Spreading Plague (Card)

Spreading Plague
In 3251 decks 0% of 2823848 decks
DougY
Sep 13, 2024
Top 10 Library Manipulation Enchantments
Explore Esper topdeck manipulation and enchantment combos galore to make new commander Aminatou, Veil Piercer shine.
Wes Stuckey
Sift Through Sands - Pharika/Umori and Zur
Wes Stuckey compares two enchantment decks, one helmed by Pharika, God of Affliction, the other by Zur, Eternal Schemer.
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Ulalek, Fused Atrocity
6.10% of 14962 decks 912 decks
Mogis, God of Slaughter
7.71% of 3930 decks 303 decks
Morophon, the Boundless
2.25% of 10464 decks 235 decks
Azlask, the Swelling Scourge
2.31% of 8017 decks 185 decks
Oloro, Ageless Ascetic
1.08% of 13454 decks 145 decks
Erebos, God of the Dead
6.13% of 1240 decks 76 decks
Nicol Bolas, the Ravager
0.83% of 7426 decks 62 decks
Esika, God of the Tree
0.32% of 19312 decks 62 decks
Atraxa, Praetors' Voice
0.12% of 35755 decks 44 decks
Child of Alara
0.59% of 6250 decks 37 decks
Jodah, Archmage Eternal
0.29% of 8066 decks 23 decks
Sliver Hivelord
0.69% of 3055 decks 21 decks
Karona, False God
0.59% of 3395 decks 20 decks
Urtet, Remnant of Memnarch
0.14% of 13833 decks 20 decks
Zurgo Helmsmasher
0.40% of 4805 decks 19 decks
Aminatou, the Fateshifter
0.29% of 6195 decks 18 decks
Valki, God of Lies
1.08% of 1666 decks 18 decks
Darigaaz Reincarnated
6.67% of 255 decks 17 decks
New Cards
Ugin, Eye of the Storms
9% of 181 decks +9% synergy
Muraganda Raceway
3% of 711 decks +2% synergy
Bleachbone Verge
3% of 464 decks -3% synergy
Synchronized Charge
3% of 31 decks +3% synergy
Warden of the Grove
3% of 31 decks +3% synergy
High Synergy Cards
Kozilek's Unsealing
54% of 1616 decks +52% synergy
Sire of Stagnation
54% of 2197 decks +52% synergy
Ugin's Binding
51% of 1577 decks +50% synergy
Herald of Kozilek
49% of 1784 decks +48% synergy
Snapping Voidcraw
50% of 1338 decks +48% synergy
Glaring Fleshraker
48% of 2096 decks +47% synergy
Hideous Taskmaster
48% of 1657 decks +47% synergy
Chittering Dispatcher
47% of 1401 decks +46% synergy
Echoes of Eternity
47% of 2165 decks +45% synergy
Path of Annihilation
46% of 1441 decks +45% synergy
Top Cards
Awakening Zone
45% of 1885 decks +43% synergy
Sowing Mycospawn
44% of 1441 decks +43% synergy
From Beyond
44% of 1885 decks +43% synergy
All Is Dust
42% of 3251 decks +41% synergy
World Breaker
41% of 1885 decks +40% synergy
Spawnbed Protector
41% of 2096 decks +40% synergy
Benthic Anomaly
40% of 1561 decks +38% synergy
Nulldrifter
39% of 1634 decks +38% synergy
Wastescape Battlemage
39% of 1338 decks +38% synergy
Forsaken Monument
39% of 3251 decks +37% synergy
Game Changers
Rhystic Study
32% of 2197 decks +5% synergy
Smothering Tithe
28% of 2095 decks +4% synergy
Cyclonic Rift
26% of 2197 decks -1% synergy
Demonic Tutor
25% of 3251 decks +4% synergy
Ancient Tomb
20% of 3251 decks +10% synergy
Vampiric Tutor
20% of 3251 decks +2% synergy
Enlightened Tutor
15% of 2095 decks -2% synergy
The One Ring
11% of 3251 decks +3% synergy
Mana Vault
11% of 3251 decks +5% synergy
Bolas's Citadel
9% of 3251 decks +0% synergy
Creatures
Ulamog, the Defiler
34% of 2165 decks +33% synergy
