 decks 313 decks
Prosper, Tome-Bound
1.99% of 13185 decks 262 decks
Quintorius, Loremaster
13.15% of 1886 decks 248 decks
Hidetsugu, Devouring Chaos
16.51% of 1072 decks 177 decks
Neheb, the Eternal
4.64% of 3794 decks 176 decks
Magar of the Magic Strings
3.17% of 4453 decks 141 decks
The Infamous Cruelclaw
2.85% of 4775 decks 136 decks
Ruby, Daring Tracker
12.32% of 1071 decks 132 decks
Jodah, Archmage Eternal
1.36% of 8024 decks 109 decks
Laelia, the Blade Reforged
5.57% of 1831 decks 102 decks
Raggadragga, Goreguts Boss
1.39% of 6974 decks 97 decks
Jeleva, Nephalia's Scourge
4.10% of 2169 decks 89 decks
Jhoira of the Ghitu
2.58% of 3175 decks 82 decks
Commander Liara Portyr
9.67% of 838 decks 81 decks
New Cards
Luminous Rebuke
100% of 9 decks +3% synergy
Archmage of Runes
60% of 217 decks +51% synergy
Kykar, Zephyr Awakener
59% of 74 decks +48% synergy
Leyline of Mutation
52% of 29 decks +36% synergy
Rite of the Dragoncaller
46% of 136 decks +33% synergy
High Synergy Cards
Whirlwind of Thought
79% of 3893 decks +68% synergy
Disorder in the Court
69% of 3874 decks +67% synergy
Aurelia's Fury
63% of 4634 decks +62% synergy
Heliod's Intervention
65% of 4634 decks +61% synergy
Soulfire Grand Master
60% of 3893 decks +58% synergy
Sublime Epiphany
57% of 5441 decks +55% synergy
Magma Opus
56% of 5419 decks +55% synergy
Curse of the Swine
59% of 5441 decks +55% synergy
Distorting Wake
54% of 5441 decks +53% synergy
Reality Spasm
54% of 5441 decks +53% synergy
Top Cards
Archmage Emeritus
59% of 5419 decks +51% synergy
March of Swirling Mist
56% of 5351 decks +53% synergy
Kykar, Wind's Fury
53% of 3893 decks +49% synergy
Map the Frontier
51% of 909 decks +49% synergy
Swords to Plowshares
50% of 4634 decks -12% synergy
Negate
50% of 5441 decks +27% synergy
Reconstruct History
50% of 4624 decks +48% synergy
Mystic Confluence
48% of 5441 decks +45% synergy
Icy Blast
47% of 5441 decks +47% synergy
Bloodbraid Challenger
47% of 737 decks +45% synergy
Creatures
Hugs, Grisly Guardian
47% of 465 decks +43% synergy
Feather, the Redeemed
47% of 4634 decks +46% synergy
Battlefield Thaumaturge
46% of 5441 decks +46% synergy
Disciple of Freyalise
43% of 737 decks +36% synergy
Talrand, Sky Summoner
41% of 5441 decks +36% synergy
Zaffai, Thunder Conductor
39% of 5419 decks +39% synergy
Koma, World-Eater
38% of 16 decks +21% synergy
Storm-Kiln Artist
35% of 9632 decks +26% synergy
Pinnacle Monk
34% of 1909 decks +28% synergy
Kogla and Yidaro
34% of 1641 decks +29% synergy
Deekah, Fractal Theorist
33% of 5419 decks +33% synergy
The Lord of Pain
33% of 107 decks +18% synergy
Imoti, Celebrant of Bounty
32% of 536 decks +29% synergy
Sweet-Gum Recluse
31% of 1972 decks +30% synergy
Apex Devastator
30% of 1972 decks +27% synergy
Annoyed Altisaur
30% of 1972 decks +29% synergy
Emergent Woodwurm
30% of 1594 decks +29% synergy
Maelstrom Wanderer
30% of 536 decks +23% synergy
Radagast the Brown
29% of 1406 decks +29% synergy
Willbreaker
28% of 5441 decks +28% synergy
Quilled Greatwurm
27% of 33 decks +10% synergy
Loot, Exuberant Explorer
27% of 33 decks +1% synergy
Kogla, the Titan Ape
