Mikaeus, the Unhallowed
Cauldron of Souls
Dross Scorpion
Ashnod's Altar

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.

   Steps

How does this combo work?
1
Activate Cauldron of Souls by tapping it, giving Dross Scorpion persist until end of turn.
2
Activate Ashnod's Altar by sacrificing Dross Scorpion, adding .
3
Dross Scorpion dies, triggering its ability, its undying ability and its persist ability.
4
Resolve the first Dross Scorpion trigger, untapping Cauldron of Souls.
5
Resolve the Dross Scorpion persist trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
6
Activate Ashnod's Altar by sacrificing Dross Scorpion, adding .
7
Dross Scorpion dies, triggering its ability and its undying ability.
8
Resolve the first Dross Scorpion trigger, untapping Cauldron of Souls.
9
Resolve the second Dross Scorpion trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
10
Activate Ashnod's Altar by sacrificing Dross Scorpion, adding .
11
Dross Scorpion dies, triggering its ability and its persist ability.
12
Repeat from step 4.

   Results

What do I get from this combo?
Infinite colorless mana
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers
Mikaeus, the Unhallowed
0.4%inclusion7 decks1.85K decks
Reaper King
0.0%inclusion3 decks7.72K decks
Gev, Scaled Scorch
0.0%inclusion3 decks9.69K decks
Zenos yae Galvus
0.1%inclusion2 decks2.79K decks
Kokusho, the Evening Star
0.2%inclusion2 decks1.25K decks
Wilhelt, the Rotcleaver
0.0%inclusion2 decks20.6K decks
Thalisse, Reverent Medium
0.0%inclusion1 decks2.30K decks
Muldrotha, the Gravetide
0.0%inclusion1 decks21.6K decks
Slimefoot, the Stowaway
0.0%inclusion1 decks5.69K decks
Megatron, Tyrant
0.0%inclusion1 decks4.67K decks
Shirei, Shizo's Caretaker
0.0%inclusion1 decks6.81K decks
Nicol Bolas, the Ravager
0.0%inclusion1 decks8.45K decks
Henzie "Toolbox" Torre
0.0%inclusion1 decks16.7K decks
Bartolomé del Presidio
0.1%inclusion1 decks1.71K decks
Alela, Artful Provocateur
0.0%inclusion1 decks14.8K decks
Rendmaw, Creaking Nest
0.0%inclusion1 decks10.1K decks
Olivia, Crimson Bride
0.0%inclusion1 decks2.58K decks
Shadow the Hedgehog
0.0%inclusion1 decks8.36K decks
New Cards
Eirdu, Carrier of Dawn
33%inclusion1 decks3 decks
32%synergy
High Synergy Cards
Phyrexian Altar
62%inclusion21 decks34 decks
58%synergy
Solemnity
57%inclusion4 decks7 decks
56%synergy
Viscera Seer
62%inclusion21 decks34 decks
54%synergy
Triskelion
47%inclusion16 decks34 decks
47%synergy
Tatterkite
41%inclusion14 decks34 decks
41%synergy
Cabal Coffers
50%inclusion17 decks34 decks
40%synergy
Urborg, Tomb of Yawgmoth
47%inclusion16 decks34 decks
38%synergy
Carrion Feeder
41%inclusion14 decks34 decks
37%synergy
Murderous Redcap
36%inclusion4 decks11 decks
35%synergy
Warstorm Surge
36%inclusion4 decks11 decks
32%synergy
Top Cards
Cultivate
63%inclusion5 decks8 decks
20%synergy
Three Visits
50%inclusion4 decks8 decks
26%synergy
Dark Ritual
41%inclusion14 decks34 decks
17%synergy
Mayhem Devil
36%inclusion4 decks11 decks
26%synergy
Gray Merchant of Asphodel
35%inclusion12 decks34 decks
27%synergy
Reanimate
35%inclusion12 decks34 decks
16%synergy