Conduit of Ruin
32% of 3251 decks +32% synergy
Eldrazi Displacer
31% of 2095 decks +30% synergy
It That Heralds the End
30% of 2402 decks +29% synergy
Deepfathom Skulker
28% of 2197 decks +28% synergy
Ulamog, the Ceaseless Hunger
28% of 3251 decks +26% synergy
Writhing Chrysalis
27% of 1343 decks +25% synergy
Titans' Vanguard
25% of 1299 decks +24% synergy
Artisan of Kozilek
25% of 3251 decks +24% synergy
Kozilek, Butcher of Truth
23% of 3251 decks +21% synergy
Zhulodok, Void Gorger
23% of 3154 decks +22% synergy
Kozilek, the Great Distortion
23% of 3251 decks +21% synergy
Kozilek, the Broken Reality
22% of 2165 decks +22% synergy
Drowner of Hope
22% of 2197 decks +22% synergy
Catacomb Sifter
22% of 1885 decks +21% synergy
Morophon, the Boundless
21% of 1630 decks +7% synergy
Oblivion Sower
21% of 3251 decks +20% synergy
Brood Monitor
21% of 1885 decks +20% synergy
Void Winnower
21% of 3251 decks +19% synergy
It That Betrays
20% of 3251 decks +19% synergy
Ulamog, the Infinite Gyre
20% of 3251 decks +18% synergy
Eldrazi Linebreaker
19% of 1630 decks +19% synergy
Emrakul, the World Anew
19% of 2402 decks +19% synergy
Flayer of Loyalties
19% of 2959 decks +18% synergy
Forerunner of Slaughter
19% of 2333 decks +19% synergy
Roaming Throne
19% of 2684 decks +12% synergy
Thief of Existence
19% of 1444 decks +18% synergy
Skittering Cicada
19% of 2959 decks +18% synergy
Void Grafter
18% of 1750 decks +17% synergy
Bismuth Mindrender
18% of 2096 decks +17% synergy
Vile Redeemer
17% of 1885 decks +17% synergy
Eyeless Watcher
17% of 1885 decks +17% synergy
Endbringer
17% of 3251 decks +16% synergy
Sire of Seven Deaths
15% of 1080 decks +14% synergy
Drowner of Truth
15% of 1376 decks +13% synergy
Emrakul, the Promised End
14% of 3251 decks +14% synergy
Spawn-Gang Commander
14% of 1694 decks +13% synergy
Twins of Discord
13% of 2096 decks +13% synergy
Sifter of Skulls
13% of 3251 decks +12% synergy
Mutated Cultist
13% of 2096 decks +12% synergy
Breaker of Creation
12% of 2192 decks +12% synergy
Angelic Aberration
12% of 1510 decks +12% synergy
Ulamog's Dreadsire
11% of 2096 decks +11% synergy
Flayer Drone
11% of 2333 decks +11% synergy
Azlask, the Swelling Scourge
11% of 1306 decks +9% synergy
Liberator, Urza's Battlethopter
10% of 3251 decks +9% synergy
Jodah, Archmage Eternal
10% of 1630 decks +6% synergy
Gray Merchant of Asphodel
9% of 3251 decks +0% synergy
Ulamog's Nullifier
9% of 2197 decks +9% synergy
Birds of Paradise
9% of 1885 decks -18% synergy
Instants
Eldritch Immunity
38% of 2096 decks +37% synergy
Kozilek's Command
30% of 2096 decks +29% synergy
Null Elemental Blast
26% of 2214 decks +24% synergy
Swords to Plowshares
25% of 2095 decks -37% synergy
Eldrazi Confluence
24% of 2096 decks +23% synergy
Mana Drain
20% of 2197 decks +5% synergy
Teferi's Protection
20% of 2095 decks +0% synergy
Return of the Wildspeaker
18% of 1885 decks +5% synergy
Path to Exile
17% of 2095 decks -30% synergy
Counterspell
17% of 2197 decks -26% synergy
Crib Swap
16% of 2095 decks +14% synergy
Abstruse Appropriation
15% of 1547 decks +13% synergy
Kozilek's Return
15% of 2333 decks +14% synergy
Dark Ritual
14% of 3251 decks -9% synergy
