Cloudstone Curio + Phyrexian Altar + Abhorrent Overlord

Cloudstone Curio
Phyrexian Altar
Abhorrent Overlord

Requires
Cloudstone Curio must be on the battlefield. Phyrexian Altar must be on the battlefield. Abhorrent Overlord must be in hand. Your devotion to black is at least five. Mana needed: 5
Steps
  1. Cast Abhorrent Overlord by paying 5.
  2. When Abhorrent Overlord enters the battlefield, it and Cloudstone Curio trigger.
  3. Resolve the Cloudstone Curio trigger, choosing to return nothing to your hand from the battlefield.
  4. Resolve the Abhorrent Overlord trigger, creating a number of 1/1 Harpy creature tokens equal to your devotion to black.
  5. When the Harpys enter the battlefield, Cloudstone Curio triggers that many times.
  6. Resolve the first Cloudstone Curio trigger, returning Abhorrent Overlord to your hand from the battlefield.
  7. Resolve all remaining Cloudstone Curio triggers, choosing to return nothing to your hand from the battlefield.
  8. Activate Phyrexian Altar seven times by sacrificing seven Harpys, adding 5.
  9. Repeat.
  10. If your devotion to black excluding Abhorrent Overlord is at least six, this combo will net infinite colored mana.
Results
Infinite colored mana. Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.

Ayara, First of Locthwain
0.08% of 4856 decks 4 decks
Xiahou Dun, the One-Eyed
0.49% of 204 decks 1 decks
Rakdos, Lord of Riots
0.01% of 7522 decks 1 decks
Juri, Master of the Revue
0.02% of 5397 decks 1 decks
New Cards
Nine-Lives Familiar
100% of 1 decks +99% synergy
Enduring Tenacity
100% of 1 decks +96% synergy
High Synergy Cards
Urborg, Tomb of Yawgmoth
86% of 7 decks +76% synergy
Jet Medallion
71% of 7 decks +69% synergy
Dark Ritual
86% of 7 decks +63% synergy
Cabal Coffers
71% of 7 decks +61% synergy
Bontu's Monument
57% of 7 decks +55% synergy
Gravecrawler
57% of 7 decks +54% synergy
Toxic Deluge
71% of 7 decks +54% synergy
Cabal Ritual
57% of 7 decks +52% synergy
Ashnod's Altar
57% of 7 decks +50% synergy
Pitiless Plunderer
57% of 7 decks +50% synergy
Top Cards
Gray Merchant of Asphodel
57% of 7 decks +48% synergy
Skullclamp
57% of 7 decks +45% synergy
Creatures
Akul the Unrepentant
100% of 1 decks +99% synergy
The Balrog, Durin's Bane
100% of 1 decks +98% synergy
Rakdos, the Muscle
100% of 1 decks +98% synergy
Rakdos, Patron of Chaos
100% of 1 decks +95% synergy
Dockside Extortionist
100% of 2 decks +88% synergy
Rakdos the Defiler
50% of 2 decks +50% synergy
Orca, Siege Demon
50% of 2 decks +50% synergy
Herald of Slaanesh
50% of 2 decks +49% synergy
Hidetsugu, Devouring Chaos
50% of 2 decks +49% synergy
Spear Spewer
50% of 2 decks +49% synergy
Orcus, Prince of Undeath
50% of 2 decks +49% synergy
Heartless Hidetsugu
50% of 2 decks +49% synergy
Rakdos, the Showstopper
50% of 2 decks +49% synergy
Raphael, Fiendish Savior
50% of 2 decks +48% synergy
Judith, the Scourge Diva
50% of 2 decks +48% synergy
Rakdos, Lord of Riots
50% of 2 decks +48% synergy
Lagomos, Hand of Hatred
50% of 2 decks +47% synergy
Mahadi, Emporium Master
50% of 2 decks +43% synergy
Accursed Marauder
50% of 2 decks +41% synergy
Mayhem Devil
50% of 2 decks +40% synergy
K'rrik, Son of Yawgmoth
43% of 7 decks +41% synergy
Ophiomancer
43% of 7 decks +40% synergy
Crypt Ghast
43% of 7 decks +38% synergy
Zulaport Cutthroat
43% of 7 decks +33% synergy
Blood Artist
43% of 7 decks +31% synergy
Mirkwood Bats
40% of 5 decks +28% synergy
Spiteful Hexmage
33% of 3 decks +33% synergy
Gumdrop Poisoner
33% of 3 decks +33% synergy
Witch of the Moors