Blood Artist
32%inclusion11 decks34 decks
21%synergy
Putrid Goblin
29%inclusion10 decks34 decks
29%synergy
Altar of Dementia
29%inclusion10 decks34 decks
27%synergy
Crypt Ghast
29%inclusion10 decks34 decks
24%synergy
Game Changers
Demonic Tutor
50%inclusion17 decks34 decks
31%synergy
Rhystic Study
50%inclusion4 decks8 decks
26%synergy
Enlightened Tutor
43%inclusion3 decks7 decks
28%synergy
Teferi's Protection
43%inclusion3 decks7 decks
26%synergy
Mystical Tutor
38%inclusion3 decks8 decks
25%synergy
Cyclonic Rift
38%inclusion3 decks8 decks
15%synergy
Vampiric Tutor
32%inclusion11 decks34 decks
17%synergy
Mana Vault
24%inclusion8 decks34 decks
18%synergy
Bolas's Citadel
24%inclusion8 decks34 decks
16%synergy
Imperial Seal
21%inclusion7 decks34 decks
15%synergy
Creatures
Teysa Karlov
43%inclusion3 decks7 decks
38%synergy
Etherium Sculptor
38%inclusion3 decks8 decks
32%synergy
Eternal Witness
38%inclusion3 decks8 decks
21%synergy
Mahadi, Emporium Master
27%inclusion3 decks11 decks
22%synergy
Lesser Masticore
26%inclusion9 decks34 decks
26%synergy
Puppeteer Clique
26%inclusion9 decks34 decks
25%synergy
Walking Ballista
26%inclusion9 decks34 decks
24%synergy
Yawgmoth, Thran Physician
24%inclusion8 decks34 decks
20%synergy
Massacre Wurm
24%inclusion8 decks34 decks
18%synergy
Zulaport Cutthroat
24%inclusion8 decks34 decks
15%synergy
Pitiless Plunderer
24%inclusion8 decks34 decks
15%synergy
Workhorse
21%inclusion7 decks34 decks
21%synergy
K'rrik, Son of Yawgmoth
21%inclusion7 decks34 decks
18%synergy
Solemn Simulacrum
21%inclusion7 decks34 decks
8%synergy
Wingrattle Scarecrow
18%inclusion6 decks34 decks
18%synergy
Yahenni, Undying Partisan
18%inclusion6 decks34 decks
15%synergy
Ayara, First of Locthwain
18%inclusion6 decks34 decks
14%synergy
Sheoldred, Whispering One
18%inclusion6 decks34 decks
14%synergy
Persistent Constrictor
15%inclusion4 decks27 decks
14%synergy
Rattleblaze Scarecrow
15%inclusion5 decks34 decks
15%synergy
Lingering Tormentor
15%inclusion5 decks34 decks
15%synergy
Grim Poppet
15%inclusion5 decks34 decks
15%synergy
Woe Strider
15%inclusion5 decks34 decks
13%synergy
Drivnod, Carnage Dominus
15%inclusion5 decks34 decks
13%synergy
Grave Titan
15%inclusion5 decks34 decks
12%synergy
Butcher of Malakir
15%inclusion5 decks34 decks
12%synergy
Grim Haruspex
15%inclusion5 decks34 decks
12%synergy
Noxious Gearhulk
15%inclusion5 decks34 decks
12%synergy
Syr Konrad, the Grim
15%inclusion5 decks34 decks
6%synergy
Chainbreaker
12%inclusion4 decks34 decks
12%synergy
Soulstinger
12%inclusion4 decks34 decks
12%synergy
Cinderhaze Wretch
12%inclusion4 decks34 decks
12%synergy
Cryptic Trilobite
12%inclusion4 decks34 decks
12%synergy
Pili-Pala
12%inclusion4 decks34 decks
11%synergy
Bloodflow Connoisseur
12%inclusion4 decks34 decks
11%synergy
Dusk Legion Sergeant
12%inclusion4 decks34 decks
11%synergy
Chainer, Dementia Master
12%inclusion4 decks34 decks
11%synergy
Hex Parasite
12%inclusion4 decks34 decks
11%synergy
Tormod, the Desecrator
12%inclusion4 decks34 decks
11%synergy
Vilis, Broker of Blood
12%inclusion4 decks34 decks
9%synergy
Ravenous Chupacabra