Heroic Intervention
14% of 1885 decks -16% synergy
Fierce Guardianship
13% of 2197 decks -5% synergy
Chaos Warp
13% of 2333 decks -18% synergy
Warping Wail
12% of 3251 decks +11% synergy
Anguished Unmaking
11% of 2095 decks -13% synergy
Void Shatter
11% of 2197 decks +11% synergy
Deflecting Swat
10% of 2333 decks -6% synergy
Rakdos Charm
10% of 2333 decks -5% synergy
Terminate
9% of 2333 decks -11% synergy
Not of This World
9% of 3251 decks +8% synergy
Bedevil
9% of 2333 decks -5% synergy
Assassin's Trophy
9% of 1885 decks -22% synergy
Titan's Presence
9% of 3251 decks +8% synergy
Arcane Denial
9% of 2197 decks -12% synergy
Spell Shrivel
8% of 2197 decks +8% synergy
Crop Rotation
8% of 1885 decks -2% synergy
An Offer You Can't Refuse
8% of 2197 decks -13% synergy
Deadly Rollick
8% of 3251 decks -3% synergy
Despark
8% of 2095 decks -7% synergy
Swan Song
8% of 2197 decks -9% synergy
Worldly Tutor
7% of 1885 decks -6% synergy
Desecrate Reality
7% of 2959 decks +7% synergy
Beast Within
7% of 1885 decks -30% synergy
Dovin's Veto
7% of 1926 decks -11% synergy
Negate
6% of 2197 decks -16% synergy
Generous Gift
6% of 2095 decks -19% synergy
Mystical Tutor
6% of 2197 decks -9% synergy
Unfathomable Truths
5% of 1561 decks +5% synergy
Withering Torment
5% of 1365 decks -3% synergy
Brainstorm
5% of 2197 decks -15% synergy
Sorceries
Farseek
25% of 1885 decks -9% synergy
Blasphemous Act
24% of 2333 decks -10% synergy
Toxic Deluge
21% of 3251 decks +4% synergy
Cultivate
21% of 1885 decks -24% synergy
Damnation
20% of 3251 decks +13% synergy
Nature's Lore
19% of 1885 decks -13% synergy
Three Visits
19% of 1885 decks -6% synergy
Selective Obliteration
16% of 2096 decks +16% synergy
Rise of the Eldrazi
14% of 2959 decks +13% synergy
Farewell
13% of 2095 decks +1% synergy
Ancient Stirrings
13% of 1885 decks +13% synergy
Kodama's Reach
13% of 1885 decks -17% synergy
Torment of Hailfire
12% of 3251 decks +7% synergy
Rishkar's Expertise
11% of 1885 decks +1% synergy
Vandalblast
11% of 2333 decks -4% synergy
Rampant Growth
11% of 1885 decks -23% synergy
Wrath of God
11% of 2095 decks +5% synergy
Exsanguinate
11% of 3251 decks +5% synergy
Supreme Verdict
11% of 1926 decks -3% synergy
Sylvan Scrying
11% of 1885 decks +8% synergy
Tempt with Discovery
11% of 1885 decks +7% synergy
Damn
10% of 2095 decks -6% synergy
Last March of the Ents
10% of 1812 decks +6% synergy
Feed the Swarm
10% of 3251 decks -8% synergy
Calamity of the Titans
9% of 2959 decks +9% synergy
Decree of Pain
9% of 3251 decks +6% synergy
Sign in Blood
8% of 3251 decks -1% synergy
Skittering Invasion
8% of 3251 decks +8% synergy
Blasphemous Edict
8% of 1080 decks +1% synergy
Deadly Tempest
8% of 3251 decks +7% synergy
Last One Standing
8% of 2333 decks +7% synergy
Chain Reaction
7% of 2333 decks +3% synergy
Diabolic Tutor
7% of 3251 decks +1% synergy
Vanquish the Horde
7% of 2095 decks +3% synergy
Night's Whisper
7% of 3251 decks -2% synergy
Jeska's Will
7% of 2333 decks -10% synergy
Grim Tutor
7% of 3251 decks +2% synergy
Glimpse the Impossible
6% of 1657 decks +4% synergy
Syphon Mind
6% of 3251 decks +3% synergy
Read the Bones
6% of 3251 decks -1% synergy
Day of Judgment
