Warren Soultrader + Gravecrawler + Bastion of Remembrance

Warren Soultrader
Gravecrawler
Bastion of Remembrance

Requires
Warren Soultrader must be on the battlefield. Gravecrawler must be on the battlefield. Bastion of Remembrance must be on the battlefield. Your life total is at least 2.
Steps
  1. Activate Warren Soultrader by paying 1 life and sacrificing Gravecrawler.
  2. When Gravecrawler dies, Bastion of Remembrance triggers, causing you to gain 1 life and each opponent to lose 1 life.
  3. Resolve the Warren Soultrader ability, creating a Treasure token.
  4. Activate the Treasure by tapping and sacrificing it, adding .
  5. Cast Gravecrawler from your graveyard by paying .
  6. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite lifegain triggers. Infinite lifeloss. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.

Zul Ashur, Lich Lord
6.06% of 545 decks 33 decks
Top Commanders
Wilhelt, the Rotcleaver
3.69% of 18990 decks 701 decks
Yawgmoth, Thran Physician
6.41% of 5603 decks 359 decks
Ayara, First of Locthwain
4.63% of 4836 decks 224 decks
Teysa Karlov
1.05% of 15565 decks 163 decks
Braids, Arisen Nightmare
2.07% of 7006 decks 145 decks
Gisa, the Hellraiser
2.09% of 2773 decks 58 decks
Jadar, Ghoulcaller of Nephalia
9.73% of 514 decks 50 decks
Elas il-Kor, Sadistic Pilgrim
0.68% of 6503 decks 44 decks
Mikaeus, the Unhallowed
3.09% of 1358 decks 42 decks
Chatterfang, Squirrel General
0.23% of 16776 decks 39 decks
The Scarab God
0.32% of 10459 decks 33 decks
Ghoulcaller Gisa
1.12% of 2845 decks 32 decks
Teysa, Orzhov Scion
1.17% of 2744 decks 32 decks
Grimgrin, Corpse-Born
1.51% of 2123 decks 32 decks
Sauron, the Dark Lord
0.14% of 21695 decks 31 decks
Vren, the Relentless
0.75% of 3886 decks 29 decks
Meren of Clan Nel Toth
0.19% of 15123 decks 29 decks
New Cards
Infestation Sage
79% of 106 decks +56% synergy
Stab
75% of 4 decks +31% synergy
Soul-Shackled Zombie
67% of 12 decks +50% synergy
Blasphemous Edict
64% of 294 decks +29% synergy
Withering Torment
53% of 918 decks +33% synergy
High Synergy Cards
Rooftop Storm
78% of 979 decks +76% synergy
Diregraf Captain
77% of 979 decks +73% synergy
Cruel Celebrant
70% of 498 decks +62% synergy
Necroduality
63% of 979 decks +61% synergy
Mayhem Devil
70% of 257 decks +60% synergy
Zulaport Cutthroat
69% of 2952 decks +59% synergy
Phyrexian Altar
60% of 2952 decks +56% synergy
Blood Artist
68% of 2952 decks +56% synergy
Goblin Bombardment
61% of 257 decks +55% synergy
Elas il-Kor, Sadistic Pilgrim
64% of 498 decks +53% synergy
Top Cards
Swords to Plowshares
70% of 498 decks +7% synergy
Ignoble Hierarch
69% of 42 decks +43% synergy
Ashnod's Altar
60% of 2952 decks +52% synergy
Skullclamp
59% of 2952 decks +46% synergy
Pitiless Plunderer
57% of 2952 decks +50% synergy
Carrion Feeder
57% of 2952 decks +52% synergy
Dark Ritual
56% of 2952 decks +34% synergy
Gray Merchant of Asphodel
56% of 2952 decks +47% synergy
Path to Exile
55% of 498 decks +9% synergy
Assassin's Trophy
55% of 275 decks +24% synergy
Creatures
Accursed Marauder
52% of 2267 decks +43% synergy
Eternal Witness
45% of 275 decks +25% synergy
Birds of Paradise
45% of 275 decks +18% synergy
Cleaver Skaab
45% of 979 decks +43% synergy
