Mikaeus, the Unhallowed
Umbral Collar Zealot
The Reaper, King No More

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (The Reaper without a +1/+1 counter on it on the battlefield).

   Steps

How does this combo work?
1
Activate Umbral Collar Zealot by sacrificing The Reaper.
2
When The Reaper dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3
When The Reaper enters the battlefield, it triggers, putting a -1/-1 counter on it.
4
Resolve the Umbral Collar Zealot ability
5
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite death triggers
Infinite sacrifice triggers
Infinite surveil
Infinite -1/-1 counters
Infinite recursion of non-Human creatures you control
Auntie Ool, Cursewretch
0.2%inclusion18 decks10.1K decks
The Reaper, King No More
0.4%inclusion12 decks3.28K decks
Top Commanders
Slimefoot and Squee
0.0%inclusion1 decks8.08K decks
New Cards
Sinister Gnarlbark
65%inclusion20 decks31 decks
42%synergy
Dread Tiller
58%inclusion18 decks31 decks
34%synergy
Village Pillagers
48%inclusion15 decks31 decks
25%synergy
Scuzzback Scrounger
45%inclusion14 decks31 decks
33%synergy
Grave Venerations
42%inclusion13 decks31 decks
25%synergy
High Synergy Cards
Blowfly Infestation
77%inclusion24 decks31 decks
72%synergy
Nest of Scarabs
74%inclusion23 decks31 decks
70%synergy
Massacre Girl, Known Killer
74%inclusion23 decks31 decks
68%synergy
Yawgmoth, Thran Physician
71%inclusion22 decks31 decks
66%synergy
Hapatra, Vizier of Poisons
71%inclusion22 decks31 decks
65%synergy
Black Sun's Zenith
71%inclusion22 decks31 decks
65%synergy
The Scorpion God
68%inclusion21 decks31 decks
62%synergy
Flourishing Defenses
65%inclusion20 decks31 decks
60%synergy
Devoted Druid
65%inclusion20 decks31 decks
59%synergy
Obelisk Spider
61%inclusion19 decks31 decks
58%synergy
Top Cards
Ignoble Hierarch
90%inclusion28 decks31 decks
35%synergy
Assassin's Trophy
65%inclusion20 decks31 decks
21%synergy
Channeler Initiate
61%inclusion19 decks31 decks
57%synergy
Maha, Its Feathers Night
58%inclusion18 decks31 decks
55%synergy
Kulrath Knight
58%inclusion18 decks31 decks
53%synergy
Necroskitter
58%inclusion18 decks31 decks
53%synergy
Everlasting Torment
55%inclusion17 decks31 decks
50%synergy
Persist
55%inclusion17 decks31 decks
49%synergy
Viscera Seer
55%inclusion17 decks31 decks
44%synergy
Generous Patron
52%inclusion16 decks31 decks
48%synergy
Game Changers
Worldly Tutor
19%inclusion6 decks31 decks
9%synergy
Demonic Tutor
19%inclusion6 decks31 decks
3%synergy
The One Ring
16%inclusion5 decks31 decks
11%synergy
Gaea's Cradle
13%inclusion4 decks31 decks
10%synergy
Gamble
13%inclusion4 decks31 decks
7%synergy
Ancient Tomb
13%inclusion4 decks31 decks
5%synergy
Survival of the Fittest
10%inclusion3 decks31 decks
8%synergy
Opposition Agent
10%inclusion3 decks31 decks
7%synergy
Mana Vault
10%inclusion3 decks31 decks
6%synergy
Underworld Breach
10%inclusion3 decks31 decks
6%synergy
Creatures
Soul Snuffers
52%inclusion16 decks31 decks
47%synergy
Birds of Paradise
52%inclusion16 decks31 decks
20%synergy
Grumgully, the Generous
48%inclusion15 decks31 decks
46%synergy
Murderous Redcap
48%inclusion15 decks31 decks
46%synergy
Wickerbough Elder
48%inclusion15 decks31 decks
44%synergy
Blood Artist
48%inclusion15 decks31 decks
38%synergy
Carnifex Demon
45%inclusion14 decks31 decks
40%synergy
Zulaport Cutthroat
45%inclusion14 decks31 decks
36%synergy
Skinrender
42%inclusion13 decks31 decks
38%synergy
Dusk Urchins
42%inclusion13 decks31 decks
