Mikaeus, the Unhallowed
Umbral Collar Zealot
Moonshadow

   Prerequisites

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

   Steps

How does this combo work?
1
Activate Umbral Collar Zealot by sacrificing Moonshadow.
2
When Moonshadow dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
3
Resolve the Umbral Collar Zealot ability
4
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite death triggers
Infinite sacrifice triggers
Infinite surveil
Eirdu, Carrier of Dawn
0.6%inclusion19 decks3K decks
The Reaper, King No More
0.0%inclusion1 decks3.15K decks
Auntie Ool, Cursewretch
0.0%inclusion1 decks9.64K decks
Top Commanders
Xu-Ifit, Osteoharmonist
0.6%inclusion20 decks3.15K decks
Mikaeus, the Unhallowed
0.2%inclusion4 decks1.89K decks
Meren of Clan Nel Toth
0.0%inclusion4 decks19.5K decks
Sephiroth, Fabled SOLDIER
0.0%inclusion4 decks20.3K decks
Shadowheart, Dark Justiciar // Scion of Halaster
2.0%inclusion1 decks51 decks
Terra, Herald of Hope
0.0%inclusion1 decks12.3K decks
Tayam, Luminous Enigma
0.0%inclusion1 decks7.71K decks
Keskit, the Flesh Sculptor // Tormod, the Desecrator
0.8%inclusion1 decks124 decks
Karador, Ghost Chieftain
0.0%inclusion1 decks6.19K decks
New Cards
Scuzzback Scrounger
67%inclusion2 decks3 decks
65%synergy
Twilight Diviner
57%inclusion33 decks58 decks
54%synergy
Emptiness
50%inclusion11 decks22 decks
49%synergy
Rhys, the Evermore
50%inclusion11 decks22 decks
49%synergy
Formidable Speaker
50%inclusion4 decks8 decks
47%synergy
High Synergy Cards
Vizier of Remedies
59%inclusion13 decks22 decks
59%synergy
Haywire Mite
63%inclusion5 decks8 decks
59%synergy
Cathars' Crusade
64%inclusion14 decks22 decks
58%synergy
Eternal Witness
75%inclusion6 decks8 decks
58%synergy
Elas il-Kor, Sadistic Pilgrim
64%inclusion14 decks22 decks
54%synergy
Luminous Broodmoth
55%inclusion12 decks22 decks
52%synergy
Birthing Pod
50%inclusion4 decks8 decks
48%synergy
Susur Secundi, Void Altar
50%inclusion29 decks58 decks
48%synergy
Spore Frog
50%inclusion4 decks8 decks
47%synergy
Solemnity
45%inclusion10 decks22 decks
45%synergy
Top Cards
Dark Ritual
59%inclusion34 decks58 decks
34%synergy
Victimize
57%inclusion33 decks58 decks
45%synergy
Reanimate
57%inclusion33 decks58 decks
38%synergy
Viscera Seer
52%inclusion30 decks58 decks
44%synergy
Wight of the Reliquary
50%inclusion4 decks8 decks
45%synergy
Elenda, the Dusk Rose
50%inclusion11 decks22 decks
45%synergy
Insidious Roots
50%inclusion4 decks8 decks
44%synergy
Gray Merchant of Asphodel
50%inclusion29 decks58 decks
41%synergy
Sakura-Tribe Elder
50%inclusion4 decks8 decks
34%synergy
Path to Exile
50%inclusion11 decks22 decks
3%synergy
Game Changers
Bolas's Citadel
14%inclusion8 decks58 decks
6%synergy
Demonic Tutor
14%inclusion8 decks58 decks
-6%synergy
Smothering Tithe
14%inclusion3 decks22 decks
-8%synergy
Orcish Bowmasters
10%inclusion6 decks58 decks
2%synergy
Vampiric Tutor
6.9%inclusion4 decks58 decks
-8%synergy
Necropotence
5.2%inclusion3 decks58 decks
0%synergy
Chrome Mox
5.2%inclusion3 decks58 decks
-1%synergy
Creatures
Auntie Ool, Cursewretch
50%inclusion1 decks2 decks
48%synergy
Blood Artist
47%inclusion27 decks58 decks
35%synergy
Cruel Celebrant
45%inclusion10 decks22 decks
38%synergy