6% of 2095 decks +4% synergy
Austere Command
6% of 2095 decks -7% synergy
Growth Spasm
6% of 1885 decks +5% synergy
Idyllic Tutor
6% of 2095 decks +1% synergy
Skyshroud Claim
5% of 1885 decks -3% synergy
Jokulhaups
5% of 2333 decks +5% synergy
Obliterate
5% of 2333 decks +5% synergy
Replenish
5% of 2095 decks +4% synergy
Utility Artifacts
Urza's Incubator
31% of 3251 decks +28% synergy
Herald's Horn
25% of 3251 decks +19% synergy
Mystic Forge
24% of 3251 decks +21% synergy
Darksteel Monolith
22% of 2959 decks +21% synergy
Fist of Suns
19% of 1630 decks +12% synergy
Lightning Greaves
18% of 3251 decks -7% synergy
Mind Stone
15% of 3251 decks -2% synergy
Hedron Archive
15% of 3251 decks +12% synergy
Expedition Map
14% of 3251 decks +11% synergy
Idol of False Gods
13% of 2134 decks +13% synergy
Eldrazi Monument
11% of 3251 decks +10% synergy
Commander's Sphere
10% of 3251 decks -5% synergy
Wayfarer's Bauble
8% of 3251 decks -1% synergy
Swiftfoot Boots
8% of 3251 decks -19% synergy
Vedalken Orrery
8% of 3251 decks +7% synergy
Sensei's Divining Top
8% of 3251 decks +3% synergy
The Great Henge
8% of 1885 decks -2% synergy
Jet Medallion
7% of 3251 decks +4% synergy
Skullclamp
7% of 3251 decks -5% synergy
Ensnaring Bridge
7% of 3251 decks +7% synergy
Ankh of Mishra
6% of 3251 decks +6% synergy
Dreamstone Hedron
6% of 3251 decks +5% synergy
Crawlspace
6% of 3251 decks +5% synergy
Vanquisher's Banner
6% of 3251 decks +2% synergy
Chimil, the Inner Sun
6% of 2684 decks +4% synergy
Enchantments
Garruk's Uprising
28% of 1885 decks +12% synergy
Up the Beanstalk
24% of 1726 decks +20% synergy
Phyrexian Arena
20% of 3251 decks +5% synergy
Tainted Aether
20% of 3251 decks +20% synergy
No Mercy
20% of 3251 decks +18% synergy
Painful Quandary
16% of 3251 decks +14% synergy
Temur Ascendancy
16% of 1640 decks +2% synergy
Kindred Discovery
16% of 2197 decks +8% synergy
Lethal Vapors
15% of 3251 decks +15% synergy
Rhythm of the Wild
15% of 1696 decks -9% synergy
Mana Maze
14% of 2197 decks +14% synergy
Propaganda
14% of 2197 decks +2% synergy
Ghostly Prison
13% of 2095 decks +2% synergy
Mystic Remora
13% of 2197 decks -4% synergy
Reflections of Littjara
13% of 2197 decks +8% synergy
Sphere of Safety
12% of 2095 decks +8% synergy
Manabarbs
12% of 2333 decks +10% synergy
Bloodchief Ascension
12% of 3251 decks +8% synergy
Exquisite Blood
12% of 3251 decks +7% synergy
Eldrazi Conscription
12% of 3251 decks +11% synergy
Imprisoned in the Moon
11% of 2197 decks +8% synergy
Shadow in the Warp
11% of 1696 decks +8% synergy
Spellshock
11% of 2333 decks +10% synergy
Black Market Connections
10% of 3251 decks -1% synergy
Polluted Bonds
10% of 3251 decks +9% synergy
Sulfuric Vortex
9% of 2333 decks +8% synergy
Wound Reflection
9% of 3251 decks +8% synergy
Underworld Dreams
9% of 3251 decks +7% synergy
Doubling Season
9% of 1885 decks -1% synergy
Necropotence
9% of 3251 decks +4% synergy
Smoke
9% of 2333 decks +8% synergy
Havoc Festival
9% of 2333 decks +8% synergy
Blind Obedience
9% of 2095 decks +2% synergy
Price of Glory
8% of 2333 decks +8% synergy
Spiteful Visions
8% of 2333 decks +6% synergy
Black Market
8% of 3251 decks +4% synergy
The Meathook Massacre
