Witch Engine + Corpse Dance + Ashnod's Altar

Witch Engine
Corpse Dance
Ashnod's Altar

Requires
Witch Engine must be on the battlefield. Corpse Dance must be in hand. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Witch Engine by tapping it, targeting any opponent.
  2. Holding priority, activate Ashnod's Altar by sacrificing Witch Engine, adding .
  3. Resolve the Witch Engine ability, adding and not giving control of Witch Engine to an opponent due to it no longer being on the battlefield.
  4. Cast Corpse Dance with buyback by paying 4, returning Witch Engine from your graveyard to the battlefield with haste, and returning Corpse Dance to your hand.
  5. Repeat.
Results
Infinite black mana. Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite magecraft triggers. Infinite sacrifice triggers. Infinite storm count.

Chainer, Dementia Master
0.06% of 1677 decks 1 decks
Ozox, the Clattering King
0.20% of 504 decks 1 decks
Blex, Vexing Pest
0.16% of 637 decks 1 decks
Varragoth, Bloodsky Sire
0.06% of 1565 decks 1 decks
Maga, Traitor to Mortals
0.46% of 217 decks 1 decks
Armix, Filigree Thrasher // Tevesh Szat, Doom of Fools
3.03% of 33 decks 1 decks
Sarulf, Realm Eater
0.05% of 2173 decks 1 decks
Judith, the Scourge Diva
0.11% of 915 decks 1 decks
High Synergy Cards
Altar of Dementia
50% of 8 decks +47% synergy
Entomb
50% of 8 decks +43% synergy
Phyrexian Tower
50% of 8 decks +41% synergy
Dark Ritual
62% of 8 decks +40% synergy
Bojuka Bog
50% of 8 decks +20% synergy
Game Changers
Vorinclex, Voice of Hunger
50% of 2 decks +48% synergy
Vampiric Tutor
50% of 8 decks +33% synergy
Demonic Tutor
50% of 8 decks +29% synergy
Bolas's Citadel
25% of 8 decks +16% synergy
Ancient Tomb
25% of 8 decks +15% synergy
Glacial Chasm
12% of 8 decks +12% synergy
Lion's Eye Diamond
12% of 8 decks +11% synergy
Grim Monolith
12% of 8 decks +11% synergy
Mox Diamond
12% of 8 decks +8% synergy
Imperial Seal
12% of 8 decks +7% synergy
Creatures
Lyzolda, the Blood Witch
100% of 1 decks +100% synergy
Hissing Iguanar
100% of 1 decks +100% synergy
Akul the Unrepentant
100% of 1 decks +99% synergy
Anax, Hardened in the Forge
100% of 1 decks +99% synergy
Bladewing, Deathless Tyrant
100% of 1 decks +99% synergy
Rakdos, the Muscle
100% of 1 decks +98% synergy
Garna, Bloodfist of Keld
100% of 1 decks +98% synergy
Juri, Master of the Revue
100% of 1 decks +96% synergy
Mahadi, Emporium Master
100% of 1 decks +94% synergy
Mayhem Devil
100% of 1 decks +90% synergy
Verdurous Gearhulk
50% of 2 decks +50% synergy
Woodfall Primus
50% of 2 decks +49% synergy
Elder Gargaroth
50% of 2 decks +49% synergy
Mosswood Dreadknight
50% of 2 decks +48% synergy
Witherbloom Apprentice
50% of 2 decks +48% synergy
Terastodon
50% of 2 decks +47% synergy
Ashaya, Soul of the Wild
50% of 2 decks +47% synergy
Gyre Sage
50% of 2 decks +46% synergy
Beledros Witherbloom
50% of 2 decks +46% synergy
Incubation Druid
50% of 2 decks +45% synergy
Six
50% of 2 decks +45% synergy
Forgotten Ancient
50% of 2 decks +44% synergy
Seedborn Muse
50% of 2 decks +42% synergy
Sakura-Tribe Elder
50% of 2 decks +32% synergy
Initiates of the Ebon Hand
38% of 8 decks +37% synergy
Blood Vassal
38% of 8 decks +37% synergy
Bog Initiate
38% of 8 decks +37% synergy
Priest of Gix
38% of 8 decks +37% synergy
Mikaeus, the Unhallowed
38% of 8 decks +35% synergy