27% of 1972 decks +23% synergy
Beast Whisperer
27% of 1972 decks +15% synergy
Third Path Iconoclast
26% of 4623 decks +19% synergy
Soul of the Harvest
26% of 1972 decks +23% synergy
Thunderfoot Baloth
25% of 1972 decks +23% synergy
Rampaging Baloths
25% of 1972 decks +18% synergy
Gruul Ragebeast
25% of 1972 decks +24% synergy
Terastodon
24% of 1972 decks +21% synergy
Garruk's Packleader
24% of 1972 decks +22% synergy
Ovika, Enigma Goliath
24% of 4057 decks +21% synergy
Etali, Primal Conqueror
24% of 1641 decks +13% synergy
Primeval Spawn
23% of 245 decks +20% synergy
Elsha of the Infinite
23% of 3893 decks +20% synergy
Maelstrom Archangel
23% of 270 decks +18% synergy
Etali, Primal Storm
23% of 9671 decks +14% synergy
Esper Sentinel
23% of 4619 decks +2% synergy
Primeval Herald
22% of 1718 decks +21% synergy
Chrome Host Seedshark
22% of 3609 decks +20% synergy
Young Pyromancer
21% of 9671 decks +17% synergy
Faeburrow Elder
21% of 388 decks +10% synergy
Drumhunter
21% of 1972 decks +20% synergy
Goblin Electromancer
21% of 5441 decks +11% synergy
Goblin Anarchomancer
21% of 1953 decks +7% synergy
Ancient Cellarspawn
20% of 133 decks +15% synergy
Illithid Harvester
19% of 5006 decks +19% synergy
Zacama, Primal Calamity
19% of 388 decks +10% synergy
Kellan, Planar Trailblazer
19% of 16 decks +12% synergy
Jegantha, the Wellspring
19% of 270 decks +12% synergy
Instants
Arcane Denial
38% of 5441 decks +18% synergy
Comet Storm
36% of 9671 decks +33% synergy
Natural Reclamation
36% of 1972 decks +35% synergy
Unwind
35% of 5441 decks +32% synergy
Beast Within
34% of 1972 decks -4% synergy
Crush Contraband
34% of 4634 decks +32% synergy
Semester's End
32% of 4624 decks +30% synergy
Call the Coppercoats
30% of 4634 decks +27% synergy
Chaos Warp
29% of 9671 decks -3% synergy
Unite the Coalition
29% of 245 decks +25% synergy
Unexplained Absence
28% of 1326 decks +27% synergy
Paradoxical Outcome
27% of 5441 decks +26% synergy
Prismatic Boon
27% of 3893 decks +27% synergy
Blood for the Blood God!
27% of 1790 decks +23% synergy
Generous Gift
26% of 4634 decks +1% synergy
Brainstorm
26% of 5441 decks +5% synergy
Dark Ritual
25% of 1978 decks +3% synergy
Bedevil
24% of 1978 decks +10% synergy
Withering Torment
23% of 169 decks +4% synergy
Change of Plans
22% of 5074 decks +22% synergy
Rakdos Charm
22% of 1978 decks +8% synergy
Terminate
22% of 1978 decks +1% synergy
Apostle's Blessing
22% of 4634 decks +21% synergy
Counterspell
22% of 5441 decks -21% synergy
Eerie Interlude
21% of 4634 decks +17% synergy
Mystical Tutor
20% of 5441 decks +6% synergy
Sink into Stupor
20% of 1042 decks +7% synergy
Path to Exile
20% of 4634 decks -26% synergy
Return the Favor
19% of 2948 decks +14% synergy
Return of the Wildspeaker
19% of 1972 decks +5% synergy
Growth Spiral
18% of 536 decks -3% synergy
Volcanic Offering
18% of 9671 decks +18% synergy
Elminster's Simulacrum
18% of 5006 decks +18% synergy
Gridlock
18% of 5441 decks +18% synergy
Rewind
17% of 5441 decks +14% synergy
Fiery Annihilation
16% of 19 decks +8% synergy
See Double
16% of 3609 decks +13% synergy
Big Score