38%synergy
Persistent Constrictor
39%inclusion12 decks31 decks
35%synergy
Midnight Banshee
39%inclusion12 decks31 decks
35%synergy
Evolution Sage
39%inclusion12 decks31 decks
32%synergy
Warren Soultrader
35%inclusion11 decks31 decks
27%synergy
Dawnhand Dissident
35%inclusion11 decks31 decks
25%synergy
Delighted Halfling
32%inclusion10 decks31 decks
20%synergy
Putrid Goblin
29%inclusion9 decks31 decks
28%synergy
Cankerbloom
29%inclusion9 decks31 decks
24%synergy
Puppeteer Clique
26%inclusion8 decks31 decks
23%synergy
Pitiless Plunderer
26%inclusion8 decks31 decks
13%synergy
Oft-Nabbed Goat
26%inclusion8 decks31 decks
7%synergy
Quillspike
23%inclusion7 decks31 decks
21%synergy
Carrion Feeder
23%inclusion7 decks31 decks
19%synergy
Tree of Perdition
23%inclusion7 decks31 decks
19%synergy
Bloom Tender
23%inclusion7 decks31 decks
16%synergy
Sephiroth, Fabled SOLDIER
19%inclusion6 decks31 decks
17%synergy
Protean Hulk
19%inclusion6 decks31 decks
13%synergy
Hexing Squelcher
19%inclusion6 decks31 decks
10%synergy
Ammit Eternal
16%inclusion5 decks31 decks
15%synergy
Gravecrawler
16%inclusion5 decks31 decks
15%synergy
Champion of the Weird
16%inclusion5 decks31 decks
14%synergy
Spitting Dilophosaurus
16%inclusion5 decks31 decks
14%synergy
Grim Poppet
16%inclusion5 decks31 decks
13%synergy
Gristle Glutton
16%inclusion5 decks31 decks
12%synergy
Auntie Ool, Cursewretch
16%inclusion5 decks31 decks
11%synergy
Glissa Sunslayer
16%inclusion5 decks31 decks
10%synergy
Morbid Opportunist
16%inclusion5 decks31 decks
10%synergy
Deathrite Shaman
16%inclusion5 decks31 decks
5%synergy
Eternal Witness
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-9%synergy
Butcher Ghoul
13%inclusion4 decks31 decks
13%synergy
Young Wolf
13%inclusion4 decks31 decks
12%synergy
Gev, Scaled Scorch
13%inclusion4 decks31 decks
12%synergy
Harbinger of Night
13%inclusion4 decks31 decks
12%synergy
Corrosive Mentor
13%inclusion4 decks31 decks
12%synergy
Goblin Matron
13%inclusion4 decks31 decks
12%synergy
Evolution Witness
13%inclusion4 decks31 decks
12%synergy
Imperial Recruiter
13%inclusion4 decks31 decks
11%synergy
Formidable Speaker
13%inclusion4 decks31 decks
11%synergy
Fauna Shaman
13%inclusion4 decks31 decks
8%synergy
Elves of Deep Shadow
13%inclusion4 decks31 decks
4%synergy
Instants
Terminate
29%inclusion9 decks31 decks
2%synergy
Malakir Rebirth
26%inclusion8 decks31 decks
16%synergy
Infernal Grasp
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13%synergy
Putrefy
26%inclusion8 decks31 decks
4%synergy
Fire Covenant
19%inclusion6 decks31 decks
15%synergy
Saw in Half
19%inclusion6 decks31 decks
15%synergy
Revitalizing Repast
19%inclusion6 decks31 decks
9%synergy
Entomb
19%inclusion6 decks31 decks
8%synergy
Burnt Offering
16%inclusion5 decks31 decks
14%synergy
Atomize
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14%synergy
Blight Rot
16%inclusion5 decks31 decks
10%synergy
Dark Ritual
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3%synergy
Deflecting Swat
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0%synergy
Vampiric Tutor
13%inclusion4 decks31 decks
1%synergy
Deadly Dispute
13%inclusion4 decks31 decks
-1%synergy
Sacrifice
10%inclusion3 decks31 decks
9%synergy
Grim Affliction
10%inclusion3 decks31 decks
8%synergy
Undying Malice
10%inclusion3 decks31 decks
7%synergy
Pyroblast
10%inclusion3 decks31 decks
5%synergy
Red Elemental Blast
10%inclusion3 decks31 decks
5%synergy
Veil of Summer