Poppet Stitcher
43% of 979 decks +42% synergy
Viscera Seer
42% of 2952 decks +32% synergy
The Scarab God
41% of 979 decks +39% synergy
Elenda, the Dusk Rose
41% of 498 decks +35% synergy
Hordewing Skaab
38% of 979 decks +37% synergy
Sakura-Tribe Elder
37% of 275 decks +19% synergy
Reassembling Skeleton
37% of 2952 decks +33% synergy
Midnight Reaper
36% of 2952 decks +32% synergy
Ophiomancer
35% of 2952 decks +32% synergy
Zul Ashur, Lich Lord
35% of 486 decks +32% synergy
Corpse Knight
35% of 498 decks +29% synergy
Mahadi, Emporium Master
35% of 257 decks +28% synergy
Enduring Vitality
34% of 58 decks +14% synergy
Mikaeus, the Unhallowed
33% of 2952 decks +30% synergy
Undead Augur
32% of 2952 decks +30% synergy
Marionette Apprentice
32% of 2952 decks +25% synergy
Gisa and Geralf
32% of 979 decks +30% synergy
Ayara, First of Locthwain
32% of 2952 decks +28% synergy
Bartolomé del Presidio
31% of 498 decks +24% synergy
Alesha, Who Laughs at Fate
31% of 26 decks +15% synergy
Esper Sentinel
31% of 498 decks +10% synergy
Chatterfang, Squirrel General
31% of 275 decks +25% synergy
Wight of the Reliquary
30% of 275 decks +21% synergy
Jadar, Ghoulcaller of Nephalia
29% of 2952 decks +26% synergy
Diregraf Colossus
28% of 2952 decks +27% synergy
Headless Rider
28% of 2952 decks +27% synergy
Anim Pakal, Thousandth Moon
28% of 36 decks +20% synergy
Elves of Deep Shadow
28% of 275 decks +17% synergy
Pawn of Ulamog
27% of 2952 decks +25% synergy
Teysa Karlov
27% of 498 decks +22% synergy
Protean Hulk
27% of 275 decks +26% synergy
Teysa, Orzhov Scion
27% of 498 decks +25% synergy
Crypt Ghast
27% of 2952 decks +22% synergy
Llanowar Elves
27% of 275 decks +6% synergy
Mirkwood Bats
26% of 2952 decks +14% synergy
Tireless Provisioner
26% of 275 decks +15% synergy
Camellia, the Seedmiser
26% of 149 decks +19% synergy
Plague Belcher
26% of 2952 decks +25% synergy
Death Baron
25% of 2952 decks +23% synergy
Arabella, Abandoned Doll
25% of 12 decks +15% synergy
Braids, Arisen Nightmare
25% of 2952 decks +17% synergy
Deathrite Shaman
25% of 275 decks +13% synergy
Elvish Mystic
25% of 275 decks +7% synergy
Syr Konrad, the Grim
25% of 2952 decks +16% synergy
Kambal, Profiteering Mayor
24% of 498 decks +15% synergy
Grimgrin, Corpse-Born
24% of 979 decks +23% synergy
Instants
Counterspell
52% of 979 decks +9% synergy
Anguished Unmaking
44% of 498 decks +19% synergy
Chaos Warp
37% of 257 decks +5% synergy
Beast Within
35% of 275 decks -4% synergy
An Offer You Can't Refuse
34% of 979 decks +13% synergy
Cyclonic Rift
34% of 979 decks +6% synergy
Heroic Intervention
33% of 275 decks +3% synergy
Deadly Dispute
30% of 2952 decks +19% synergy
Village Rites
30% of 2952 decks +20% synergy
Negate
30% of 979 decks +7% synergy
Vampiric Tutor
29% of 2952 decks +11% synergy
Worldly Tutor
29% of 275 decks +15% synergy
Entomb
28% of 2952 decks +21% synergy
Malakir Rebirth
27% of 2952 decks +19% synergy
Void Rend
26% of 57 decks +12% synergy
Dovin's Veto
26% of 57 decks +7% synergy
Lazotep Plating
25% of 979 decks +23% synergy
Terminate
25% of 257 decks +4% synergy
Rakdos Charm
25% of 257 decks +10% synergy
Teferi's Protection
24% of 498 decks +5% synergy
Fell the Profane
24% of 2952 decks +13% synergy