Gravecrawler
38% of 8 decks +34% synergy
Reassembling Skeleton
38% of 8 decks +34% synergy
Viscera Seer
38% of 8 decks +29% synergy
Forsaken Miner
29% of 7 decks +28% synergy
Warren Soultrader
29% of 7 decks +23% synergy
Overeager Apprentice
25% of 8 decks +25% synergy
Basal Thrull
25% of 8 decks +25% synergy
Cathodion
25% of 8 decks +25% synergy
Soldevi Adnate
25% of 8 decks +25% synergy
Illuminor Szeras
25% of 8 decks +24% synergy
Bloodsoaked Champion
25% of 8 decks +24% synergy
Sifter of Skulls
25% of 8 decks +24% synergy
Blood Pet
25% of 8 decks +24% synergy
Nether Traitor
25% of 8 decks +24% synergy
Myr Retriever
25% of 8 decks +23% synergy
Ruthless Technomancer
25% of 8 decks +23% synergy
Woe Strider
25% of 8 decks +23% synergy
Midnight Reaper
25% of 8 decks +21% synergy
Carrion Feeder
25% of 8 decks +20% synergy
Pitiless Plunderer
25% of 8 decks +17% synergy
Zulaport Cutthroat
25% of 8 decks +16% synergy
Instants
Veil of Summer
100% of 2 decks +94% synergy
Abrade
100% of 1 decks +89% synergy
Bedevil
100% of 1 decks +86% synergy
Rakdos Charm
100% of 1 decks +85% synergy
Assassin's Trophy
100% of 2 decks +70% synergy
Beast Within
100% of 2 decks +63% synergy
Decree of Savagery
50% of 2 decks +50% synergy
Awakening of Vitu-Ghazi
50% of 2 decks +50% synergy
Sprout Swarm
50% of 2 decks +50% synergy
Benefactor's Draught
50% of 2 decks +50% synergy
Vastwood Fortification
50% of 2 decks +49% synergy
Vines of Vastwood
50% of 2 decks +49% synergy
Invigorating Surge
50% of 2 decks +49% synergy
Constant Mists
50% of 2 decks +49% synergy
Inscription of Abundance
50% of 2 decks +48% synergy
Arachnogenesis
50% of 2 decks +48% synergy
Deathsprout
50% of 2 decks +46% synergy
Collective Resistance
50% of 2 decks +46% synergy
Noxious Revival
50% of 2 decks +45% synergy
Golgari Charm
50% of 2 decks +45% synergy
Tear Asunder
50% of 2 decks +44% synergy
Nature's Claim
50% of 2 decks +42% synergy
Revitalizing Repast
50% of 2 decks +41% synergy
Harrow
50% of 2 decks +41% synergy
Crop Rotation
50% of 2 decks +40% synergy
Abrupt Decay
50% of 2 decks +40% synergy
Return of the Wildspeaker
50% of 2 decks +37% synergy
Heroic Intervention
50% of 2 decks +20% synergy
Culling the Weak
38% of 8 decks +34% synergy
Cabal Ritual
38% of 8 decks +33% synergy
Malakir Rebirth
38% of 8 decks +30% synergy
Sacrifice
25% of 8 decks +24% synergy
Null Elemental Blast
14% of 7 decks +13% synergy
Smother
12% of 8 decks +12% synergy
Urborg Justice
12% of 8 decks +12% synergy
Subtle Strike
12% of 8 decks +12% synergy
Devour in Shadow
12% of 8 decks +12% synergy
Moonlight Bargain
12% of 8 decks +12% synergy
Dash Hopes
12% of 8 decks +12% synergy
Stunning Reversal
12% of 8 decks +12% synergy
Diabolic Edict
12% of 8 decks +12% synergy
Vendetta
12% of 8 decks +12% synergy
Darkblast
12% of 8 decks +12% synergy
Shallow Grave
12% of 8 decks +12% synergy
Heartless Act
12% of 8 decks +12% synergy
Mausoleum Secrets
12% of 8 decks +12% synergy
Slaughter Pact
12% of 8 decks +12% synergy
Rise of the Dread Marn
12% of 8 decks +12% synergy
Songs of the Damned
12% of 8 decks +11% synergy
Snuff Out
12% of 8 decks +10% synergy
Sorceries
Molten Collapse
100% of 1 decks +99% synergy
Three Visits
100% of 2 decks +76% synergy
Chain of Acid
50% of 2 decks +50% synergy
Blessings of Nature
50% of 2 decks +50% synergy