15% of 9228 decks +6% synergy
Untimely Malfunction
14% of 769 decks -2% synergy
Waterlogged Teachings
14% of 138 decks +8% synergy
Fierce Guardianship
14% of 5441 decks -4% synergy
March of Wretched Sorrow
14% of 1922 decks +13% synergy
Erebos's Intervention
14% of 1978 decks +13% synergy
Sejiri Shelter
13% of 4634 decks +10% synergy
Cyclonic Rift
13% of 5441 decks -14% synergy
Hurl Through Hell
13% of 1953 decks +12% synergy
Fell the Profane
13% of 516 decks +2% synergy
Snap
13% of 5441 decks +6% synergy
Heroic Intervention
13% of 1972 decks -17% synergy
Return to Dust
12% of 4634 decks +8% synergy
Sorceries
Baral's Expertise
46% of 5441 decks +46% synergy
Ruinous Ultimatum
43% of 335 decks +25% synergy
Emergent Ultimatum
41% of 317 decks +38% synergy
Aether Gale
41% of 5441 decks +40% synergy
Skyshroud Claim
38% of 1972 decks +29% synergy
Mass Manipulation
36% of 5441 decks +35% synergy
Requisition Raid
35% of 1127 decks +31% synergy
Open into Wonder
35% of 5441 decks +34% synergy
Migration Path
35% of 1972 decks +31% synergy
Cosmium Confluence
34% of 1128 decks +34% synergy
Jeska's Will
34% of 9671 decks +16% synergy
Explosive Vegetation
32% of 1972 decks +29% synergy
Cultivate
32% of 1972 decks -14% synergy
Path of the Animist
32% of 1593 decks +32% synergy
Feed the Swarm
32% of 1978 decks +14% synergy
Crackle with Power
31% of 9632 decks +28% synergy
Circuitous Route
31% of 1972 decks +28% synergy
Fevered Suspicion
31% of 1953 decks +28% synergy
Nature's Lore
30% of 1972 decks -2% synergy
Escape to the Wilds
30% of 1972 decks +26% synergy
Red Sun's Twilight
29% of 8036 decks +28% synergy
Duneblast
29% of 271 decks +26% synergy
Vastwood Surge
29% of 1972 decks +28% synergy
Brilliant Ultimatum
29% of 292 decks +28% synergy
Ranger's Path
29% of 1972 decks +28% synergy
Hunting Wilds
28% of 1972 decks +27% synergy
Conflux
28% of 270 decks +24% synergy
Blatant Thievery
28% of 5441 decks +27% synergy
In Garruk's Wake
28% of 1978 decks +24% synergy
Blasphemous Act
27% of 9671 decks -6% synergy
Launch the Fleet
27% of 4634 decks +27% synergy
Blasphemous Edict
26% of 34 decks -7% synergy
Hunted by The Family
26% of 2244 decks +26% synergy
Cruel Ultimatum
26% of 584 decks +23% synergy
Kodama's Reach
26% of 1972 decks -6% synergy
Three Visits
25% of 1972 decks +1% synergy
By Force
25% of 9671 decks +24% synergy
Farseek
24% of 1972 decks -10% synergy
Genesis Ultimatum
24% of 536 decks +18% synergy
Bloodsoaked Insight
23% of 516 decks +19% synergy
Rampant Growth
22% of 1972 decks -12% synergy
Smoke Spirits' Aid
22% of 9521 decks +21% synergy
Hit the Mother Lode
21% of 4289 decks +18% synergy
Boltwave
21% of 136 decks +3% synergy
Terramorph
21% of 1953 decks +20% synergy
Call Forth the Tempest
18% of 4673 decks +16% synergy
Ezuri's Predation
18% of 1972 decks +15% synergy
Cut // Ribbons
18% of 1978 decks +16% synergy
Solve the Equation
18% of 5419 decks +13% synergy
Mana Geyser
17% of 9671 decks +11% synergy
Utility Artifacts
Fist of Suns
33% of 270 decks +26% synergy
Swiftfoot Boots
32% of 9671 decks +4% synergy
Lightning Greaves
29% of 9671 decks +3% synergy
Doors of Durin