10%inclusion3 decks31 decks
4%synergy
Heroic Intervention
10%inclusion3 decks31 decks
-17%synergy
Sorceries
Reanimate
48%inclusion15 decks31 decks
26%synergy
Eldritch Evolution
39%inclusion12 decks31 decks
33%synergy
Aberrant Return
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13%synergy
Farseek
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-16%synergy
Night's Whisper
26%inclusion8 decks31 decks
15%synergy
Nature's Lore
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-12%synergy
Diabolic Intent
23%inclusion7 decks31 decks
14%synergy
Victimize
23%inclusion7 decks31 decks
2%synergy
Incremental Blight
19%inclusion6 decks31 decks
16%synergy
Painful Truths
19%inclusion6 decks31 decks
14%synergy
Darkness Descends
19%inclusion6 decks31 decks
12%synergy
Three Visits
19%inclusion6 decks31 decks
-5%synergy
Blasphemous Act
19%inclusion6 decks31 decks
-22%synergy
Burning Curiosity
16%inclusion5 decks31 decks
5%synergy
Culling Ritual
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5%synergy
Rampant Growth
16%inclusion5 decks31 decks
-16%synergy
Chain Reaction
13%inclusion4 decks31 decks
9%synergy
Dread Return
13%inclusion4 decks31 decks
8%synergy
Buried Alive
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1%synergy
Eventide's Shadow
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-4%synergy
Faithless Looting
13%inclusion4 decks31 decks
-6%synergy
Drown in Ichor
10%inclusion3 decks31 decks
9%synergy
Unnatural Restoration
10%inclusion3 decks31 decks
8%synergy
Unearth
10%inclusion3 decks31 decks
7%synergy
Green Sun's Zenith
10%inclusion3 decks31 decks
6%synergy
Bogslither's Embrace
10%inclusion3 decks31 decks
6%synergy
Blasphemous Edict
10%inclusion3 decks31 decks
4%synergy
Living Death
10%inclusion3 decks31 decks
2%synergy
Soul Immolation
10%inclusion3 decks31 decks
2%synergy
Utility Artifacts
Contagion Clasp
32%inclusion10 decks31 decks
28%synergy
Ashnod's Altar
32%inclusion10 decks31 decks
21%synergy
Phyrexian Altar
26%inclusion8 decks31 decks
19%synergy
Birthing Pod
23%inclusion7 decks31 decks
18%synergy
Chimil, the Inner Sun
19%inclusion6 decks31 decks
17%synergy
Contagion Engine
19%inclusion6 decks31 decks
17%synergy
Skullclamp
19%inclusion6 decks31 decks
5%synergy
Altar of Dementia
10%inclusion3 decks31 decks
5%synergy
Enchantments
All Will Be One
35%inclusion11 decks31 decks
32%synergy
Goblin Bombardment
35%inclusion11 decks31 decks
26%synergy
Bastion of Remembrance
32%inclusion10 decks31 decks
27%synergy
Rhythm of the Wild
32%inclusion10 decks31 decks
14%synergy
Animate Dead
29%inclusion9 decks31 decks
20%synergy
Crumbling Ashes
19%inclusion6 decks31 decks
18%synergy
Lasting Tarfire
19%inclusion6 decks31 decks
4%synergy
Sylvan Library
16%inclusion5 decks31 decks
8%synergy
Puca's Covenant
13%inclusion4 decks31 decks
-1%synergy
Dance of the Dead
10%inclusion3 decks31 decks
9%synergy
Hollowmurk Siege
10%inclusion3 decks31 decks
8%synergy
The Meathook Massacre
10%inclusion3 decks31 decks
6%synergy
Birthing Ritual
10%inclusion3 decks31 decks
6%synergy
Ripples of Undeath
10%inclusion3 decks31 decks
2%synergy
Boggart Mischief
6.5%inclusion2 decks31 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
29%inclusion9 decks31 decks
25%synergy
Utility Lands
Nesting Grounds
48%inclusion15 decks31 decks
43%synergy
Bojuka Bog
39%inclusion12 decks31 decks
6%synergy
Ifnir Deadlands
32%inclusion10 decks31 decks
29%synergy
Karn's Bastion
29%inclusion9 decks31 decks