8% of 3251 decks +3% synergy
Cryptolith Rite
8% of 1885 decks +4% synergy
Humility
8% of 2095 decks +8% synergy
Pestilence
8% of 3251 decks +7% synergy
Sylvan Library
8% of 1885 decks -3% synergy
Sanguine Bond
8% of 3251 decks +2% synergy
Authority of the Consuls
7% of 2095 decks +3% synergy
Leyline of Anticipation
7% of 2197 decks +3% synergy
Burning Sands
7% of 2333 decks +7% synergy
Aether Flash
7% of 2333 decks +7% synergy
Descent into Avernus
7% of 2333 decks +4% synergy
Citadel of Pain
7% of 2333 decks +6% synergy
Monstrous Vortex
6% of 1416 decks +4% synergy
Roiling Vortex
6% of 2333 decks +4% synergy
Planeswalkers
Ugin, the Ineffable
31% of 3251 decks +29% synergy
Ugin, the Spirit Dragon
19% of 3251 decks +17% synergy
Ashiok, Dream Render
8% of 2197 decks +4% synergy
Nicol Bolas, Dragon-God
7% of 1784 decks +3% synergy
Narset, Parter of Veils
7% of 2197 decks +2% synergy
Chandra, Awakened Inferno
7% of 2333 decks +5% synergy
Teferi, Time Raveler
6% of 1926 decks -1% synergy
Nicol Bolas, God-Pharaoh
5% of 1784 decks +2% synergy
Teferi, Master of Time
5% of 2197 decks +3% synergy
Utility Lands
Eldrazi Temple
40% of 3251 decks +39% synergy
Reliquary Tower
36% of 3251 decks +7% synergy
Shrine of the Forsaken Gods
32% of 3251 decks +31% synergy
Eye of Ugin
29% of 3251 decks +29% synergy
Ugin's Labyrinth
27% of 2214 decks +26% synergy
Urborg, Tomb of Yawgmoth
24% of 3251 decks +14% synergy
Tomb of the Spirit Dragon
23% of 3251 decks +21% synergy
Cascading Cataracts
22% of 3251 decks +21% synergy
Bojuka Bog
21% of 3251 decks -9% synergy
Sanctum of Ugin
19% of 3251 decks +18% synergy
Urza's Tower
17% of 3251 decks +16% synergy
Urza's Power Plant
17% of 3251 decks +16% synergy
Urza's Mine
17% of 3251 decks +15% synergy
Cabal Coffers
15% of 3251 decks +4% synergy
Temple of the False God
14% of 3251 decks +5% synergy
Bonders' Enclave
12% of 3251 decks +10% synergy
Urza's Saga
10% of 3251 decks +3% synergy
Yavimaya, Cradle of Growth
10% of 3251 decks +1% synergy
Spawning Bed
10% of 3251 decks +9% synergy
Hall of Heliod's Generosity
9% of 2095 decks +2% synergy
Three Tree City
9% of 1719 decks +4% synergy
Maze of Ith
9% of 3251 decks +6% synergy
Rogue's Passage
9% of 3251 decks -11% synergy
Thespian's Stage
8% of 3251 decks +6% synergy
Tectonic Edge
8% of 3251 decks +7% synergy
Scavenger Grounds
7% of 3251 decks +4% synergy
Nykthos, Shrine to Nyx
7% of 3251 decks +1% synergy
Urza's Workshop
6% of 3251 decks +6% synergy
Strip Mine
6% of 3251 decks +3% synergy
Boseiju, Who Endures
6% of 1885 decks -13% synergy
Field of the Dead
5% of 3251 decks +2% synergy
Alchemist's Refuge
5% of 1750 decks -1% synergy
Vesuva
5% of 3251 decks +4% synergy
Mana Artifacts
Sol Ring
87% of 3251 decks +3% synergy
Arcane Signet
73% of 3251 decks +0% synergy
Talisman of Curiosity
40% of 1750 decks +27% synergy
Talisman of Impulse
34% of 1696 decks +24% synergy
Talisman of Resilience
32% of 1885 decks +20% synergy
Talisman of Dominance
32% of 2197 decks -0% synergy
Chromatic Lantern
30% of 3251 decks +20% synergy
Thran Dynamo
27% of 3251 decks +22% synergy
Fellwar Stone
23% of 3251 decks +2% synergy
Rakdos Signet
18% of 2333 decks -11% synergy