Syr Konrad, the Grim
45%inclusion26 decks58 decks
36%synergy
Pitiless Plunderer
40%inclusion23 decks58 decks
31%synergy
Protean Hulk
38%inclusion3 decks8 decks
36%synergy
Devoted Druid
38%inclusion3 decks8 decks
34%synergy
Cankerbloom
38%inclusion3 decks8 decks
33%synergy
Reclamation Sage
38%inclusion3 decks8 decks
29%synergy
Deathrite Shaman
38%inclusion3 decks8 decks
27%synergy
Llanowar Elves
38%inclusion3 decks8 decks
17%synergy
Birds of Paradise
38%inclusion3 decks8 decks
10%synergy
Scholar of New Horizons
36%inclusion8 decks22 decks
35%synergy
Zulaport Cutthroat
36%inclusion21 decks58 decks
28%synergy
Death's Shadow
34%inclusion20 decks58 decks
34%synergy
Stitcher's Supplier
34%inclusion20 decks58 decks
31%synergy
Warren Torchmaster
33%inclusion1 decks3 decks
33%synergy
Grub, Storied Matriarch
33%inclusion1 decks3 decks
32%synergy
Shadow Urchin
33%inclusion1 decks3 decks
32%synergy
Boggart Cursecrafter
33%inclusion1 decks3 decks
32%synergy
Village Pillagers
33%inclusion1 decks3 decks
31%synergy
Braids, Arisen Nightmare
33%inclusion19 decks58 decks
26%synergy
Corpse Knight
32%inclusion7 decks22 decks
27%synergy
Sun Titan
32%inclusion7 decks22 decks
24%synergy
Void Beckoner
31%inclusion18 decks58 decks
31%synergy
Disciple of Bolas
31%inclusion18 decks58 decks
29%synergy
Warren Soultrader
31%inclusion18 decks58 decks
26%synergy
Skeleton Crew
28%inclusion16 decks58 decks
27%synergy
Shadowheart, Dark Justiciar
28%inclusion16 decks58 decks
27%synergy
Solemn Simulacrum
28%inclusion16 decks58 decks
15%synergy
Charismatic Conqueror
27%inclusion6 decks22 decks
24%synergy
Bartolomé del Presidio
27%inclusion6 decks22 decks
23%synergy
Witch Enchanter
27%inclusion6 decks22 decks
20%synergy
Rotting Regisaur
26%inclusion15 decks58 decks
25%synergy
Yawgmoth, Thran Physician
26%inclusion15 decks58 decks
23%synergy
Morbid Opportunist
26%inclusion15 decks58 decks
18%synergy
Gisa, the Hellraiser
24%inclusion14 decks58 decks
23%synergy
Troll of Khazad-dûm
24%inclusion14 decks58 decks
23%synergy
Ghoulcaller Gisa
24%inclusion14 decks58 decks
23%synergy
Carrion Feeder
24%inclusion14 decks58 decks
20%synergy
Adept Watershaper
23%inclusion5 decks22 decks
22%synergy
Welcoming Vampire
23%inclusion5 decks22 decks
17%synergy
Lotho, Corrupt Shirriff
23%inclusion5 decks22 decks
10%synergy
Soldevi Adnate
22%inclusion13 decks58 decks
22%synergy
Ancient Stone Idol
22%inclusion13 decks58 decks
22%synergy
Death Baron
21%inclusion12 decks58 decks
19%synergy
Valgavoth, Terror Eater
21%inclusion12 decks58 decks
18%synergy
Marionette Apprentice
21%inclusion12 decks58 decks
16%synergy
Crypt Ghast
21%inclusion12 decks58 decks
16%synergy
Phyrexian Soulgorger
19%inclusion11 decks58 decks
19%synergy
Instants
Swords to Plowshares
50%inclusion11 decks22 decks
-11%synergy
Deadly Dispute
41%inclusion24 decks58 decks
29%synergy
Entomb
36%inclusion21 decks58 decks
29%synergy
Village Rites
34%inclusion20 decks58 decks
25%synergy
Fracture
32%inclusion7 decks22 decks
27%synergy
Anguished Unmaking
32%inclusion7 decks22 decks
7%synergy
Withering Torment
29%inclusion17 decks58 decks
21%synergy
Fell the Profane
28%inclusion16 decks58 decks
19%synergy
Inkshield
27%inclusion6 decks22 decks
20%synergy
Saw in Half