33% of 6 decks +32% synergy
Sedgemoor Witch
33% of 6 decks +32% synergy
Forsaken Miner
33% of 3 decks +32% synergy
Bloodletter of Aclazotz
33% of 3 decks +28% synergy
Chainer, Dementia Master
29% of 7 decks +28% synergy
Endrek Sahr, Master Breeder
29% of 7 decks +28% synergy
Ob Nixilis, Unshackled
29% of 7 decks +27% synergy
Blood Pet
29% of 7 decks +27% synergy
Nether Traitor
29% of 7 decks +27% synergy
Bloodghast
29% of 7 decks +27% synergy
Reassembling Skeleton
29% of 7 decks +25% synergy
Sheoldred, Whispering One
29% of 7 decks +24% synergy
Carrion Feeder
29% of 7 decks +24% synergy
Conceited Witch
25% of 4 decks +25% synergy
Sweettooth Witch
25% of 4 decks +25% synergy
Razorlash Transmogrant
20% of 5 decks +20% synergy
Infernal Sovereign
20% of 5 decks +20% synergy
Creeping Bloodsucker
20% of 5 decks +17% synergy
Orcish Bowmasters
20% of 5 decks +9% synergy
Magus of the Bridge
17% of 6 decks +17% synergy
Misfortune Teller
17% of 6 decks +16% synergy
Novice Occultist
17% of 6 decks +16% synergy
Instants
Terminate
100% of 2 decks +79% synergy
Vampiric Tutor
57% of 7 decks +39% synergy
Szat's Will
50% of 6 decks +49% synergy
Chef's Kiss
50% of 2 decks +49% synergy
Unlicensed Disintegration
50% of 2 decks +49% synergy
Village Rites
50% of 6 decks +40% synergy
Deadly Rollick
50% of 6 decks +39% synergy
Deadly Dispute
50% of 6 decks +39% synergy
Bedevil
50% of 2 decks +36% synergy
Rakdos Charm
50% of 2 decks +36% synergy
Deflecting Swat
50% of 2 decks +34% synergy
Chaos Warp
50% of 2 decks +18% synergy
Corpse Dance
43% of 7 decks +43% synergy
Snuff Out
43% of 7 decks +40% synergy
Corrupted Conviction
40% of 5 decks +34% synergy
Saw in Half
33% of 6 decks +30% synergy
Malakir Rebirth
33% of 6 decks +25% synergy
Withering Boon
29% of 7 decks +28% synergy
Sacrifice
29% of 7 decks +28% synergy
Force of Despair
29% of 7 decks +27% synergy
Doom Blade
29% of 7 decks +27% synergy
Dismember
29% of 7 decks +26% synergy
Imp's Mischief
29% of 7 decks +26% synergy
Culling the Weak
29% of 7 decks +25% synergy
Entomb
29% of 7 decks +21% synergy
Rowan's Grim Search
25% of 4 decks +24% synergy
Offer Immortality
20% of 5 decks +19% synergy
Rise of the Dread Marn
17% of 6 decks +16% synergy
Plumb the Forbidden
17% of 6 decks +14% synergy
Shallow Grave
14% of 7 decks +14% synergy
Vraska's Contempt
14% of 7 decks +14% synergy
Victim of Night
14% of 7 decks +14% synergy
Cremate
14% of 7 decks +14% synergy
Hatred
14% of 7 decks +14% synergy
Rain of Filth
14% of 7 decks +14% synergy
Slaughter Pact
14% of 7 decks +13% synergy
Altar's Reap
14% of 7 decks +13% synergy
Price of Fame
14% of 7 decks +13% synergy
Murder
14% of 7 decks +11% synergy
Go for the Throat
14% of 7 decks +7% synergy
Sorceries
Fell
100% of 1 decks +97% synergy
Blasphemous Act
100% of 2 decks +66% synergy
Demonic Tutor
71% of 7 decks +49% synergy
Flame Rift
50% of 2 decks +49% synergy
Earthquake
50% of 2 decks +48% synergy
Peer into the Abyss
50% of 6 decks +47% synergy
Faithless Looting
50% of 2 decks +33% synergy
Jeska's Will
50% of 2 decks +33% synergy
Feed the Swarm
50% of 6 decks +32% synergy
Plague of Vermin
43% of 7 decks +42% synergy
Imperial Seal
43% of 7 decks +37% synergy
Read the Bones
43% of 7 decks +35% synergy
Sign in Blood
43% of 7 decks +33% synergy
Lively Dirge
33% of 3 decks +31% synergy
Exsanguinate
29% of 7 decks +23% synergy
Diabolic Tutor
29% of 7 decks +22% synergy
Damnation
29% of 7 decks +21% synergy
Night's Whisper
29% of 7 decks +20% synergy
Victimize
29% of 7 decks +17% synergy
Lash of the Balrog