Wurmcalling
50% of 2 decks +50% synergy
Soul's Might
50% of 2 decks +50% synergy
Healing Technique
50% of 2 decks +50% synergy
Bygone Marvels
50% of 2 decks +50% synergy
Seasons Past
50% of 2 decks +49% synergy
Worm Harvest
50% of 2 decks +49% synergy
Chatterstorm
50% of 2 decks +49% synergy
Pest Infestation
50% of 2 decks +48% synergy
Open the Way
50% of 2 decks +48% synergy
Search for Tomorrow
50% of 2 decks +47% synergy
Regrowth
50% of 2 decks +47% synergy
Life from the Loam
50% of 2 decks +46% synergy
Green Sun's Zenith
50% of 2 decks +44% synergy
Overwhelming Stampede
50% of 2 decks +44% synergy
Bala Ged Recovery
50% of 2 decks +42% synergy
Explore
50% of 2 decks +41% synergy
Rishkar's Expertise
50% of 2 decks +40% synergy
Culling Ritual
50% of 2 decks +39% synergy
Kodama's Reach
50% of 2 decks +20% synergy
Nature's Lore
50% of 2 decks +18% synergy
Farseek
50% of 2 decks +16% synergy
Rampant Growth
50% of 2 decks +16% synergy
Cultivate
50% of 2 decks +5% synergy
Tendrils of Agony
38% of 8 decks +37% synergy
Buried Alive
38% of 8 decks +32% synergy
Diabolic Intent
38% of 8 decks +29% synergy
Reanimate
38% of 8 decks +21% synergy
Drain Life
25% of 8 decks +25% synergy
Bubbling Muck
25% of 8 decks +24% synergy
Unmarked Grave
25% of 8 decks +23% synergy
Peer into the Abyss
25% of 8 decks +22% synergy
Grim Tutor
25% of 8 decks +21% synergy
Victimize
25% of 8 decks +13% synergy
Final Vengeance
20% of 5 decks +19% synergy
Demonic Counsel
20% of 5 decks +18% synergy
Blasphemous Edict
20% of 5 decks +13% synergy
Stargaze
17% of 6 decks +16% synergy
Diresight
17% of 6 decks +15% synergy
Fell
17% of 6 decks +15% synergy
Final Act
14% of 7 decks +14% synergy
Lively Dirge
14% of 7 decks +13% synergy
Insatiable Avarice
14% of 7 decks +11% synergy
Brush with Death
12% of 8 decks +12% synergy
Soul Burn
12% of 8 decks +12% synergy
Nightmare Void
12% of 8 decks +12% synergy
Skulltap
12% of 8 decks +12% synergy
Utility Artifacts
The Great Henge
50% of 2 decks +40% synergy
Jet Medallion
38% of 8 decks +34% synergy
Phyrexian Altar
38% of 8 decks +34% synergy
Lotus Petal
38% of 8 decks +31% synergy
Mind Stone
38% of 8 decks +21% synergy
Blasting Station
25% of 8 decks +24% synergy
Aetherflux Reservoir
25% of 8 decks +22% synergy
Skullclamp
25% of 8 decks +13% synergy
Commander's Sphere
25% of 8 decks +10% synergy
Sword of Wealth and Power
14% of 7 decks +13% synergy
Soul Net
12% of 8 decks +12% synergy
Onyx Talisman
12% of 8 decks +12% synergy
Memory Crystal
12% of 8 decks +12% synergy
Brain in a Jar
12% of 8 decks +12% synergy
Paleontologist's Pick-Axe
12% of 8 decks +12% synergy
Witchbane Orb
12% of 8 decks +12% synergy
Sentinel Totem
12% of 8 decks +12% synergy
The Stasis Coffin
12% of 8 decks +12% synergy
Embalmer's Tools
12% of 8 decks +12% synergy
Lantern of the Lost
12% of 8 decks +12% synergy
The Moment
12% of 8 decks +12% synergy
Lotus Blossom
12% of 8 decks +12% synergy
Skeleton Shard
12% of 8 decks +12% synergy
Magistrate's Scepter
12% of 8 decks +12% synergy
Sword of the Paruns
12% of 8 decks +12% synergy
The Golden Throne
12% of 8 decks +12% synergy
Desecrated Tomb
12% of 8 decks +12% synergy
Lotus Bloom
12% of 8 decks +12% synergy
Nim Deathmantle
12% of 8 decks +12% synergy
Witch's Oven
12% of 8 decks +12% synergy
Thornbite Staff
12% of 8 decks +12% synergy