26%inclusion15 decks58 decks
22%synergy
Malakir Rebirth
24%inclusion14 decks58 decks
16%synergy
Despark
23%inclusion5 decks22 decks
9%synergy
Culling the Weak
22%inclusion13 decks58 decks
18%synergy
Corrupted Conviction
22%inclusion13 decks58 decks
18%synergy
Archenemy's Charm
21%inclusion12 decks58 decks
19%synergy
Flare of Malice
21%inclusion12 decks58 decks
18%synergy
Bitter Triumph
19%inclusion11 decks58 decks
16%synergy
Flare of Fortitude
18%inclusion4 decks22 decks
14%synergy
Undying Malice
14%inclusion8 decks58 decks
12%synergy
Not Dead After All
14%inclusion8 decks58 decks
11%synergy
Deadly Rollick
14%inclusion8 decks58 decks
0%synergy
Pyrrhic Strike
14%inclusion3 decks22 decks
13%synergy
Afterlife Insurance
14%inclusion3 decks22 decks
13%synergy
Crib Swap
14%inclusion3 decks22 decks
12%synergy
Mortify
14%inclusion3 decks22 decks
3%synergy
Fake Your Own Death
12%inclusion7 decks58 decks
10%synergy
Feign Death
12%inclusion7 decks58 decks
10%synergy
Defile
12%inclusion7 decks58 decks
9%synergy
Infernal Grasp
12%inclusion7 decks58 decks
5%synergy
Sacrifice
10%inclusion6 decks58 decks
9%synergy
Imp's Mischief
10%inclusion6 decks58 decks
7%synergy
Cabal Ritual
10%inclusion6 decks58 decks
5%synergy
Appeal to Eirdu
9.1%inclusion2 decks22 decks
9%synergy
Protective Response
9.1%inclusion2 decks22 decks
9%synergy
Keep Out
9.1%inclusion2 decks22 decks
9%synergy
Personify
9.1%inclusion2 decks22 decks
8%synergy
Snuff Out
8.6%inclusion5 decks58 decks
5%synergy
Tragic Slip
8.6%inclusion5 decks58 decks
5%synergy
Blight Rot
6.9%inclusion4 decks58 decks
6%synergy
Supernatural Stamina
6.9%inclusion4 decks58 decks
5%synergy
Go for the Throat
6.9%inclusion4 decks58 decks
0%synergy
Requiting Hex
5.2%inclusion3 decks58 decks
5%synergy
Reckoner's Bargain
5.2%inclusion3 decks58 decks
4%synergy
Songs of the Damned
5.2%inclusion3 decks58 decks
4%synergy
Fatal Push
5.2%inclusion3 decks58 decks
4%synergy
Darkness
5.2%inclusion3 decks58 decks
4%synergy
Hagra Mauling
5.2%inclusion3 decks58 decks
4%synergy
Sorceries
Damn
41%inclusion9 decks22 decks
26%synergy
Toxic Deluge
34%inclusion20 decks58 decks
16%synergy
Buried Alive
28%inclusion16 decks58 decks
22%synergy
Feed the Swarm
28%inclusion16 decks58 decks
11%synergy
Blasphemous Edict
19%inclusion11 decks58 decks
13%synergy
Austere Command
18%inclusion4 decks22 decks
6%synergy
Dread Return
17%inclusion10 decks58 decks
12%synergy
Sign in Blood
17%inclusion10 decks58 decks
8%synergy
Night's Whisper
17%inclusion10 decks58 decks
8%synergy
Unmarked Grave
16%inclusion9 decks58 decks
13%synergy
Persist
16%inclusion9 decks58 decks
13%synergy
Living Death
14%inclusion8 decks58 decks
9%synergy
Damnation
14%inclusion8 decks58 decks
7%synergy
Diabolic Intent
14%inclusion8 decks58 decks
6%synergy
Idyllic Tutor
14%inclusion3 decks22 decks
10%synergy
Sevinne's Reclamation
14%inclusion3 decks22 decks
6%synergy
Rise of the Dark Realms
12%inclusion7 decks58 decks
7%synergy
Zero Point Ballad
10%inclusion6 decks58 decks
10%synergy
Unearth
10%inclusion6 decks58 decks
7%synergy
Morningtide's Light
9.1%inclusion2 decks22 decks
9%synergy
Winnowing
9.1%inclusion2 decks22 decks
8%synergy
Morbid Curiosity
8.6%inclusion5 decks58 decks
8%synergy
