Eerie Ultimatum + Mitotic Slime + Phyrexian Altar + Eternal Witness

Eerie Ultimatum
Mitotic Slime
Phyrexian Altar
Eternal Witness

Requires
Eerie Ultimatum must be in hand. Mitotic Slime must be on the battlefield. Phyrexian Altar must be on the battlefield. Eternal Witness must be on the battlefield.
Steps
  1. Activate Phyrexian Altar twice by sacrificing Mitotic Slime and Eternal Witness, adding .
  2. When Mitotic Slime dies, it triggers, creating two 2/2 Ooze creature tokens.
  3. Activate Phyrexian Altar twice by sacrificing the Oozes, adding .
  4. When the Oozes die, they trigger, creating four 1/1 Ooze creature tokens.
  5. Activate Phyrexian Altar three times by sacrificing three Oozes, adding .
  6. Cast Eerie Ultimatum by paying , returning Eternal Witness and Mitotic Slime to the battlefield from your graveyard.
  7. When Eternal Witness enters the battlefield, it triggers, returning Eerie Ultimatum from your graveyard to your hand.
  8. Repeat.
Results
Infinite colored mana. Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite magecraft triggers. Infinite sacrifice triggers. Infinite storm count.

Karador, Ghost Chieftain
0.04% of 5443 decks 2 decks
Thalia and The Gitrog Monster
0.01% of 12491 decks 1 decks
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0.73% of 137 decks 1 decks
High Synergy Cards
Ashnod's Altar
100% of 4 decks +85% synergy
Sakura-Tribe Elder
100% of 4 decks +77% synergy
Creatures
Accursed Marauder
100% of 1 decks +94% synergy
Yawgmoth, Thran Physician
75% of 4 decks +69% synergy
Syr Konrad, the Grim
75% of 4 decks +68% synergy
Zulaport Cutthroat
75% of 4 decks +63% synergy
Elas il-Kor, Sadistic Pilgrim
75% of 4 decks +60% synergy
Viscera Seer
75% of 4 decks +59% synergy
Charismatic Conqueror
50% of 2 decks +48% synergy
Elenda, the Dusk Rose
50% of 4 decks +48% synergy
Drivnod, Carnage Dominus
50% of 4 decks +48% synergy
Massacre Wurm
50% of 4 decks +48% synergy
Poison-Tip Archer
50% of 4 decks +47% synergy
Meren of Clan Nel Toth
50% of 4 decks +47% synergy
Woe Strider
50% of 4 decks +46% synergy
Springbloom Druid
50% of 4 decks +45% synergy
Protean Hulk
50% of 4 decks +45% synergy
Luminous Broodmoth
50% of 4 decks +45% synergy
Wood Elves
50% of 4 decks +43% synergy
Karmic Guide
50% of 4 decks +42% synergy
Cruel Celebrant
50% of 4 decks +42% synergy
Bartolomé del Presidio
50% of 2 decks +42% synergy
Avenger of Zendikar
50% of 4 decks +39% synergy
Blood Artist
50% of 4 decks +38% synergy
Mondrak, Glory Dominus
50% of 4 decks +37% synergy
Woodland Acolyte
33% of 3 decks +33% synergy
Orcish Bowmasters
33% of 3 decks +25% synergy
Mirkwood Bats
33% of 3 decks +7% synergy
False Prophet
25% of 4 decks +25% synergy
Canoptek Scarab Swarm
25% of 4 decks +25% synergy
Corpse Augur
25% of 4 decks +25% synergy
Endrek Sahr, Master Breeder
25% of 4 decks +25% synergy
Whisperwood Elemental
25% of 4 decks +25% synergy
Torsten, Founder of Benalia
25% of 4 decks +25% synergy
Primal Druid
25% of 4 decks +25% synergy
Liliana's Standard Bearer
25% of 4 decks +25% synergy
Jolrael, Mwonvuli Recluse
25% of 4 decks +25% synergy
Diligent Farmhand
25% of 4 decks +25% synergy
Lord of the Forsaken
25% of 4 decks +25% synergy
Dreadhound
25% of 4 decks +24% synergy
Dawntreader Elk
25% of 4 decks +24% synergy
Abdel Adrian, Gorion's Ward
25% of 4 decks +24% synergy
Serra Paragon
25% of 4 decks +24% synergy
Soul of the Harvest
25% of 4 decks +24% synergy
Harvester of Souls
25% of 4 decks +24% synergy
Ophiomancer
25% of 4 decks +24% synergy
Smothering Abomination
25% of 4 decks +24% synergy
Kokusho, the Evening Star
25% of 4 decks +24% synergy
Jarad, Golgari Lich Lord
25% of 4 decks +24% synergy
Hallowed Spiritkeeper