Mycosynth Lattice
12% of 8 decks +12% synergy
Voltaic Key
12% of 8 decks +12% synergy
Twinning Staff
12% of 8 decks +11% synergy
Primal Amulet
12% of 8 decks +11% synergy
Mimic Vat
12% of 8 decks +11% synergy
Trading Post
12% of 8 decks +11% synergy
Moonsilver Key
12% of 8 decks +11% synergy
Staff of Domination
12% of 8 decks +11% synergy
Chimil, the Inner Sun
12% of 8 decks +11% synergy
Bontu's Monument
12% of 8 decks +10% synergy
Isochron Scepter
12% of 8 decks +10% synergy
Maskwood Nexus
12% of 8 decks +10% synergy
Urza's Incubator
12% of 8 decks +9% synergy
Jeweled Lotus
12% of 8 decks +8% synergy
Sensei's Divining Top
12% of 8 decks +7% synergy
Wishclaw Talisman
12% of 8 decks +7% synergy
The One Ring
12% of 8 decks +4% synergy
Swiftfoot Boots
12% of 8 decks -15% synergy
Enchantments
Rakdos Joins Up
100% of 1 decks +97% synergy
Aggravated Assault
100% of 1 decks +96% synergy
Goblin Bombardment
100% of 1 decks +94% synergy
Pernicious Deed
50% of 2 decks +48% synergy
Zendikar Resurgent
50% of 2 decks +48% synergy
Awakening Zone
50% of 2 decks +48% synergy
Asceticism
50% of 2 decks +47% synergy
Sylvan Library
50% of 2 decks +39% synergy
Bastion of Remembrance
38% of 8 decks +31% synergy
Blood Funnel
25% of 8 decks +25% synergy
Conspiracy
25% of 8 decks +24% synergy
Phyrexian Reclamation
25% of 8 decks +22% synergy
Necropotence
25% of 8 decks +20% synergy
Animate Dead
25% of 8 decks +16% synergy
Chthonian Nightmare
14% of 7 decks +13% synergy
Decaying Soil
12% of 8 decks +12% synergy
Leshrac's Sigil
12% of 8 decks +12% synergy
Carnival of Souls
12% of 8 decks +12% synergy
Tainted Aether
12% of 8 decks +12% synergy
Scion of Halaster
12% of 8 decks +12% synergy
Contamination
12% of 8 decks +12% synergy
Lich's Mastery
12% of 8 decks +12% synergy
Thran Vigil
12% of 8 decks +12% synergy
Retribution of the Ancients
12% of 8 decks +12% synergy
Cultist of the Absolute
12% of 8 decks +12% synergy
Gift of Doom
12% of 8 decks +12% synergy
Blight Mound
12% of 8 decks +12% synergy
Dance of the Dead
12% of 8 decks +11% synergy
Greed
12% of 8 decks +10% synergy
Dreadhorde Invasion
12% of 8 decks +10% synergy
Call of the Ring
12% of 8 decks +9% synergy
Necromancy
12% of 8 decks +9% synergy
Bloodchief Ascension
12% of 8 decks +9% synergy
The Meathook Massacre
12% of 8 decks +7% synergy
Planeswalkers
Tibalt, Rakish Instigator
100% of 1 decks +100% synergy
Chandra, Acolyte of Flame
100% of 1 decks +99% synergy
Liliana, Dreadhorde General
12% of 8 decks +9% synergy
Utility Lands
Restless Cottage
100% of 2 decks +97% synergy
Sokenzan, Crucible of Defiance
100% of 1 decks +96% synergy
Shifting Woodland
100% of 2 decks +93% synergy
Hickory Woodlot
50% of 2 decks +50% synergy
Treetop Village
50% of 2 decks +49% synergy
Lair of the Hydra
50% of 2 decks +48% synergy
Llanowar Reborn
50% of 2 decks +48% synergy
Tranquil Thicket
50% of 2 decks +46% synergy
Boseiju, Who Endures
50% of 2 decks +31% synergy
Witch's Cottage
38% of 8 decks +34% synergy
Cabal Coffers
38% of 8 decks +27% synergy
Lake of the Dead
25% of 8 decks +24% synergy
Blast Zone
25% of 8 decks +24% synergy
Emergence Zone
25% of 8 decks +23% synergy
Strip Mine
25% of 8 decks +22% synergy
Barren Moor
25% of 8 decks +21% synergy
Darksteel Citadel
25% of 8 decks +21% synergy
Urza's Saga
25% of 8 decks +18% synergy
Urborg, Tomb of Yawgmoth