22% of 1445 decks +19% synergy
Wayfarer's Bauble
16% of 9671 decks +6% synergy
Bolas's Citadel
14% of 1978 decks +5% synergy
Mindsplice Apparatus
12% of 3934 decks +10% synergy
Primal Amulet
7% of 9671 decks +6% synergy
Wand of Wonder
7% of 9132 decks +5% synergy
Chimil, the Inner Sun
7% of 3969 decks +5% synergy
Door to Nothingness
7% of 270 decks +3% synergy
The Great Henge
6% of 1972 decks -3% synergy
Sensei's Divining Top
6% of 9671 decks +1% synergy
The Cauldron of Eternity
6% of 1978 decks +5% synergy
Ruby Medallion
6% of 9671 decks +3% synergy
Thieves' Tools
5% of 1953 decks +5% synergy
Wondrous Crucible
5% of 8526 decks +5% synergy
Enchantments
Metallurgic Summonings
47% of 5441 decks +46% synergy
Bigger on the Inside
46% of 1246 decks +43% synergy
Case of the Locked Hothouse
40% of 1062 decks +35% synergy
Shark Typhoon
34% of 5441 decks +32% synergy
Rhystic Study
29% of 5441 decks +1% synergy
Monstrous Vortex
28% of 664 decks +25% synergy
Smothering Tithe
28% of 4634 decks +3% synergy
Maelstrom Nexus
23% of 270 decks +15% synergy
Path of Annihilation
19% of 710 decks +17% synergy
Mystic Remora
19% of 5441 decks +1% synergy
Charred Foyer // Warped Space
18% of 611 decks +14% synergy
Leyline of the Guildpact
18% of 94 decks -5% synergy
Sunbird's Invocation
16% of 9671 decks +14% synergy
The Rollercrusher Ride
16% of 769 decks +14% synergy
Lost in the Maze
16% of 1707 decks +15% synergy
Jeskai Ascendancy
15% of 3893 decks +9% synergy
Baneful Omen
14% of 1978 decks +13% synergy
Phyrexian Arena
13% of 1978 decks -2% synergy
Annie Joins Up
12% of 115 decks -6% synergy
Temur Ascendancy
11% of 536 decks -3% synergy
Moldering Gym // Weight Room
11% of 98 decks +8% synergy
Rhythm of the Wild
11% of 1972 decks -12% synergy
Passionate Archaeologist
11% of 9132 decks +9% synergy
Wild Growth
11% of 1972 decks -0% synergy
Fiery Inscription
11% of 5688 decks +6% synergy
Soul Channeling
10% of 1978 decks +10% synergy
Thousand-Year Storm
10% of 5441 decks +6% synergy
Garruk's Uprising
10% of 1972 decks -5% synergy
Sylvan Scavenging
10% of 39 decks +7% synergy
Up the Beanstalk
10% of 1320 decks +6% synergy
Dismiss into Dream
10% of 5441 decks +9% synergy
Ghostly Prison
10% of 4634 decks -2% synergy
Theater of Horrors
10% of 1978 decks +7% synergy
City on Fire
9% of 7052 decks +4% synergy
Double Vision
9% of 9671 decks +7% synergy
Fires of Yavimaya
9% of 1972 decks +5% synergy
The Kami War
9% of 257 decks +2% synergy
Propaganda
9% of 5441 decks -3% synergy
Swarm Intelligence
8% of 5441 decks +7% synergy
Protection Racket
8% of 1908 decks +8% synergy
Stormchaser's Talent
8% of 507 decks +6% synergy
Black Market Connections
8% of 1888 decks -3% synergy
Arcane Bombardment
8% of 9228 decks +6% synergy
Trouble in Pairs
8% of 1326 decks +1% synergy
Cramped Vents // Access Maze
8% of 133 decks +5% synergy
Mirari's Wake
7% of 388 decks -6% synergy
One with the Multiverse
7% of 4623 decks +5% synergy
Derelict Attic // Widow's Walk
7% of 54 decks +4% synergy
Valakut Exploration
7% of 9671 decks +5% synergy
Jace's Sanctum
7% of 5441 decks +6% synergy
Battles
Invasion of Zendikar