Grim Tutor
8.6%inclusion5 decks58 decks
5%synergy
Bone Shards
6.9%inclusion4 decks58 decks
6%synergy
Mutilate
6.9%inclusion4 decks58 decks
5%synergy
Agadeem's Awakening
6.9%inclusion4 decks58 decks
4%synergy
Exsanguinate
6.9%inclusion4 decks58 decks
0%synergy
Diresight
5.2%inclusion3 decks58 decks
4%synergy
Bubbling Muck
5.2%inclusion3 decks58 decks
4%synergy
Beseech the Mirror
5.2%inclusion3 decks58 decks
2%synergy
Breach the Multiverse
5.2%inclusion3 decks58 decks
2%synergy
Torment of Hailfire
5.2%inclusion3 decks58 decks
1%synergy
Diabolic Tutor
5.2%inclusion3 decks58 decks
0%synergy
Read the Bones
5.2%inclusion3 decks58 decks
-1%synergy
Utility Artifacts
Ashnod's Altar
48%inclusion28 decks58 decks
42%synergy
Jet Medallion
45%inclusion26 decks58 decks
41%synergy
Lightning Greaves
40%inclusion23 decks58 decks
15%synergy
Phyrexian Altar
38%inclusion22 decks58 decks
34%synergy
Altar of Dementia
34%inclusion20 decks58 decks
32%synergy
Skullclamp
34%inclusion20 decks58 decks
23%synergy
Swiftfoot Boots
33%inclusion19 decks58 decks
6%synergy
Conjurer's Closet
26%inclusion15 decks58 decks
23%synergy
The Darkness Crystal
21%inclusion12 decks58 decks
17%synergy
Thousand-Year Elixir
17%inclusion10 decks58 decks
16%synergy
Altar of the Wretched
12%inclusion7 decks58 decks
12%synergy
Cauldron of Souls
12%inclusion7 decks58 decks
12%synergy
Bontu's Monument
12%inclusion7 decks58 decks
10%synergy
Blasting Station
10%inclusion6 decks58 decks
10%synergy
Magewright's Stone
10%inclusion6 decks58 decks
10%synergy
Thornbite Staff
10%inclusion6 decks58 decks
10%synergy
Whip of Erebos
10%inclusion6 decks58 decks
7%synergy
The Fire Nation Drill
6.9%inclusion4 decks58 decks
6%synergy
Matzalantli, the Great Door
6.9%inclusion4 decks58 decks
6%synergy
Mask of Griselbrand
6.9%inclusion4 decks58 decks
6%synergy
Desecrated Tomb
5.2%inclusion3 decks58 decks
5%synergy
Codex Shredder
5.2%inclusion3 decks58 decks
4%synergy
Pearl Medallion
5.2%inclusion3 decks58 decks
3%synergy
Enchantments
Bastion of Remembrance
34%inclusion20 decks58 decks
28%synergy
Ripples of Undeath
31%inclusion18 decks58 decks
26%synergy
Corpses of the Lost
29%inclusion17 decks58 decks
29%synergy
Phyrexian Arena
28%inclusion16 decks58 decks
12%synergy
Animate Dead
22%inclusion13 decks58 decks
14%synergy
Teval's Judgment
19%inclusion11 decks58 decks
17%synergy
Grave Pact
19%inclusion11 decks58 decks
14%synergy
Kinbinding
18%inclusion4 decks22 decks
17%synergy
Barrensteppe Siege
18%inclusion4 decks22 decks
16%synergy
Tortured Existence
17%inclusion10 decks58 decks
15%synergy
Black Market Connections
16%inclusion9 decks58 decks
4%synergy
Thran Vigil
14%inclusion8 decks58 decks
13%synergy
Sothera, the Supervoid
14%inclusion8 decks58 decks
13%synergy
The Meathook Massacre
12%inclusion7 decks58 decks
7%synergy
Dictate of Erebos
10%inclusion6 decks58 decks
7%synergy
Bitterblossom
10%inclusion6 decks58 decks
6%synergy
Liminal Hold
9.1%inclusion2 decks22 decks
9%synergy
Grave Venerations
8.6%inclusion5 decks58 decks
6%synergy
Black Market
8.6%inclusion5 decks58 decks
4%synergy
Funeral Room // Awakening Hall
6.9%inclusion4 decks58 decks
5%synergy
Kaya's Ghostform
6.9%inclusion4 decks58 decks
3%synergy
Dance of the Dead