Generous Gift
23% of 498 decks -2% synergy
Arcane Denial
23% of 979 decks +4% synergy
Abrupt Decay
23% of 275 decks +13% synergy
Swan Song
23% of 979 decks +7% synergy
Deadly Rollick
23% of 2952 decks +12% synergy
Deflecting Swat
23% of 257 decks +6% synergy
Enlightened Tutor
22% of 498 decks +5% synergy
Fierce Guardianship
22% of 979 decks +4% synergy
Tragic Slip
22% of 2952 decks +18% synergy
Culling the Weak
21% of 2952 decks +17% synergy
Despark
19% of 498 decks +3% synergy
Mana Drain
18% of 979 decks +3% synergy
Bedevil
18% of 257 decks +4% synergy
Revitalizing Repast
17% of 275 decks +5% synergy
Corrupted Conviction
17% of 2952 decks +11% synergy
Flare of Malice
15% of 2952 decks +12% synergy
Cabal Ritual
15% of 2952 decks +10% synergy
Infernal Grasp
15% of 2952 decks +7% synergy
Tear Asunder
15% of 275 decks +8% synergy
Go for the Throat
14% of 2952 decks +7% synergy
Untimely Malfunction
14% of 93 decks -2% synergy
Wear // Tear
14% of 36 decks +6% synergy
Inkshield
14% of 498 decks +8% synergy
Putrefy
13% of 275 decks -2% synergy
Fracture
13% of 498 decks +6% synergy
Defile
13% of 2952 decks +10% synergy
Chord of Calling
13% of 275 decks +7% synergy
Crop Rotation
13% of 275 decks +3% synergy
Afterlife Insurance
13% of 498 decks +12% synergy
Sorceries
Feed the Swarm
53% of 2952 decks +35% synergy
Reanimate
48% of 2952 decks +32% synergy
Toxic Deluge
47% of 2952 decks +29% synergy
Victimize
45% of 2952 decks +34% synergy
Blasphemous Act
44% of 257 decks +10% synergy
Empty the Laboratory
42% of 979 decks +42% synergy
Diabolic Intent
39% of 2952 decks +30% synergy
Demonic Tutor
36% of 2952 decks +14% synergy
Damn
36% of 498 decks +20% synergy
Nature's Lore
33% of 275 decks +1% synergy
Ruinous Ultimatum
31% of 36 decks +12% synergy
Three Visits
31% of 275 decks +6% synergy
Farseek
26% of 275 decks -8% synergy
Cultivate
26% of 275 decks -20% synergy
Culling Ritual
22% of 275 decks +11% synergy
Vandalblast
22% of 257 decks +6% synergy
Distant Melody
22% of 979 decks +17% synergy
Rampant Growth
20% of 275 decks -14% synergy
Buried Alive
20% of 2952 decks +14% synergy
Damnation
19% of 2952 decks +11% synergy
Faithless Looting
19% of 257 decks +2% synergy
Zombie Apocalypse
17% of 2952 decks +15% synergy
Kodama's Reach
16% of 275 decks -15% synergy
Agadeem's Awakening
16% of 2952 decks +12% synergy
Supreme Verdict
16% of 57 decks +2% synergy
Jeska's Will
16% of 257 decks -2% synergy
Sevinne's Reclamation
15% of 498 decks +8% synergy
Unearth
15% of 2952 decks +12% synergy
Eldritch Evolution
15% of 275 decks +10% synergy
Raise the Past
15% of 47 decks +3% synergy
Living Death
15% of 2952 decks +9% synergy
Rite of Oblivion
13% of 498 decks +11% synergy
Dread Return
13% of 2952 decks +8% synergy
Army of the Damned
13% of 2952 decks +11% synergy
Sign in Blood
13% of 2952 decks +4% synergy
Pest Infestation
13% of 275 decks +11% synergy
Eerie Ultimatum
12% of 51 decks -1% synergy
Gamble
12% of 257 decks +2% synergy
Flare of Cultivation
11% of 275 decks +8% synergy
Rise of the Witch-king
11% of 275 decks +4% synergy
Bala Ged Recovery
11% of 275 decks +2% synergy
Grim Tutor
10% of 2952 decks +6% synergy
Unmarked Grave
10% of 2952 decks +7% synergy
Farewell
10% of 498 decks -4% synergy