36% of 1580 decks +34% synergy
Invasion of Alara
10% of 179 decks +7% synergy
Planeswalkers
Ral, Crackling Wit
19% of 666 decks +11% synergy
Saheeli, Sublime Artificer
15% of 5441 decks +11% synergy
Xenagos, the Reveler
11% of 1972 decks +9% synergy
Quintorius Kand
10% of 1704 decks +9% synergy
Sorin, Grim Nemesis
8% of 335 decks +7% synergy
Teferi, Time Raveler
8% of 3893 decks +1% synergy
Chandra, Torch of Defiance
7% of 9671 decks +4% synergy
Narset, Parter of Veils
6% of 5441 decks +1% synergy
Chandra, Flameshaper
6% of 343 decks +5% synergy
Ral, Storm Conduit
6% of 5441 decks +3% synergy
Chandra, Hope's Beacon
6% of 7186 decks +4% synergy
Nicol Bolas, God-Pharaoh
5% of 584 decks +2% synergy
Vivien, Champion of the Wilds
5% of 1972 decks +3% synergy
Utility Lands
Mosswort Bridge
44% of 1972 decks +33% synergy
Hidden Nursery
42% of 1207 decks +40% synergy
Kessig Wolf Run
38% of 1972 decks +22% synergy
Mystic Sanctuary
30% of 5441 decks +18% synergy
Reliquary Tower
28% of 9671 decks -2% synergy
Bojuka Bog
27% of 1978 decks -4% synergy
Otawara, Soaring City
18% of 5351 decks +1% synergy
Hidden Volcano
15% of 4289 decks +13% synergy
Eiganjo, Seat of the Empire
12% of 4587 decks +3% synergy
Spinerock Knoll
12% of 9671 decks +7% synergy
Pit of Offerings
10% of 4049 decks +10% synergy
Boseiju, Who Endures
9% of 1939 decks -10% synergy
Mortuary Mire
9% of 1978 decks +4% synergy
Raging Ravine
9% of 1972 decks +6% synergy
Rogue's Passage
9% of 9671 decks -11% synergy
Arena of Glory
9% of 2131 decks -0% synergy
Temple of the False God
8% of 9671 decks -2% synergy
Cabal Coffers
7% of 1978 decks -3% synergy
Castle Vantress
7% of 5441 decks +3% synergy
Sokenzan, Crucible of Defiance
7% of 9521 decks +2% synergy
Restless Spire
7% of 2523 decks +4% synergy
Rivendell
7% of 3005 decks +1% synergy
Ancient Tomb
7% of 9671 decks -4% synergy
War Room
7% of 9671 decks +0% synergy
Command Beacon
6% of 9671 decks +1% synergy
Arcane Lighthouse
6% of 9671 decks +4% synergy
Restless Vents
6% of 848 decks +3% synergy
Castle Locthwain
6% of 1978 decks +0% synergy
Takenuma, Abandoned Mire
5% of 1922 decks -5% synergy
The Black Gate
5% of 1200 decks +1% synergy
Mana Artifacts
Sol Ring
78% of 9671 decks -6% synergy
Arcane Signet
75% of 9671 decks +3% synergy
Azorius Signet
62% of 3893 decks +36% synergy
Izzet Signet
61% of 5441 decks +33% synergy
Talisman of Creativity
56% of 5441 decks +28% synergy
Boros Signet
54% of 4634 decks +31% synergy
Talisman of Conviction
50% of 4634 decks +27% synergy
Rakdos Signet
49% of 1978 decks +20% synergy
Talisman of Progress
39% of 3893 decks +16% synergy
Talisman of Indulgence
39% of 1978 decks +12% synergy
Fellwar Stone
35% of 9671 decks +14% synergy
Dimir Signet
24% of 584 decks -5% synergy
Talisman of Dominance
23% of 584 decks -9% synergy
Mind Stone
21% of 9671 decks +4% synergy
Timeless Lotus
18% of 245 decks +4% synergy
Charcoal Diamond
15% of 1978 decks +10% synergy
Commander's Sphere
15% of 9671 decks +0% synergy
Thought Vessel
14% of 9671 decks -3% synergy
Midnight Clock
12% of 5441 decks +7% synergy
Fire Diamond
11% of 9671 decks +5% synergy