25% of 4 decks +24% synergy
Fleshbag Marauder
25% of 4 decks +24% synergy
Butcher of Malakir
25% of 4 decks +24% synergy
Instants
Entomb
50% of 4 decks +40% synergy
Assassin's Trophy
50% of 4 decks +19% synergy
Swords to Plowshares
50% of 4 decks -13% synergy
Reap
25% of 4 decks +25% synergy
Reclaim
25% of 4 decks +25% synergy
Darkblast
25% of 4 decks +25% synergy
Wake the Dead
25% of 4 decks +25% synergy
Mausoleum Secrets
25% of 4 decks +25% synergy
Stinging Study
25% of 4 decks +24% synergy
Inkshield
25% of 4 decks +23% synergy
Plumb the Forbidden
25% of 4 decks +23% synergy
Roiling Regrowth
25% of 4 decks +22% synergy
Deadly Dispute
25% of 4 decks +19% synergy
Village Rites
25% of 4 decks +19% synergy
Grisly Salvage
25% of 4 decks +17% synergy
Crop Rotation
25% of 4 decks +11% synergy
Generous Gift
25% of 4 decks +9% synergy
Beast Within
25% of 4 decks -4% synergy
Anguished Unmaking
25% of 4 decks -5% synergy
Path to Exile
25% of 4 decks -20% synergy
Sorceries
Farseek
75% of 4 decks +31% synergy
Eldritch Evolution
50% of 4 decks +45% synergy
Dread Return
50% of 4 decks +44% synergy
Diabolic Intent
50% of 4 decks +42% synergy
Life from the Loam
50% of 4 decks +39% synergy
Three Visits
50% of 4 decks +28% synergy
Nature's Lore
50% of 4 decks +19% synergy
Cultivate
50% of 4 decks +4% synergy
Lich-Knights' Conquest
33% of 3 decks +31% synergy
Ghoulcaller's Harvest
25% of 4 decks +25% synergy
Growth Spasm
25% of 4 decks +25% synergy
Spider Spawning
25% of 4 decks +25% synergy
Army of the Damned
25% of 4 decks +25% synergy
Diregraf Rebirth
25% of 4 decks +25% synergy
Genesis Wave
25% of 4 decks +24% synergy
Stitch Together
25% of 4 decks +24% synergy
Turntimber Symbiosis
25% of 4 decks +24% synergy
Rise of the Dark Realms
25% of 4 decks +24% synergy
Pest Infestation
25% of 4 decks +24% synergy
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25% of 4 decks +24% synergy
Jarad's Orders
25% of 4 decks +23% synergy
Sylvan Scrying
25% of 4 decks +23% synergy
Agadeem's Awakening
25% of 4 decks +22% synergy
Sign in Blood
25% of 4 decks +22% synergy
Unmarked Grave
25% of 4 decks +21% synergy
Living Death
25% of 4 decks +21% synergy
Sevinne's Reclamation
25% of 4 decks +20% synergy
Victimize
25% of 4 decks +18% synergy
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25% of 4 decks +17% synergy
Bala Ged Recovery
25% of 4 decks +16% synergy
Kodama's Reach
25% of 4 decks -1% synergy
Utility Artifacts
Birthing Pod
75% of 4 decks +70% synergy
Skullclamp
50% of 4 decks +35% synergy
Weatherlight Compleated
25% of 4 decks +25% synergy
Spawning Pit
25% of 4 decks +25% synergy
Perpetual Timepiece
25% of 4 decks +22% synergy
Crucible of Worlds
25% of 4 decks +15% synergy
Conduit of Worlds
25% of 4 decks +11% synergy
Enchantments
Greater Good
50% of 4 decks +46% synergy
The Meathook Massacre
50% of 4 decks +45% synergy
Martyr's Cause
25% of 4 decks +25% synergy
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25% of 4 decks +24% synergy
Gift of Immortality
25% of 4 decks +24% synergy
Debtors' Knell
25% of 4 decks +24% synergy
Awakening Zone
25% of 4 decks +24% synergy
Evolutionary Leap
25% of 4 decks +23% synergy
Grave Pact
25% of 4 decks +22% synergy
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25% of 4 decks +22% synergy
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25% of 4 decks +22% synergy
Deadbridge Chant
25% of 4 decks +21% synergy
Bastion of Remembrance
25% of 4 decks +20% synergy
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25% of 4 decks +18% synergy
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Moldervine Reclamation
25% of 4 decks +15% synergy
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25% of 4 decks +8% synergy
