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%inclusion22 decks13.8K decks
The Reaper, King No More
0.4%inclusion16 decks4.31K decks
New Cards
Cauldron of Essence
50%inclusion1 decks2 decks
46%synergy
Dina's Guidance
50%inclusion1 decks2 decks
48%synergy
Topiary Lecturer
50%inclusion1 decks2 decks
50%synergy
Vicious Rivalry
50%inclusion1 decks2 decks
49%synergy
Turbulent Fen
20%inclusion1 decks5 decks
19%synergy
High Synergy Cards
Blowfly Infestation
79%inclusion30 decks38 decks
72%synergy
Hapatra, Vizier of Poisons
74%inclusion28 decks38 decks
67%synergy
Black Sun's Zenith
74%inclusion28 decks38 decks
66%synergy
Nest of Scarabs
71%inclusion27 decks38 decks
66%synergy
Yawgmoth, Thran Physician
71%inclusion27 decks38 decks
65%synergy
Devoted Druid
68%inclusion26 decks38 decks
62%synergy
Massacre Girl, Known Killer
68%inclusion26 decks38 decks
61%synergy
Necroskitter
66%inclusion25 decks38 decks
59%synergy
Flourishing Defenses
63%inclusion24 decks38 decks
57%synergy
Kulrath Knight
61%inclusion23 decks38 decks
54%synergy
Top Cards
Ignoble Hierarch
89%inclusion34 decks38 decks
33%synergy
Assassin's Trophy
74%inclusion28 decks38 decks
29%synergy
The Scorpion God
61%inclusion23 decks38 decks
54%synergy
Reanimate
61%inclusion23 decks38 decks
38%synergy
Persist
58%inclusion22 decks38 decks
51%synergy
Dread Tiller
58%inclusion22 decks38 decks
39%synergy
Maha, Its Feathers Night
55%inclusion21 decks38 decks
51%synergy
Channeler Initiate
55%inclusion21 decks38 decks
50%synergy
Viscera Seer
55%inclusion21 decks38 decks
45%synergy
Obelisk Spider
53%inclusion20 decks38 decks
48%synergy
Game Changers
Worldly Tutor
24%inclusion9 decks38 decks
14%synergy
Gaea's Cradle
13%inclusion5 decks38 decks
10%synergy
Mana Vault
13%inclusion5 decks38 decks
9%synergy
The One Ring
13%inclusion5 decks38 decks
9%synergy
Gamble
13%inclusion5 decks38 decks
7%synergy
Orcish Bowmasters
13%inclusion5 decks38 decks
7%synergy
Mox Diamond
11%inclusion4 decks38 decks
7%synergy
Chrome Mox
11%inclusion4 decks38 decks
7%synergy
Underworld Breach
11%inclusion4 decks38 decks
6%synergy
Natural Order
7.9%inclusion3 decks38 decks
7%synergy
Creatures
Blood Artist
53%inclusion20 decks38 decks
43%synergy
Sinister Gnarlbark
53%inclusion20 decks38 decks
35%synergy
Wickerbough Elder
50%inclusion19 decks38 decks
44%synergy
Soul Snuffers
50%inclusion19 decks38 decks
44%synergy
Village Pillagers
47%inclusion18 decks38 decks
28%synergy
Grumgully, the Generous
45%inclusion17 decks38 decks
42%synergy
Persistent Constrictor
45%inclusion17 decks38 decks
41%synergy
Generous Patron
45%inclusion17 decks38 decks
41%synergy
Birds of Paradise
45%inclusion17 decks38 decks
14%synergy
Murderous Redcap
42%inclusion16 decks38 decks
40%synergy
Carnifex Demon
42%inclusion16 decks38 decks
36%synergy
Midnight Banshee
39%inclusion15 decks38 decks
34%synergy
Evolution Sage
39%inclusion15 decks38 decks
32%synergy