Elementalist's Palette
11% of 9632 decks +10% synergy
Orzhov Signet
10% of 335 decks -17% synergy
Talisman of Hierarchy
9% of 335 decks -15% synergy
Gruul Signet
9% of 1972 decks -3% synergy
Chromatic Lantern
8% of 9671 decks -1% synergy
Simic Signet
8% of 536 decks -6% synergy
Relic of Sauron
8% of 338 decks -3% synergy
Sky Diamond
7% of 5441 decks +2% synergy
Pyromancer's Goggles
6% of 9671 decks +5% synergy
Liquimetal Torque
6% of 9612 decks +3% synergy
Talisman of Curiosity
6% of 536 decks -6% synergy
Thran Dynamo
6% of 9671 decks +1% synergy
Golgari Signet
6% of 396 decks -7% synergy
Mana Crypt
5% of 9671 decks -3% synergy
Gilded Lotus
5% of 9671 decks +2% synergy
Cursed Mirror
5% of 9632 decks -0% synergy
Talisman of Impulse
5% of 1972 decks -4% synergy
Lands
Command Tower
82% of 9671 decks +8% synergy
Cinder Glade
65% of 1972 decks +27% synergy
Mystic Monastery
61% of 3893 decks +35% synergy
Smoldering Marsh
54% of 1978 decks +21% synergy
Sulfur Falls
49% of 5441 decks +18% synergy
Shivan Reef
49% of 5441 decks +22% synergy
Hallowed Fountain
48% of 3893 decks +8% synergy
Raugrin Triome
47% of 3893 decks +21% synergy
Exotic Orchard
47% of 9671 decks +11% synergy
Game Trail
46% of 1972 decks +30% synergy
Steam Vents
45% of 5441 decks +6% synergy
Rockfall Vale
45% of 1949 decks +23% synergy
Glacial Fortress
44% of 3893 decks +18% synergy
Mossfire Valley
44% of 1972 decks +33% synergy
Sacred Foundry
43% of 4634 decks +7% synergy
Training Center
43% of 5441 decks +16% synergy
Spectator Seating
42% of 4634 decks +17% synergy
Sea of Clouds
42% of 3893 decks +16% synergy
The World Tree
41% of 265 decks +7% synergy
Perilous Landscape
41% of 628 decks +29% synergy
Foreboding Ruins
40% of 1978 decks +24% synergy
Prairie Stream
39% of 3893 decks +5% synergy
Karplusan Forest
38% of 1972 decks +21% synergy
Rakdos Carnarium
37% of 1978 decks +23% synergy
Clifftop Retreat
37% of 4634 decks +8% synergy
Temple of Malice
35% of 1978 decks +21% synergy
Crumbling Necropolis
35% of 584 decks +4% synergy
Shadowblood Ridge
35% of 1978 decks +23% synergy
Watery Grave
34% of 584 decks -6% synergy
Dragonskull Summit
34% of 1978 decks +3% synergy
Overgrown Tomb
33% of 396 decks -9% synergy
Battlefield Forge
33% of 4634 decks +8% synergy
Temple of Epiphany
33% of 5441 decks +15% synergy
Blood Crypt
33% of 1978 decks -5% synergy
Deserted Beach
33% of 3877 decks +17% synergy
Ketria Triome
32% of 536 decks -0% synergy
Ziatora's Proving Ground
32% of 370 decks +1% synergy
Jetmir's Garden
31% of 369 decks -2% synergy
Blighted Woodland
31% of 1972 decks +25% synergy
Stomping Ground
31% of 1972 decks -10% synergy
Breeding Pool
30% of 536 decks -11% synergy
Temple Garden
30% of 388 decks -10% synergy
Frontier Bivouac
29% of 536 decks +2% synergy
Xander's Lounge
29% of 552 decks +2% synergy
Rootbound Crag
29% of 1972 decks +5% synergy
Stormcarved Coast
27% of 5381 decks +10% synergy
Temple of Triumph
26% of 4634 decks +10% synergy
Sulfurous Springs
26% of 1978 decks +6% synergy
Spara's Headquarters
26% of 266 decks -6% synergy
Luxury Suite
26% of 1978 decks -1% synergy