26%synergy
Reliquary Tower
23%inclusion7 decks31 decks
3%synergy
Urborg, Tomb of Yawgmoth
19%inclusion6 decks31 decks
1%synergy
Boseiju, Who Endures
19%inclusion6 decks31 decks
0%synergy
Phyrexian Tower
13%inclusion4 decks31 decks
3%synergy
Yavimaya, Cradle of Growth
13%inclusion4 decks31 decks
-8%synergy
High Market
10%inclusion3 decks31 decks
6%synergy
Shifting Woodland
10%inclusion3 decks31 decks
-2%synergy
Mana Artifacts
Sol Ring
94%inclusion29 decks31 decks
12%synergy
Arcane Signet
77%inclusion24 decks31 decks
8%synergy
Wickersmith's Tools
19%inclusion6 decks31 decks
5%synergy
Fellwar Stone
16%inclusion5 decks31 decks
4%synergy
Talisman of Resilience
10%inclusion3 decks31 decks
-4%synergy
Lands
Command Tower
94%inclusion29 decks31 decks
3%synergy
Overgrown Tomb
87%inclusion27 decks31 decks
40%synergy
Stomping Ground
84%inclusion26 decks31 decks
34%synergy
Blood Crypt
77%inclusion24 decks31 decks
33%synergy
Dragonskull Summit
68%inclusion21 decks31 decks
35%synergy
Woodland Cemetery
68%inclusion21 decks31 decks
33%synergy
Exotic Orchard
65%inclusion20 decks31 decks
17%synergy
Rootbound Crag
55%inclusion17 decks31 decks
23%synergy
Wooded Foothills
55%inclusion17 decks31 decks
18%synergy
Cinder Glade
55%inclusion17 decks31 decks
5%synergy
Verdant Catacombs
52%inclusion16 decks31 decks
16%synergy
Bloodstained Mire
52%inclusion16 decks31 decks
15%synergy
Smoldering Marsh
52%inclusion16 decks31 decks
5%synergy
Vernal Fen
45%inclusion14 decks31 decks
17%synergy
Ziatora's Proving Ground
45%inclusion14 decks31 decks
-1%synergy
Luxury Suite
42%inclusion13 decks31 decks
16%synergy
Undergrowth Stadium
42%inclusion13 decks31 decks
13%synergy
Savage Lands
42%inclusion13 decks31 decks
-2%synergy
Llanowar Wastes
39%inclusion12 decks31 decks
10%synergy
Sulfurous Springs
35%inclusion11 decks31 decks
14%synergy
Spire Garden
35%inclusion11 decks31 decks
9%synergy
Path of Ancestry
29%inclusion9 decks31 decks
11%synergy
Wastewood Verge
26%inclusion8 decks31 decks
19%synergy
Blazemire Verge
26%inclusion8 decks31 decks
18%synergy
Commercial District
26%inclusion8 decks31 decks
9%synergy
Underground Mortuary
26%inclusion8 decks31 decks
9%synergy
Karplusan Forest
26%inclusion8 decks31 decks
3%synergy
Riveteers Overlook
26%inclusion8 decks31 decks
-4%synergy
City of Brass
23%inclusion7 decks31 decks
15%synergy
Polluted Delta
23%inclusion7 decks31 decks
13%synergy
Badlands
23%inclusion7 decks31 decks
10%synergy
Taiga
23%inclusion7 decks31 decks
10%synergy
Bayou
23%inclusion7 decks31 decks
10%synergy
Raucous Theater
23%inclusion7 decks31 decks
7%synergy
Twilight Mire
19%inclusion6 decks31 decks
5%synergy
Canyon Slough
19%inclusion6 decks31 decks
4%synergy
Twisted Landscape
19%inclusion6 decks31 decks
-5%synergy
Evolving Wilds
19%inclusion6 decks31 decks
-15%synergy
Mana Confluence
16%inclusion5 decks31 decks
9%synergy
Thornspire Verge
16%inclusion5 decks31 decks
9%synergy
Misty Rainforest
16%inclusion5 decks31 decks
6%synergy
Windswept Heath
16%inclusion5 decks31 decks
5%synergy
Golgari Rot Farm
16%inclusion5 decks31 decks
2%synergy
Marsh Flats
13%inclusion4 decks31 decks
3%synergy
Gruul Turf
13%inclusion4 decks31 decks
0%synergy
Sheltered Thicket
13%inclusion4 decks31 decks
-3%synergy
Terramorphic Expanse
13%inclusion4 decks31 decks
-16%synergy
Forbidden Orchard
10%inclusion3 decks31 decks
7%synergy
Darkbore Pathway
10%inclusion3 decks31 decks
5%synergy
Foreboding Ruins
10%inclusion3 decks31 decks
2%synergy