Insatiable Avarice
10% of 2952 decks +5% synergy
Night's Whisper
10% of 2952 decks +1% synergy
Rootcast Apprenticeship
9% of 86 decks +4% synergy
Life from the Loam
9% of 275 decks +5% synergy
Finale of Devastation
9% of 275 decks +1% synergy
Beseech the Mirror
9% of 2952 decks +5% synergy
Utility Artifacts
Jet Medallion
44% of 2952 decks +41% synergy
Bolas's Citadel
28% of 2952 decks +18% synergy
Bontu's Monument
26% of 2952 decks +24% synergy
Lightning Greaves
20% of 2952 decks -6% synergy
Altar of Dementia
18% of 2952 decks +16% synergy
Birthing Pod
14% of 275 decks +12% synergy
Swiftfoot Boots
12% of 2952 decks -16% synergy
Urabrask's Forge
11% of 257 decks +9% synergy
Wayfarer's Bauble
9% of 2952 decks -1% synergy
The One Ring
9% of 2952 decks +0% synergy
Expedition Map
8% of 2952 decks +5% synergy
Wand of Orcus
8% of 2952 decks +7% synergy
Genesis Chamber
7% of 2952 decks +6% synergy
Banner of Kinship
6% of 294 decks -6% synergy
Wishclaw Talisman
6% of 2952 decks +1% synergy
The Reaver Cleaver
6% of 257 decks +2% synergy
Aetherflux Reservoir
6% of 2952 decks +2% synergy
Chitterspitter
6% of 275 decks +5% synergy
Sensei's Divining Top
6% of 2952 decks +0% synergy
Blasting Station
6% of 2952 decks +5% synergy
Conduit of Worlds
5% of 275 decks -1% synergy
Enchantments
Grave Pact
42% of 2952 decks +38% synergy
Smothering Tithe
42% of 498 decks +17% synergy
Impact Tremors
41% of 257 decks +31% synergy
Funeral Room // Awakening Hall
38% of 1187 decks +33% synergy
The Meathook Massacre
35% of 2952 decks +30% synergy
Kindred Discovery
32% of 979 decks +24% synergy
Dreadhorde Invasion
28% of 2952 decks +26% synergy
Moldervine Reclamation
28% of 275 decks +19% synergy
Rhystic Study
27% of 979 decks -1% synergy
Dictate of Erebos
26% of 2952 decks +22% synergy
Black Market Connections
23% of 2952 decks +12% synergy
Phyrexian Arena
23% of 2952 decks +8% synergy
Bitterblossom
23% of 2952 decks +19% synergy
Insidious Roots
22% of 275 decks +14% synergy
Animate Dead
21% of 2952 decks +11% synergy
Anointed Procession
19% of 498 decks +10% synergy
Into the Pit
18% of 620 decks +13% synergy
Lunar Convocation
17% of 236 decks +10% synergy
Riveteers Ascendancy
17% of 42 decks +12% synergy
Rhythm of the Wild
17% of 42 decks -7% synergy
Black Market
17% of 2952 decks +12% synergy
Mystic Remora
16% of 979 decks -2% synergy
Abzan Ascendancy
16% of 51 decks +14% synergy
Endless Ranks of the Dead
16% of 2952 decks +14% synergy
Sylvan Library
15% of 275 decks +4% synergy
Necropotence
15% of 2952 decks +10% synergy
Walk-In Closet // Forgotten Cellar
15% of 27 decks -0% synergy
Blind Obedience
15% of 498 decks +8% synergy
Reflections of Littjara
14% of 979 decks +9% synergy
Caretaker's Talent
14% of 199 decks +2% synergy
Warleader's Call
14% of 36 decks +3% synergy
Aura Shards
14% of 51 decks +5% synergy
Chthonian Nightmare
13% of 2952 decks +10% synergy
Nest of Scarabs
12% of 2952 decks +11% synergy
Blight Mound
12% of 2952 decks +11% synergy
Skrelv's Hive
12% of 498 decks +9% synergy
Parallel Lives
12% of 275 decks +4% synergy
Assemble the Legion
11% of 36 decks +7% synergy
Meathook Massacre II
10% of 1187 decks +6% synergy
Birthing Ritual
10% of 230 decks +8% synergy