12%inclusion4 decks34 decks
9%synergy
Gravecrawler
12%inclusion4 decks34 decks
8%synergy
Foundry Inspector
12%inclusion4 decks34 decks
8%synergy
Opposition Agent
12%inclusion4 decks34 decks
6%synergy
Pith Driller
8.8%inclusion3 decks34 decks
9%synergy
Heap Doll
8.8%inclusion3 decks34 decks
9%synergy
Pentavus
8.8%inclusion3 decks34 decks
9%synergy
Scuttlemutt
8.8%inclusion3 decks34 decks
9%synergy
Oasis Gardener
8.8%inclusion3 decks34 decks
9%synergy
Scarecrone
8.8%inclusion3 decks34 decks
9%synergy
Instants
Mana Drain
38%inclusion3 decks8 decks
23%synergy
Assassin's Trophy
38%inclusion3 decks8 decks
7%synergy
Deflecting Swat
27%inclusion3 decks11 decks
11%synergy
Chaos Warp
27%inclusion3 decks11 decks
-3%synergy
Culling the Weak
21%inclusion7 decks34 decks
16%synergy
Village Rites
21%inclusion7 decks34 decks
11%synergy
Deadly Rollick
21%inclusion7 decks34 decks
7%synergy
Defile
15%inclusion5 decks34 decks
12%synergy
Imp's Mischief
15%inclusion5 decks34 decks
11%synergy
Cabal Ritual
15%inclusion5 decks34 decks
10%synergy
Entomb
15%inclusion5 decks34 decks
8%synergy
Feign Death
12%inclusion4 decks34 decks
10%synergy
Undying Malice
12%inclusion4 decks34 decks
10%synergy
Ad Nauseam
12%inclusion4 decks34 decks
9%synergy
Tragic Slip
12%inclusion4 decks34 decks
8%synergy
Saw in Half
12%inclusion4 decks34 decks
8%synergy
Flare of Malice
9.4%inclusion3 decks32 decks
7%synergy
Undying Evil
8.8%inclusion3 decks34 decks
8%synergy
Altar's Reap
8.8%inclusion3 decks34 decks
8%synergy
Stinging Study
8.8%inclusion3 decks34 decks
8%synergy
Not Dead After All
8.8%inclusion3 decks34 decks
6%synergy
Tainted Pact
8.8%inclusion3 decks34 decks
5%synergy
Infernal Grasp
8.8%inclusion3 decks34 decks
1%synergy
Malakir Rebirth
8.8%inclusion3 decks34 decks
1%synergy
Deadly Dispute
8.8%inclusion3 decks34 decks
-3%synergy
Sorceries
Kodama's Reach
38%inclusion3 decks8 decks
10%synergy
Nature's Lore
38%inclusion3 decks8 decks
6%synergy
Farseek
38%inclusion3 decks8 decks
2%synergy
Damnation
29%inclusion10 decks34 decks
23%synergy
Faithless Looting
27%inclusion3 decks11 decks
11%synergy
Exsanguinate
26%inclusion9 decks34 decks
20%synergy
Victimize
26%inclusion9 decks34 decks
14%synergy
Toxic Deluge
26%inclusion9 decks34 decks
8%synergy
Torment of Hailfire
24%inclusion8 decks34 decks
19%synergy
Feed the Swarm
24%inclusion8 decks34 decks
7%synergy
Diabolic Tutor
21%inclusion7 decks34 decks
15%synergy
Diabolic Intent
18%inclusion6 decks34 decks
10%synergy
Blasphemous Edict
12%inclusion3 decks25 decks
6%synergy
Buried Alive
12%inclusion4 decks34 decks
6%synergy
Beseech the Queen
8.8%inclusion3 decks34 decks
8%synergy
Yawgmoth's Will
8.8%inclusion3 decks34 decks
8%synergy
Black Sun's Zenith
8.8%inclusion3 decks34 decks
7%synergy
Profane Tutor
8.8%inclusion3 decks34 decks
7%synergy
Grim Tutor
8.8%inclusion3 decks34 decks
5%synergy
Living Death
8.8%inclusion3 decks34 decks
4%synergy
Sign in Blood
8.8%inclusion3 decks34 decks
0%synergy
Utility Artifacts
Lightning Greaves
29%inclusion10 decks34 decks
5%synergy
Skullclamp
26%inclusion9 decks34 decks
15%synergy
Swiftfoot Boots
26%inclusion9 decks34 decks