25% of 4 decks +24% synergy
Lich-Knights' Conquest
25% of 4 decks +22% synergy
Annihilating Glare
20% of 5 decks +19% synergy
Blood on the Snow
17% of 6 decks +16% synergy
Persist
17% of 6 decks +14% synergy
Unmarked Grave
17% of 6 decks +14% synergy
Disturbing Plot
14% of 7 decks +14% synergy
Disturbed Burial
14% of 7 decks +14% synergy
Curse of the Cabal
14% of 7 decks +14% synergy
Dimir Machinations
14% of 7 decks +14% synergy
Walk the Plank
14% of 7 decks +14% synergy
Taste of Death
14% of 7 decks +14% synergy
Razaketh's Rite
14% of 7 decks +14% synergy
Repay in Kind
14% of 7 decks +14% synergy
Tendrils of Agony
14% of 7 decks +14% synergy
Bone Splinters
14% of 7 decks +14% synergy
Dark Petition
14% of 7 decks +13% synergy
Yawgmoth's Will
14% of 7 decks +13% synergy
Bubbling Muck
14% of 7 decks +13% synergy
Army of the Damned
14% of 7 decks +12% synergy
Rise of the Dark Realms
14% of 7 decks +11% synergy
Unearth
14% of 7 decks +11% synergy
Grim Tutor
14% of 7 decks +10% synergy
Living Death
14% of 7 decks +9% synergy
Buried Alive
14% of 7 decks +9% synergy
Diabolic Intent
14% of 7 decks +6% synergy
Reanimate
14% of 7 decks -1% synergy
Utility Artifacts
Bolas's Citadel
43% of 7 decks +34% synergy
Nim Deathmantle
29% of 7 decks +28% synergy
Aetherflux Reservoir
29% of 7 decks +25% synergy
Panharmonicon
29% of 7 decks +24% synergy
Sensei's Divining Top
29% of 7 decks +23% synergy
Lightning Greaves
29% of 7 decks +3% synergy
The One Ring
20% of 5 decks +11% synergy
Witch's Cauldron
17% of 6 decks +16% synergy
Cosmos Elixir
17% of 6 decks +16% synergy
Minion Reflector
14% of 7 decks +14% synergy
Staff of the Death Magus
14% of 7 decks +14% synergy
Animation Module
14% of 7 decks +14% synergy
Helm of Awakening
14% of 7 decks +13% synergy
Umbral Mantle
14% of 7 decks +13% synergy
Trading Post
14% of 7 decks +13% synergy
Rings of Brighthearth
14% of 7 decks +13% synergy
Alhammarret's Archive
14% of 7 decks +12% synergy
Expedition Map
14% of 7 decks +11% synergy
Wishclaw Talisman
14% of 7 decks +9% synergy
Swiftfoot Boots
14% of 7 decks -14% synergy
Enchantments
Rakdos Joins Up
100% of 1 decks +96% synergy
Breath of Fury
50% of 2 decks +49% synergy
Theater of Horrors
50% of 2 decks +48% synergy
Warstorm Surge
50% of 2 decks +45% synergy
Rising of the Day
50% of 2 decks +44% synergy
Grave Pact
43% of 7 decks +38% synergy
Virtue of Persistence
33% of 3 decks +30% synergy
The Meathook Massacre
33% of 6 decks +28% synergy
Dark Prophecy
29% of 7 decks +28% synergy
Dance of the Dead
29% of 7 decks +27% synergy
Bitterblossom
29% of 7 decks +24% synergy
Exquisite Blood
29% of 7 decks +24% synergy
Sanguine Bond
29% of 7 decks +23% synergy
Animate Dead
29% of 7 decks +19% synergy
Phyrexian Arena
29% of 7 decks +14% synergy
Sanctum of Stone Fangs
17% of 6 decks +16% synergy
Bastion of Remembrance
17% of 6 decks +10% synergy
Black Market Connections
17% of 6 decks +6% synergy
Decaying Soil
14% of 7 decks +14% synergy
Necromancer's Magemark
14% of 7 decks +14% synergy
Lich
14% of 7 decks +14% synergy
Bridge from Below
14% of 7 decks +14% synergy
Blood Funnel
14% of 7 decks +14% synergy
Infernal Genesis
14% of 7 decks +14% synergy
Carnival of Souls
14% of 7 decks +14% synergy
Curse of Fool's Wisdom
14% of 7 decks +14% synergy
Polluted Bonds
14% of 7 decks +13% synergy
Palace Siege
14% of 7 decks +13% synergy
Grave Betrayal
14% of 7 decks +13% synergy
Leyline of the Void
14% of 7 decks +13% synergy
Curse of Disturbance
14% of 7 decks +13% synergy
Liliana's Contract