Phyrexian Reclamation
9% of 2952 decks +6% synergy
Dark Prophecy
9% of 2952 decks +8% synergy
Exquisite Blood
9% of 2952 decks +4% synergy
Land Tax
8% of 498 decks +2% synergy
Awakening Zone
8% of 275 decks +6% synergy
Mirari's Wake
8% of 51 decks -6% synergy
Open the Graves
8% of 2952 decks +6% synergy
Cindervines
7% of 42 decks +6% synergy
Sanguine Bond
7% of 2952 decks +1% synergy
Dazzling Theater // Prop Room
7% of 72 decks -14% synergy
Planeswalkers
Liliana, Dreadhorde General
31% of 2952 decks +28% synergy
Teferi, Time Raveler
11% of 57 decks +4% synergy
Liliana, Death's Majesty
9% of 2952 decks +7% synergy
Liliana, Untouched by Death
6% of 2952 decks +6% synergy
Elspeth, Sun's Champion
6% of 498 decks +2% synergy
Grist, the Hunger Tide
6% of 275 decks +2% synergy
Tevesh Szat, Doom of Fools
6% of 2952 decks +4% synergy
Utility Lands
Bojuka Bog
52% of 2952 decks +22% synergy
Phyrexian Tower
51% of 2952 decks +43% synergy
Urborg, Tomb of Yawgmoth
45% of 2952 decks +36% synergy
Cabal Coffers
42% of 2952 decks +31% synergy
Reliquary Tower
30% of 2952 decks +1% synergy
Boseiju, Who Endures
27% of 275 decks +8% synergy
Takenuma, Abandoned Mire
24% of 2952 decks +14% synergy
Nykthos, Shrine to Nyx
22% of 2952 decks +16% synergy
Castle Locthwain
19% of 2952 decks +13% synergy
Cabal Stronghold
19% of 2952 decks +15% synergy
Spymaster's Vault
17% of 2952 decks +13% synergy
Three Tree City
16% of 1692 decks +6% synergy
Ancient Tomb
15% of 2952 decks +5% synergy
High Market
15% of 2952 decks +12% synergy
Castle Ardenvale
15% of 498 decks +10% synergy
Vault of the Archangel
15% of 498 decks +4% synergy
Otawara, Soaring City
15% of 979 decks -2% synergy
Unholy Grotto
15% of 2952 decks +14% synergy
Witch's Cottage
14% of 2952 decks +11% synergy
Shifting Woodland
14% of 275 decks +5% synergy
Mortuary Mire
14% of 2952 decks +9% synergy
Eiganjo, Seat of the Empire
13% of 498 decks +4% synergy
Kher Keep
12% of 257 decks +9% synergy
Field of the Dead
12% of 2952 decks +8% synergy
Sokenzan, Crucible of Defiance
12% of 257 decks +7% synergy
The Shire
9% of 275 decks +5% synergy
Crypt of Agadeem
9% of 2952 decks +8% synergy
Urza's Saga
9% of 2952 decks +2% synergy
Grim Backwoods
9% of 275 decks +5% synergy
Dryad Arbor
9% of 275 decks +5% synergy
Restless Cottage
9% of 275 decks +4% synergy
War Room
8% of 2952 decks +2% synergy
Fountainport
8% of 1397 decks +4% synergy
Westvale Abbey
7% of 2952 decks +5% synergy
Gaea's Cradle
7% of 275 decks +1% synergy
Mines of Moria
6% of 257 decks +2% synergy
Minas Tirith
6% of 498 decks -3% synergy
Barad-dûr
6% of 2952 decks +3% synergy
Mana Artifacts
Sol Ring
93% of 2952 decks +9% synergy
Arcane Signet
82% of 2952 decks +9% synergy
Talisman of Dominance
76% of 979 decks +44% synergy
Talisman of Hierarchy
58% of 498 decks +33% synergy
Dimir Signet
57% of 979 decks +27% synergy
Talisman of Creativity
56% of 54 decks +27% synergy
Talisman of Conviction
53% of 36 decks +30% synergy
Talisman of Indulgence
51% of 257 decks +25% synergy
Orzhov Signet
45% of 498 decks +18% synergy
Rakdos Signet
33% of 257 decks +3% synergy
Relic of Sauron
31% of 54 decks +20% synergy
Talisman of Progress
28% of 57 decks +5% synergy
Talisman of Resilience