25% of 8 decks +16% synergy
Takenuma, Abandoned Mire
25% of 8 decks +15% synergy
Safe Haven
12% of 8 decks +12% synergy
Peat Bog
12% of 8 decks +12% synergy
Mirrorpool
12% of 8 decks +12% synergy
City of Traitors
12% of 8 decks +12% synergy
Crystal Vein
12% of 8 decks +12% synergy
Dark Depths
12% of 8 decks +11% synergy
Volrath's Stronghold
12% of 8 decks +11% synergy
Homeward Path
12% of 8 decks +11% synergy
Mikokoro, Center of the Sea
12% of 8 decks +11% synergy
Tyrite Sanctum
12% of 8 decks +11% synergy
Ghost Quarter
12% of 8 decks +10% synergy
Barad-dûr
12% of 8 decks +10% synergy
Treasure Vault
12% of 8 decks +10% synergy
Thespian's Stage
12% of 8 decks +10% synergy
High Market
12% of 8 decks +10% synergy
Scavenger Grounds
12% of 8 decks +9% synergy
Geier Reach Sanitarium
12% of 8 decks +9% synergy
Inventors' Fair
12% of 8 decks +9% synergy
Vault of Whispers
12% of 8 decks +8% synergy
Mortuary Mire
12% of 8 decks +8% synergy
Castle Locthwain
12% of 8 decks +8% synergy
Buried Ruin
12% of 8 decks +8% synergy
Nykthos, Shrine to Nyx
12% of 8 decks +7% synergy
Rogue's Passage
12% of 8 decks -7% synergy
Reliquary Tower
12% of 8 decks -17% synergy
Mana Artifacts
Talisman of Indulgence
100% of 1 decks +73% synergy
Sol Ring
75% of 8 decks -9% synergy
Arcane Signet
38% of 8 decks -35% synergy
Fellwar Stone
25% of 8 decks +4% synergy
Séance Board
20% of 5 decks +19% synergy
Mox Tantalite
12% of 8 decks +12% synergy
Skyclave Relic
12% of 8 decks +11% synergy
Liquimetal Torque
12% of 8 decks +9% synergy
Mox Amber
12% of 8 decks +8% synergy
Mox Opal
12% of 8 decks +8% synergy
Everflowing Chalice
12% of 8 decks +8% synergy
Mana Crypt
12% of 8 decks +7% synergy
Chrome Mox
12% of 8 decks +6% synergy
Mana Vault
12% of 8 decks +6% synergy
Thought Vessel
12% of 8 decks -5% synergy
Lands
Rakdos Guildgate
100% of 1 decks +96% synergy
Canyon Slough
100% of 1 decks +93% synergy
Bloodfell Caves
100% of 1 decks +93% synergy
Graven Cairns
100% of 1 decks +92% synergy
Raucous Theater
100% of 1 decks +90% synergy
Tainted Peak
100% of 1 decks +89% synergy
Shadowblood Ridge
100% of 1 decks +88% synergy
Rakdos Carnarium
100% of 1 decks +86% synergy
Temple of Malice
100% of 1 decks +86% synergy
Foreboding Ruins
100% of 1 decks +84% synergy
Haunted Ridge
100% of 1 decks +84% synergy
Sulfurous Springs
100% of 1 decks +79% synergy
Luxury Suite
100% of 1 decks +74% synergy
Dragonskull Summit
100% of 1 decks +68% synergy
Smoldering Marsh
100% of 1 decks +67% synergy
Blood Crypt
100% of 1 decks +62% synergy
Darkmoss Bridge
50% of 2 decks +47% synergy
Blighted Woodland
50% of 2 decks +45% synergy
Nurturing Peatland
50% of 2 decks +44% synergy
Darkbore Pathway
50% of 2 decks +42% synergy
Twilight Mire
50% of 2 decks +39% synergy
Underground Mortuary
50% of 2 decks +37% synergy
Deathcap Glade
50% of 2 decks +36% synergy
Tainted Wood
50% of 2 decks +36% synergy
Temple of Malady
50% of 2 decks +33% synergy
Undergrowth Stadium
50% of 2 decks +24% synergy
Overgrown Tomb
50% of 2 decks +8% synergy
Command Tower
38% of 8 decks -37% synergy
Cavern of Souls
25% of 8 decks +18% synergy
Opal Palace
12% of 8 decks +10% synergy
Gemstone Caverns
12% of 8 decks +8% synergy
Verdant Catacombs
12% of 8 decks +1% synergy
Terramorphic Expanse
12% of 8 decks -3% synergy
Evolving Wilds
12% of 8 decks -8% synergy