14% of 7 decks +13% synergy
Greed
14% of 7 decks +12% synergy
Necromancy
14% of 7 decks +11% synergy
Revel in Riches
14% of 7 decks +11% synergy
Necropotence
14% of 7 decks +9% synergy
Planeswalkers
Ob Nixilis, the Adversary
50% of 2 decks +49% synergy
Tevesh Szat, Doom of Fools
17% of 6 decks +15% synergy
Liliana of the Dark Realms
14% of 7 decks +13% synergy
Liliana, Dreadhorde General
14% of 7 decks +11% synergy
Utility Lands
Phyrexian Tower
57% of 7 decks +49% synergy
Bojuka Bog
57% of 7 decks +27% synergy
Spymaster's Vault
50% of 2 decks +46% synergy
Urza's Saga
50% of 6 decks +43% synergy
Volrath's Stronghold
43% of 7 decks +41% synergy
Nykthos, Shrine to Nyx
43% of 7 decks +37% synergy
War Room
33% of 6 decks +27% synergy
Westvale Abbey
29% of 7 decks +26% synergy
Castle Locthwain
29% of 7 decks +23% synergy
Reliquary Tower
29% of 7 decks -1% synergy
Witch's Clinic
17% of 6 decks +15% synergy
Takenuma, Abandoned Mire
17% of 6 decks +6% synergy
Deserted Temple
14% of 7 decks +14% synergy
Lake of the Dead
14% of 7 decks +14% synergy
Vesuva
14% of 7 decks +13% synergy
Arcane Lighthouse
14% of 7 decks +13% synergy
Thespian's Stage
14% of 7 decks +12% synergy
Strip Mine
14% of 7 decks +11% synergy
Cabal Stronghold
14% of 7 decks +11% synergy
Barren Moor
14% of 7 decks +11% synergy
Witch's Cottage
14% of 7 decks +11% synergy
Command Beacon
14% of 7 decks +10% synergy
Buried Ruin
14% of 7 decks +9% synergy
Ancient Tomb
14% of 7 decks +4% synergy
Mana Artifacts
Séance Board
100% of 1 decks +97% synergy
Rakdos Signet
100% of 2 decks +70% synergy
Sol Ring
86% of 7 decks +1% synergy
Arcane Signet
71% of 7 decks -1% synergy
Rakdos Locket
50% of 2 decks +49% synergy
Talisman of Indulgence
50% of 2 decks +24% synergy
Jeweled Lotus
33% of 6 decks +28% synergy
Charcoal Diamond
29% of 7 decks +23% synergy
Commander's Sphere
29% of 7 decks +13% synergy
Extraplanar Lens
14% of 7 decks +13% synergy
Caged Sun
14% of 7 decks +12% synergy
Basalt Monolith
14% of 7 decks +12% synergy
Mox Amber
14% of 7 decks +10% synergy
Mox Diamond
14% of 7 decks +10% synergy
Mox Opal
14% of 7 decks +10% synergy
Chrome Mox
14% of 7 decks +8% synergy
Lotus Petal
14% of 7 decks +8% synergy
Mana Crypt
14% of 7 decks +6% synergy
Mind Stone
14% of 7 decks -3% synergy
Lands
Raucous Theater
100% of 1 decks +87% synergy
Rakdos Carnarium
100% of 2 decks +85% synergy
Foreboding Ruins
100% of 2 decks +84% synergy
Smoldering Marsh
100% of 2 decks +67% synergy
Akoum Refuge
50% of 2 decks +47% synergy
Rakdos Guildgate
50% of 2 decks +46% synergy
Bloodfell Caves
50% of 2 decks +43% synergy
Tainted Peak
50% of 2 decks +40% synergy
Shadowblood Ridge
50% of 2 decks +38% synergy
Badlands
50% of 2 decks +36% synergy
Haunted Ridge
50% of 2 decks +34% synergy
Sulfurous Springs
50% of 2 decks +30% synergy
Luxury Suite
50% of 2 decks +24% synergy
Dragonskull Summit
50% of 2 decks +19% synergy
Blood Crypt
50% of 2 decks +11% synergy
Command Tower
43% of 7 decks -31% synergy
Gemstone Caverns
29% of 7 decks +24% synergy
Bloodstained Mire
29% of 7 decks +18% synergy
Myriad Landscape
29% of 7 decks +9% synergy
Evolving Wilds
29% of 7 decks +8% synergy
Crystal Grotto
17% of 6 decks +16% synergy
Prismatic Vista
14% of 7 decks +9% synergy
Cavern of Souls
14% of 7 decks +7% synergy
Marsh Flats
14% of 7 decks +3% synergy
Polluted Delta
14% of 7 decks +3% synergy
Verdant Catacombs
14% of 7 decks +3% synergy
Terramorphic Expanse
14% of 7 decks -1% synergy
Path of Ancestry
14% of 7 decks -7% synergy
Exotic Orchard
14% of 7 decks -21% synergy