Talisman of Indulgence
18% of 2333 decks -9% synergy
Thought Vessel
16% of 3251 decks -1% synergy
Everflowing Chalice
13% of 3251 decks +8% synergy
Talisman of Creativity
12% of 1784 decks -17% synergy
Basalt Monolith
11% of 3251 decks +9% synergy
Talisman of Hierarchy
11% of 2095 decks -14% synergy
Chromatic Orrery
11% of 3251 decks +9% synergy
Dimir Signet
10% of 2197 decks -19% synergy
Mana Crypt
10% of 3251 decks +4% synergy
Timeless Lotus
10% of 1630 decks -2% synergy
Orzhov Signet
10% of 2095 decks -17% synergy
Talisman of Progress
9% of 1926 decks -15% synergy
Talisman of Unity
8% of 1703 decks +0% synergy
Worn Powerstone
7% of 3251 decks +4% synergy
Azorius Signet
7% of 1926 decks -18% synergy
Gilded Lotus
7% of 3251 decks +4% synergy
Talisman of Conviction
6% of 1701 decks -18% synergy
Charcoal Diamond
6% of 3251 decks +1% synergy
Lands
Command Tower
78% of 3251 decks +4% synergy
Yavimaya Coast
56% of 1750 decks +29% synergy
Llanowar Wastes
52% of 1885 decks +26% synergy
Karplusan Forest
52% of 1696 decks +35% synergy
Shivan Reef
51% of 1784 decks +23% synergy
Brushland
49% of 1703 decks +32% synergy
Underground River
45% of 2197 decks +25% synergy
Battlefield Forge
44% of 1701 decks +18% synergy
Caves of Koilos
44% of 2095 decks +15% synergy
Adarkar Wastes
44% of 1926 decks +24% synergy
Sulfurous Springs
44% of 2333 decks +23% synergy
Exotic Orchard
42% of 3251 decks +6% synergy
The World Tree
35% of 1630 decks +3% synergy
Path of Ancestry
29% of 3251 decks +7% synergy
Watery Grave
28% of 2197 decks -12% synergy
Corrupted Crossroads
27% of 3251 decks +27% synergy
Unclaimed Territory
27% of 3251 decks +22% synergy
Secluded Courtyard
27% of 3251 decks +22% synergy
Twisted Landscape
26% of 1313 decks +14% synergy
Tranquil Landscape
26% of 1309 decks +16% synergy
Blood Crypt
24% of 2333 decks -14% synergy
Godless Shrine
24% of 2095 decks -17% synergy
Breeding Pool
24% of 1750 decks -17% synergy
Overgrown Tomb
23% of 1885 decks -19% synergy
Hallowed Fountain
22% of 1926 decks -18% synergy
Cavern of Souls
21% of 3251 decks +13% synergy
Urza's Cave
20% of 2214 decks +18% synergy
Polluted Delta
20% of 3251 decks +8% synergy
Zagoth Triome
19% of 1750 decks -10% synergy
Steam Vents
19% of 1784 decks -19% synergy
Temple Garden
19% of 1703 decks -21% synergy
Stomping Ground
18% of 1696 decks -22% synergy
Ketria Triome
18% of 1640 decks -14% synergy
Bloodstained Mire
18% of 3251 decks +7% synergy
Dragonskull Summit
16% of 2333 decks -16% synergy
Marsh Flats
16% of 3251 decks +5% synergy
Luxury Suite
15% of 2333 decks -11% synergy
Verdant Catacombs
15% of 3251 decks +4% synergy
Raffine's Tower
14% of 1926 decks -12% synergy
Indatha Triome
14% of 1703 decks -16% synergy
Smoldering Marsh
14% of 2333 decks -19% synergy
Misty Rainforest
14% of 3251 decks +2% synergy
Reflecting Pool
14% of 3251 decks +8% synergy
Flooded Strand
14% of 3251 decks +3% synergy
Spara's Headquarters
13% of 1678 decks -16% synergy
City of Brass
13% of 3251 decks +5% synergy
Morphic Pool
13% of 2197 decks -13% synergy
Scalding Tarn
12% of 3251 decks +2% synergy
Ziatora's Proving Ground
12% of 1696 decks -18% synergy
Mana Confluence
12% of 3251 decks +5% synergy