Zulaport Cutthroat
39%inclusion15 decks38 decks
30%synergy
Scuzzback Scrounger
39%inclusion15 decks38 decks
29%synergy
Skinrender
37%inclusion14 decks38 decks
32%synergy
Warren Soultrader
37%inclusion14 decks38 decks
29%synergy
Dusk Urchins
34%inclusion13 decks38 decks
29%synergy
Putrid Goblin
32%inclusion12 decks38 decks
30%synergy
Tree of Perdition
32%inclusion12 decks38 decks
27%synergy
Protean Hulk
32%inclusion12 decks38 decks
26%synergy
Dawnhand Dissident
32%inclusion12 decks38 decks
23%synergy
Puppeteer Clique
26%inclusion10 decks38 decks
23%synergy
Delighted Halfling
26%inclusion10 decks38 decks
14%synergy
Bloom Tender
24%inclusion9 decks38 decks
17%synergy
Hexing Squelcher
24%inclusion9 decks38 decks
14%synergy
Quillspike
21%inclusion8 decks38 decks
20%synergy
Cankerbloom
21%inclusion8 decks38 decks
16%synergy
Glissa Sunslayer
21%inclusion8 decks38 decks
14%synergy
Oft-Nabbed Goat
21%inclusion8 decks38 decks
6%synergy
Formidable Speaker
18%inclusion7 decks38 decks
16%synergy
Carrion Feeder
18%inclusion7 decks38 decks
15%synergy
Pitiless Plunderer
18%inclusion7 decks38 decks
6%synergy
Walking Ballista
16%inclusion6 decks38 decks
14%synergy
Champion of the Weird
16%inclusion6 decks38 decks
14%synergy
High Perfect Morcant
16%inclusion6 decks38 decks
14%synergy
Sephiroth, Fabled SOLDIER
16%inclusion6 decks38 decks
13%synergy
Spitting Dilophosaurus
16%inclusion6 decks38 decks
13%synergy
Gristle Glutton
16%inclusion6 decks38 decks
12%synergy
Grim Poppet
16%inclusion6 decks38 decks
12%synergy
Morbid Opportunist
16%inclusion6 decks38 decks
9%synergy
Elves of Deep Shadow
16%inclusion6 decks38 decks
7%synergy
Deathrite Shaman
16%inclusion6 decks38 decks
5%synergy
Young Wolf
13%inclusion5 decks38 decks
13%synergy
Corrosive Mentor
13%inclusion5 decks38 decks
12%synergy
Harbinger of Night
13%inclusion5 decks38 decks
12%synergy
Ammit Eternal
13%inclusion5 decks38 decks
12%synergy
Gravecrawler
13%inclusion5 decks38 decks
12%synergy
Moonshadow
13%inclusion5 decks38 decks
10%synergy
Auntie Ool, Cursewretch
13%inclusion5 decks38 decks
9%synergy
Instants
Dark Ritual
32%inclusion12 decks38 decks
18%synergy
Terminate
29%inclusion11 decks38 decks
1%synergy
Burnt Offering
26%inclusion10 decks38 decks
25%synergy
Saw in Half
26%inclusion10 decks38 decks
22%synergy
Putrefy
26%inclusion10 decks38 decks
3%synergy
Malakir Rebirth
21%inclusion8 decks38 decks
12%synergy
Revitalizing Repast
21%inclusion8 decks38 decks
11%synergy
Entomb
21%inclusion8 decks38 decks
10%synergy
Infernal Grasp
21%inclusion8 decks38 decks
7%synergy
Heroic Intervention
21%inclusion8 decks38 decks
-5%synergy
Atomize
18%inclusion7 decks38 decks
16%synergy
Deflecting Swat
16%inclusion6 decks38 decks
0%synergy
Fire Covenant
13%inclusion5 decks38 decks
9%synergy
Blight Rot
13%inclusion5 decks38 decks
8%synergy
Veil of Summer
13%inclusion5 decks38 decks
7%synergy
Fell the Profane
13%inclusion5 decks38 decks