-1%synergy
Blasting Station
24%inclusion8 decks34 decks
23%synergy
Krark-Clan Ironworks
24%inclusion8 decks34 decks
22%synergy
Jet Medallion
24%inclusion8 decks34 decks
20%synergy
Sensei's Divining Top
21%inclusion7 decks34 decks
16%synergy
Nim Deathmantle
15%inclusion5 decks34 decks
14%synergy
Bontu's Monument
15%inclusion5 decks34 decks
13%synergy
Aetherflux Reservoir
15%inclusion5 decks34 decks
11%synergy
Panharmonicon
12%inclusion4 decks34 decks
8%synergy
Conjurer's Closet
8.8%inclusion3 decks34 decks
6%synergy
Maskwood Nexus
8.8%inclusion3 decks34 decks
6%synergy
Urza's Incubator
8.8%inclusion3 decks34 decks
5%synergy
Wayfarer's Bauble
8.8%inclusion3 decks34 decks
1%synergy
The One Ring
8.8%inclusion3 decks34 decks
0%synergy
Enchantments
Insidious Roots
38%inclusion3 decks8 decks
32%synergy
Exploration
38%inclusion3 decks8 decks
29%synergy
Bastion of Remembrance
29%inclusion10 decks34 decks
23%synergy
Black Market
24%inclusion8 decks34 decks
19%synergy
Animate Dead
24%inclusion8 decks34 decks
15%synergy
Phyrexian Arena
21%inclusion7 decks34 decks
5%synergy
The Meathook Massacre
18%inclusion6 decks34 decks
12%synergy
Black Market Connections
18%inclusion6 decks34 decks
6%synergy
Retribution of the Ancients
15%inclusion5 decks34 decks
14%synergy
Grave Pact
15%inclusion5 decks34 decks
10%synergy
Dictate of Erebos
12%inclusion4 decks34 decks
9%synergy
Necromancy
12%inclusion4 decks34 decks
9%synergy
Necropotence
12%inclusion4 decks34 decks
7%synergy
Thran Vigil
8.8%inclusion3 decks34 decks
8%synergy
Open the Graves
8.8%inclusion3 decks34 decks
8%synergy
Wound Reflection
8.8%inclusion3 decks34 decks
7%synergy
Revel in Riches
8.8%inclusion3 decks34 decks
6%synergy
Phyrexian Reclamation
8.8%inclusion3 decks34 decks
6%synergy
Bitterblossom
8.8%inclusion3 decks34 decks
5%synergy
Planeswalkers
Ugin, the Ineffable
8.8%inclusion3 decks34 decks
7%synergy
Liliana, Dreadhorde General
8.8%inclusion3 decks34 decks
5%synergy
Utility Lands
Ancient Den
43%inclusion3 decks7 decks
37%synergy
Bojuka Bog
41%inclusion14 decks34 decks
11%synergy
Phyrexian Tower
38%inclusion13 decks34 decks
29%synergy
Reliquary Tower
38%inclusion13 decks34 decks
8%synergy
Great Furnace
27%inclusion3 decks11 decks
21%synergy
Cabal Stronghold
26%inclusion9 decks34 decks
23%synergy
Nykthos, Shrine to Nyx
26%inclusion9 decks34 decks
21%synergy
Mortuary Mire
24%inclusion8 decks34 decks
19%synergy
Castle Locthwain
21%inclusion7 decks34 decks
17%synergy
Vault of Whispers
21%inclusion7 decks34 decks
16%synergy
Temple of the False God
18%inclusion6 decks34 decks
9%synergy
Ancient Tomb
18%inclusion6 decks34 decks
8%synergy
Rogue's Passage
18%inclusion6 decks34 decks
-3%synergy
High Market
15%inclusion5 decks34 decks
12%synergy
Witch's Cottage
15%inclusion5 decks34 decks
11%synergy
Command Beacon
15%inclusion5 decks34 decks
10%synergy
Urza's Saga
15%inclusion5 decks34 decks
8%synergy
Takenuma, Abandoned Mire
15%inclusion5 decks34 decks
6%synergy
Buried Ruin
12%inclusion4 decks34 decks
7%synergy
Dark Depths
8.8%inclusion3 decks34 decks
8%synergy
Nesting Grounds
8.8%inclusion3 decks34 decks
7%synergy