Planeswalkers
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50% of 4 decks +48% synergy
Elspeth, Sun's Champion
25% of 4 decks +23% synergy
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25% of 4 decks +21% synergy
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25% of 4 decks +21% synergy
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75% of 4 decks +45% synergy
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50% of 4 decks +44% synergy
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50% of 4 decks +42% synergy
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50% of 4 decks +39% synergy
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50% of 4 decks +35% synergy
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50% of 4 decks +29% synergy
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25% of 4 decks +25% synergy
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25% of 4 decks +25% synergy
Khalni Garden
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25% of 4 decks +24% synergy
Geier Reach Sanitarium
25% of 4 decks +22% synergy
Grim Backwoods
25% of 4 decks +21% synergy
Dakmor Salvage
25% of 4 decks +21% synergy
Cabal Coffers
25% of 4 decks +20% synergy
Dryad Arbor
25% of 4 decks +20% synergy
Takenuma, Abandoned Mire
25% of 4 decks +12% synergy
Boseiju, Who Endures
25% of 4 decks +3% synergy
Yavimaya, Cradle of Growth
25% of 4 decks -2% synergy
Mana Artifacts
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100% of 4 decks +20% synergy
Arcane Signet
50% of 4 decks -15% synergy
Selesnya Signet
25% of 4 decks +17% synergy
Orzhov Signet
25% of 4 decks +17% synergy
Golgari Signet
25% of 4 decks +14% synergy
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100% of 4 decks +9% synergy
Darkbore Pathway
75% of 4 decks +67% synergy
Branchloft Pathway
75% of 4 decks +66% synergy
Llanowar Wastes
75% of 4 decks +48% synergy
Caves of Koilos
75% of 4 decks +48% synergy
Undergrowth Stadium
75% of 4 decks +42% synergy
Sunpetal Grove
75% of 4 decks +41% synergy
Marsh Flats
75% of 4 decks +40% synergy
Verdant Catacombs
75% of 4 decks +40% synergy
Indatha Triome
75% of 4 decks +31% synergy
Godless Shrine
75% of 4 decks +29% synergy
Temple Garden
75% of 4 decks +28% synergy
Overgrown Tomb
75% of 4 decks +27% synergy
Sandsteppe Citadel
75% of 4 decks +24% synergy
Exotic Orchard
75% of 4 decks +20% synergy
Fetid Heath
50% of 4 decks +44% synergy
Brightclimb Pathway
50% of 4 decks +42% synergy
Tainted Wood
50% of 4 decks +39% synergy
Deathcap Glade
50% of 4 decks +35% synergy
Shineshadow Snarl
50% of 4 decks +29% synergy
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50% of 4 decks +29% synergy
Brushland
50% of 4 decks +25% synergy
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50% of 4 decks +21% synergy
Bountiful Promenade
50% of 4 decks +19% synergy
Windswept Heath
50% of 4 decks +16% synergy
Isolated Chapel
50% of 4 decks +15% synergy
Woodland Cemetery
50% of 4 decks +13% synergy
Canopy Vista
50% of 4 decks +5% synergy
Wooded Bastion
25% of 4 decks +21% synergy
Sunlit Marsh
25% of 4 decks +19% synergy
Twilight Mire
25% of 4 decks +19% synergy
Tainted Field
25% of 4 decks +14% synergy
Sungrass Prairie
25% of 4 decks +13% synergy
Scattered Groves
25% of 4 decks +12% synergy
Fabled Passage
25% of 4 decks +11% synergy
Orzhov Basilica
25% of 4 decks +9% synergy
Krosan Verge
25% of 4 decks +9% synergy
Terramorphic Expanse
25% of 4 decks +8% synergy
Selesnya Sanctuary
25% of 4 decks +7% synergy
Golgari Rot Farm
25% of 4 decks +6% synergy
Fortified Village
25% of 4 decks +3% synergy
Path of Ancestry
25% of 4 decks -1% synergy
Evolving Wilds
25% of 4 decks -3% synergy