27% of 275 decks +15% synergy
Fellwar Stone
23% of 2952 decks +2% synergy
Mind Stone
20% of 2952 decks +3% synergy
Golgari Signet
20% of 275 decks +7% synergy
Thought Vessel
20% of 2952 decks +3% synergy
Crowded Crypt
19% of 2952 decks +18% synergy
Izzet Signet
17% of 54 decks -12% synergy
Talisman of Curiosity
14% of 36 decks +1% synergy
Patchwork Banner
13% of 1496 decks +3% synergy
Azorius Signet
12% of 57 decks -14% synergy
Talisman of Impulse
10% of 42 decks +1% synergy
Lotus Petal
9% of 2952 decks +3% synergy
Charcoal Diamond
8% of 2952 decks +3% synergy
Boros Signet
8% of 36 decks -15% synergy
Commander's Sphere
8% of 2952 decks -7% synergy
Chrome Mox
8% of 2952 decks +2% synergy
Mana Vault
8% of 2952 decks +2% synergy
Gruul Signet
7% of 42 decks -5% synergy
Mox Amber
6% of 2952 decks +2% synergy
Talisman of Unity
6% of 51 decks -1% synergy
Springleaf Drum
6% of 2952 decks +4% synergy
Mana Crypt
5% of 2952 decks -3% synergy
Lands
Sunken Hollow
73% of 979 decks +38% synergy
Godless Shrine
68% of 498 decks +28% synergy
Isolated Chapel
66% of 498 decks +38% synergy
Overgrown Tomb
65% of 275 decks +23% synergy
Tainted Isle
63% of 979 decks +52% synergy
Dragonskull Summit
63% of 257 decks +32% synergy
Stomping Ground
62% of 42 decks +21% synergy
Steam Vents
61% of 54 decks +22% synergy
Temple Garden
61% of 51 decks +20% synergy
Drowned Catacomb
60% of 979 decks +35% synergy
Caves of Koilos
60% of 498 decks +32% synergy
Watery Grave
58% of 979 decks +17% synergy
Woodland Cemetery
58% of 275 decks +30% synergy
Blood Crypt
58% of 257 decks +19% synergy
Xander's Lounge
57% of 54 decks +30% synergy
Ziatora's Proving Ground
57% of 42 decks +25% synergy
Command Tower
57% of 2952 decks -17% synergy
Raffine's Tower
54% of 57 decks +27% synergy
Smoldering Marsh
54% of 257 decks +21% synergy
Vault of Champions
54% of 498 decks +28% synergy
Llanowar Wastes
53% of 275 decks +27% synergy
Shipwreck Marsh
53% of 979 decks +34% synergy
Breeding Pool
53% of 36 decks +12% synergy
Hallowed Fountain
53% of 57 decks +12% synergy
Choked Estuary
52% of 979 decks +36% synergy
Darkwater Catacombs
52% of 979 decks +37% synergy
Training Center
50% of 54 decks +23% synergy
Undergrowth Stadium
49% of 275 decks +23% synergy
Underground River
48% of 979 decks +29% synergy
Luxury Suite
48% of 257 decks +21% synergy
Tainted Field
48% of 498 decks +34% synergy
Sulfurous Springs
46% of 257 decks +26% synergy
Morphic Pool
46% of 979 decks +20% synergy
Nomad Outpost
44% of 36 decks +17% synergy
Indatha Triome
43% of 51 decks +12% synergy
Spire Garden
43% of 42 decks +19% synergy
Clifftop Retreat
42% of 36 decks +13% synergy
Shivan Reef
37% of 54 decks +10% synergy
Opulent Palace
36% of 36 decks +9% synergy
Savai Triome
36% of 36 decks +9% synergy
Zagoth Triome
36% of 36 decks +6% synergy
Temple of Deceit
36% of 979 decks +19% synergy
Haunted Ridge
35% of 257 decks +19% synergy
Clearwater Pathway
35% of 979 decks +25% synergy
Contaminated Landscape
34% of 41 decks +21% synergy
Blazemire Verge
34% of 113 decks +13% synergy
Gloomlake Verge
33% of 403 decks +15% synergy
Hinterland Harbor
33% of 36 decks +6% synergy
Arcane Sanctum
33% of 57 decks +6% synergy
Sulfur Falls
33% of 54 decks +3% synergy