Emergence Zone
8.8%inclusion3 decks34 decks
6%synergy
Thespian's Stage
8.8%inclusion3 decks34 decks
6%synergy
Field of the Dead
8.8%inclusion3 decks34 decks
6%synergy
Barren Moor
8.8%inclusion3 decks34 decks
6%synergy
Darksteel Citadel
8.8%inclusion3 decks34 decks
5%synergy
Shizo, Death's Storehouse
8.8%inclusion3 decks34 decks
4%synergy
War Room
8.8%inclusion3 decks34 decks
3%synergy
Yavimaya, Cradle of Growth
8.8%inclusion3 decks34 decks
0%synergy
Mana Artifacts
Sol Ring
94%inclusion32 decks34 decks
10%synergy
Arcane Signet
47%inclusion16 decks34 decks
-25%synergy
Fellwar Stone
26%inclusion9 decks34 decks
6%synergy
Thought Vessel
21%inclusion7 decks34 decks
3%synergy
Mind Stone
18%inclusion6 decks34 decks
3%synergy
Crowded Crypt
15%inclusion5 decks34 decks
13%synergy
Gilded Lotus
12%inclusion4 decks34 decks
9%synergy
Chrome Mox
12%inclusion4 decks34 decks
6%synergy
Lotus Petal
12%inclusion4 decks34 decks
5%synergy
Caged Sun
8.8%inclusion3 decks34 decks
7%synergy
Grim Monolith
8.8%inclusion3 decks34 decks
7%synergy
Relic of Legends
8.8%inclusion3 decks34 decks
7%synergy
Basalt Monolith
8.8%inclusion3 decks34 decks
6%synergy
Charcoal Diamond
8.8%inclusion3 decks34 decks
5%synergy
Thran Dynamo
8.8%inclusion3 decks34 decks
4%synergy
Commander's Sphere
8.8%inclusion3 decks34 decks
-3%synergy
Lands
The World Tree
100%inclusion3 decks3 decks
72%synergy
Xander's Lounge
75%inclusion3 decks4 decks
51%synergy
Raffine's Tower
75%inclusion3 decks4 decks
51%synergy
Command Tower
59%inclusion20 decks34 decks
-15%synergy
Isolated Chapel
57%inclusion4 decks7 decks
24%synergy
Smoldering Marsh
55%inclusion6 decks11 decks
21%synergy
Overgrown Tomb
50%inclusion4 decks8 decks
9%synergy
Foreboding Ruins
45%inclusion5 decks11 decks
30%synergy
Caves of Koilos
43%inclusion3 decks7 decks
14%synergy
Godless Shrine
43%inclusion3 decks7 decks
2%synergy
Bayou
38%inclusion3 decks8 decks
24%synergy
Undergrowth Stadium
38%inclusion3 decks8 decks
14%synergy
Woodland Cemetery
38%inclusion3 decks8 decks
6%synergy
Sunken Hollow
38%inclusion3 decks8 decks
4%synergy
Dragonskull Summit
36%inclusion4 decks11 decks
2%synergy
Blood Crypt
36%inclusion4 decks11 decks
-1%synergy
Blackcleave Cliffs
27%inclusion3 decks11 decks
21%synergy
Rakdos Carnarium
27%inclusion3 decks11 decks
15%synergy
Sulfurous Springs
27%inclusion3 decks11 decks
4%synergy
Luxury Suite
27%inclusion3 decks11 decks
3%synergy
Myriad Landscape
26%inclusion9 decks34 decks
10%synergy
Path of Ancestry
24%inclusion8 decks34 decks
1%synergy
Evolving Wilds
21%inclusion7 decks34 decks
0%synergy
Cavern of Souls
18%inclusion6 decks34 decks
10%synergy
Exotic Orchard
18%inclusion6 decks34 decks
-19%synergy
Verdant Catacombs
15%inclusion5 decks34 decks
4%synergy
Mana Confluence
12%inclusion4 decks34 decks
5%synergy
Urza's Cave
9.4%inclusion3 decks32 decks
7%synergy
Gemstone Caverns
8.8%inclusion3 decks34 decks
4%synergy
City of Brass
8.8%inclusion3 decks34 decks
1%synergy
Wooded Foothills
8.8%inclusion3 decks34 decks
-2%synergy
Bloodstained Mire
8.8%inclusion3 decks34 decks
-2%synergy
Terramorphic Expanse
8.8%inclusion3 decks34 decks
-6%synergy