7%synergy
Vampiric Tutor
13%inclusion5 decks38 decks
2%synergy
Deadly Dispute
13%inclusion5 decks38 decks
-1%synergy
Sacrifice
11%inclusion4 decks38 decks
10%synergy
Lightning Bolt
11%inclusion4 decks38 decks
6%synergy
Pyroblast
11%inclusion4 decks38 decks
6%synergy
Abrupt Decay
11%inclusion4 decks38 decks
-1%synergy
Deadly Rollick
11%inclusion4 decks38 decks
-2%synergy
Chaos Warp
11%inclusion4 decks38 decks
-12%synergy
Manamorphose
7.9%inclusion3 decks38 decks
7%synergy
Cathartic Pyre
7.9%inclusion3 decks38 decks
6%synergy
Grim Affliction
7.9%inclusion3 decks38 decks
6%synergy
Golgari Charm
7.9%inclusion3 decks38 decks
5%synergy
Cabal Ritual
7.9%inclusion3 decks38 decks
4%synergy
Red Elemental Blast
7.9%inclusion3 decks38 decks
3%synergy
Tear Asunder
7.9%inclusion3 decks38 decks
-6%synergy
Crop Rotation
7.9%inclusion3 decks38 decks
-6%synergy
Sorceries
Eldritch Evolution
42%inclusion16 decks38 decks
36%synergy
Farseek
34%inclusion13 decks38 decks
-14%synergy
Aberrant Return
29%inclusion11 decks38 decks
13%synergy
Nature's Lore
29%inclusion11 decks38 decks
-10%synergy
Diabolic Intent
26%inclusion10 decks38 decks
18%synergy
Culling Ritual
26%inclusion10 decks38 decks
15%synergy
Night's Whisper
26%inclusion10 decks38 decks
15%synergy
Victimize
26%inclusion10 decks38 decks
6%synergy
Incremental Blight
21%inclusion8 decks38 decks
16%synergy
Three Visits
21%inclusion8 decks38 decks
-3%synergy
Blasphemous Act
21%inclusion8 decks38 decks
-20%synergy
Painful Truths
18%inclusion7 decks38 decks
12%synergy
Darkness Descends
18%inclusion7 decks38 decks
12%synergy
Eventide's Shadow
18%inclusion7 decks38 decks
6%synergy
Demonic Tutor
18%inclusion7 decks38 decks
3%synergy
Chain Reaction
16%inclusion6 decks38 decks
11%synergy
Burning Curiosity
16%inclusion6 decks38 decks
7%synergy
Faithless Looting
16%inclusion6 decks38 decks
-2%synergy
Unmarked Grave
13%inclusion5 decks38 decks
9%synergy
Buried Alive
13%inclusion5 decks38 decks
1%synergy
Drown in Ichor
11%inclusion4 decks38 decks
10%synergy
Unnatural Restoration
11%inclusion4 decks38 decks
9%synergy
Green Sun's Zenith
11%inclusion4 decks38 decks
7%synergy
Dread Return
11%inclusion4 decks38 decks
6%synergy
Blasphemous Edict
11%inclusion4 decks38 decks
5%synergy
Soul Immolation
11%inclusion4 decks38 decks
4%synergy
Living Death
11%inclusion4 decks38 decks
3%synergy
Toxic Deluge
11%inclusion4 decks38 decks
-5%synergy
Rampant Growth
11%inclusion4 decks38 decks
-21%synergy
Cultivate
11%inclusion4 decks38 decks
-31%synergy
Metamorphosis
7.9%inclusion3 decks38 decks
8%synergy
Profane Tutor
7.9%inclusion3 decks38 decks
7%synergy
Life // Death
7.9%inclusion3 decks38 decks
7%synergy
Chain of Smog
7.9%inclusion3 decks38 decks
6%synergy
Beseech the Mirror
7.9%inclusion3 decks38 decks
6%synergy
Unearth
7.9%inclusion3 decks38 decks
5%synergy
Nature's Rhythm
7.9%inclusion3 decks38 decks
5%synergy
Bogslither's Embrace
7.9%inclusion3 decks38 decks
4%synergy
Jeska's Will
7.9%inclusion3 decks38 decks
1%synergy
Bala Ged Recovery
7.9%inclusion3 decks38 decks
-1%synergy
Utility Artifacts
Contagion Clasp
34%inclusion13 decks38 decks
29%synergy
Birthing Pod
26%inclusion10 decks38 decks
22%synergy
Ashnod's Altar
24%inclusion9 decks38 decks
13%synergy
Phyrexian Altar
21%inclusion8 decks38 decks
14%synergy
Skullclamp
18%inclusion7 decks38 decks
4%synergy
Chimil, the Inner Sun
16%inclusion6 decks38 decks
13%synergy
Contagion Engine
16%inclusion6 decks38 decks
13%synergy
Agatha's Soul Cauldron
11%inclusion4 decks38 decks
10%synergy
Wishclaw Talisman
7.9%inclusion3 decks38 decks
5%synergy
Enchantments
Everlasting Torment
53%inclusion20 decks38 decks
46%synergy
Grave Venerations
47%inclusion18 decks38 decks
33%synergy
All Will Be One
34%inclusion13 decks38 decks
31%synergy
Goblin Bombardment
34%inclusion13 decks38 decks
24%synergy
Bastion of Remembrance
32%inclusion12 decks38 decks
27%synergy
Rhythm of the Wild
32%inclusion12 decks38 decks
14%synergy
Animate Dead
29%inclusion11 decks38 decks
20%synergy
Crumbling Ashes
21%inclusion8 decks38 decks
19%synergy
Sylvan Library
16%inclusion6 decks38 decks
8%synergy
Lasting Tarfire
16%inclusion6 decks38 decks
4%synergy
The Meathook Massacre
13%inclusion5 decks38 decks
10%synergy
Dance of the Dead
11%inclusion4 decks38 decks
10%synergy
Puca's Covenant
11%inclusion4 decks38 decks
0%synergy
Pattern of Rebirth
7.9%inclusion3 decks38 decks
7%synergy
Survival of the Fittest
7.9%inclusion3 decks38 decks
6%synergy
Birthing Ritual
7.9%inclusion3 decks38 decks
4%synergy
Planeswalkers
Vraska, Betrayal's Sting
32%inclusion12 decks38 decks
27%synergy
Utility Lands
Nesting Grounds
50%inclusion19 decks38 decks
44%synergy
Bojuka Bog
37%inclusion14 decks38 decks
4%synergy
Karn's Bastion
29%inclusion11 decks38 decks
26%synergy
Ifnir Deadlands
26%inclusion10 decks38 decks
22%synergy
Boseiju, Who Endures
24%inclusion9 decks38 decks
4%synergy
Reliquary Tower
24%inclusion9 decks38 decks
4%synergy
Urborg, Tomb of Yawgmoth
21%inclusion8 decks38 decks
3%synergy
Phyrexian Tower
18%inclusion7 decks38 decks
9%synergy
Yavimaya, Cradle of Growth
16%inclusion6 decks38 decks
-5%synergy
Ancient Tomb
13%inclusion5 decks38 decks
6%synergy
Shifting Woodland
11%inclusion4 decks38 decks
-1%synergy
Dryad Arbor
7.9%inclusion3 decks38 decks
4%synergy
Cabal Coffers
7.9%inclusion3 decks38 decks
4%synergy
Takenuma, Abandoned Mire
7.9%inclusion3 decks38 decks
-2%synergy
Mana Artifacts
Sol Ring
95%inclusion36 decks38 decks
13%synergy
Arcane Signet
79%inclusion30 decks38 decks
9%synergy
Fellwar Stone
21%inclusion8 decks38 decks
9%synergy
Wickersmith's Tools
18%inclusion7 decks38 decks
7%synergy
Talisman of Resilience
13%inclusion5 decks38 decks
-1%synergy
Mox Opal
7.9%inclusion3 decks38 decks
6%synergy
Staff of Compleation
7.9%inclusion3 decks38 decks
6%synergy
Lotus Petal
7.9%inclusion3 decks38 decks
3%synergy
Commander's Sphere
7.9%inclusion3 decks38 decks
-1%synergy
Talisman of Indulgence
7.9%inclusion3 decks38 decks
-4%synergy
Lands
Command Tower
95%inclusion36 decks38 decks
4%synergy
Overgrown Tomb
84%inclusion32 decks38 decks
36%synergy
Blood Crypt
79%inclusion30 decks38 decks
34%synergy
Stomping Ground
79%inclusion30 decks38 decks
29%synergy
Dragonskull Summit
68%inclusion26 decks38 decks
34%synergy
Woodland Cemetery
66%inclusion25 decks38 decks
30%synergy
Exotic Orchard
66%inclusion25 decks38 decks
18%synergy
Bloodstained Mire
58%inclusion22 decks38 decks
21%synergy
Cinder Glade
55%inclusion21 decks38 decks
5%synergy
Wooded Foothills
53%inclusion20 decks38 decks
16%synergy
Verdant Catacombs
50%inclusion19 decks38 decks
15%synergy
Savage Lands
50%inclusion19 decks38 decks
6%synergy
Smoldering Marsh
50%inclusion19 decks38 decks
3%synergy
Vernal Fen
47%inclusion18 decks38 decks
19%synergy
Rootbound Crag
47%inclusion18 decks38 decks
15%synergy
Ziatora's Proving Ground
45%inclusion17 decks38 decks
-1%synergy
Luxury Suite
42%inclusion16 decks38 decks
16%synergy
Undergrowth Stadium
37%inclusion14 decks38 decks
8%synergy
Sulfurous Springs
34%inclusion13 decks38 decks
12%synergy
Llanowar Wastes
34%inclusion13 decks38 decks
5%synergy
Spire Garden
32%inclusion12 decks38 decks
5%synergy
Underground Mortuary
29%inclusion11 decks38 decks
12%synergy
Riveteers Overlook
29%inclusion11 decks38 decks
-1%synergy
Blazemire Verge
26%inclusion10 decks38 decks
19%synergy
Raucous Theater
26%inclusion10 decks38 decks
11%synergy
Path of Ancestry
26%inclusion10 decks38 decks
7%synergy
City of Brass
24%inclusion9 decks38 decks
16%synergy
Polluted Delta
24%inclusion9 decks38 decks
15%synergy
Badlands
24%inclusion9 decks38 decks
12%synergy
Taiga
24%inclusion9 decks38 decks
11%synergy
Bayou
24%inclusion9 decks38 decks
11%synergy
Wastewood Verge
21%inclusion8 decks38 decks
15%synergy
Misty Rainforest
21%inclusion8 decks38 decks
11%synergy
Commercial District
21%inclusion8 decks38 decks
5%synergy
Karplusan Forest
21%inclusion8 decks38 decks
-3%synergy
Mana Confluence
18%inclusion7 decks38 decks
12%synergy
Twilight Mire
18%inclusion7 decks38 decks
4%synergy
Twisted Landscape
18%inclusion7 decks38 decks
-5%synergy
Blightstep Pathway
16%inclusion6 decks38 decks
11%synergy
Thornspire Verge
16%inclusion6 decks38 decks
8%synergy
Marsh Flats
16%inclusion6 decks38 decks
6%synergy
Windswept Heath
16%inclusion6 decks38 decks
5%synergy
Golgari Rot Farm
16%inclusion6 decks38 decks
2%synergy
Deathcap Glade
16%inclusion6 decks38 decks
2%synergy
Evolving Wilds
16%inclusion6 decks38 decks
-18%synergy
Scalding Tarn
13%inclusion5 decks38 decks
5%synergy
Haunted Ridge
13%inclusion5 decks38 decks
0%synergy
Fabled Passage
13%inclusion5 decks38 decks
-11%synergy
Gemstone Caverns
11%inclusion4 decks38 decks
7%synergy
Darkbore Pathway
11%inclusion4 decks38 decks
6%synergy