5.2%inclusion3 decks58 decks
4%synergy
Vampiric Rites
5.2%inclusion3 decks58 decks
3%synergy
Planeswalkers
Liliana, Dreadhorde General
17%inclusion10 decks58 decks
14%synergy
Utility Lands
Phyrexian Tower
50%inclusion29 decks58 decks
41%synergy
Bojuka Bog
45%inclusion26 decks58 decks
15%synergy
Cabal Coffers
38%inclusion22 decks58 decks
28%synergy
Dryad Arbor
38%inclusion3 decks8 decks
34%synergy
Boseiju, Who Endures
38%inclusion3 decks8 decks
19%synergy
Urborg, Tomb of Yawgmoth
36%inclusion21 decks58 decks
27%synergy
Abandoned Air Temple
32%inclusion7 decks22 decks
27%synergy
High Market
24%inclusion14 decks58 decks
22%synergy
Midgar, City of Mako
22%inclusion13 decks58 decks
19%synergy
Reliquary Tower
22%inclusion13 decks58 decks
-7%synergy
Spymaster's Vault
21%inclusion12 decks58 decks
18%synergy
Cabal Stronghold
21%inclusion12 decks58 decks
18%synergy
Takenuma, Abandoned Mire
21%inclusion12 decks58 decks
12%synergy
Crypt of Agadeem
17%inclusion10 decks58 decks
15%synergy
Nykthos, Shrine to Nyx
17%inclusion10 decks58 decks
12%synergy
Rogue's Passage
17%inclusion10 decks58 decks
-3%synergy
Accursed Duneyard
16%inclusion9 decks58 decks
15%synergy
Witch's Cottage
16%inclusion9 decks58 decks
12%synergy
Geier Reach Sanitarium
14%inclusion8 decks58 decks
11%synergy
Vault of the Archangel
14%inclusion3 decks22 decks
2%synergy
Nesting Grounds
10%inclusion6 decks58 decks
8%synergy
Castle Locthwain
10%inclusion6 decks58 decks
6%synergy
War Room
10%inclusion6 decks58 decks
5%synergy
Realm of Koh
8.6%inclusion5 decks58 decks
8%synergy
Command Beacon
8.6%inclusion5 decks58 decks
4%synergy
Westvale Abbey
6.9%inclusion4 decks58 decks
5%synergy
Dakmor Salvage
6.9%inclusion4 decks58 decks
5%synergy
Urza's Saga
6.9%inclusion4 decks58 decks
0%synergy
Barren Moor
5.2%inclusion3 decks58 decks
2%synergy
Mana Artifacts
Sol Ring
83%inclusion48 decks58 decks
-1%synergy
Arcane Signet
60%inclusion35 decks58 decks
-12%synergy
Orzhov Signet
50%inclusion11 decks22 decks
27%synergy
Talisman of Hierarchy
41%inclusion9 decks22 decks
15%synergy
The Soul Stone
22%inclusion13 decks58 decks
18%synergy
Patriar's Seal
12%inclusion7 decks58 decks
11%synergy
Lotus Petal
8.6%inclusion5 decks58 decks
2%synergy
Fellwar Stone
8.6%inclusion5 decks58 decks
-12%synergy
Bender's Waterskin
6.9%inclusion4 decks58 decks
4%synergy
Charcoal Diamond
6.9%inclusion4 decks58 decks
3%synergy
Commander's Sphere
6.9%inclusion4 decks58 decks
-5%synergy
Mind Stone
6.9%inclusion4 decks58 decks
-8%synergy
Nyx Lotus
5.2%inclusion3 decks58 decks
4%synergy
Mox Amber
5.2%inclusion3 decks58 decks
1%synergy
Thought Vessel
5.2%inclusion3 decks58 decks
-12%synergy
Lands
Godless Shrine
77%inclusion17 decks22 decks
36%synergy
Overgrown Tomb
75%inclusion6 decks8 decks
34%synergy
Isolated Chapel
68%inclusion15 decks22 decks
35%synergy
Caves of Koilos
59%inclusion13 decks22 decks
30%synergy
Shattered Sanctum
55%inclusion12 decks22 decks
40%synergy
Vault of Champions
55%inclusion12 decks22 decks
31%synergy
Bleachbone Verge
50%inclusion11 decks22 decks
42%synergy
Underground Mortuary
50%inclusion4 decks8 decks
37%synergy
Fetid Heath
45%inclusion10 decks22 decks
32%synergy
Command Tower
41%inclusion24 decks58 decks
-33%synergy
Darkbore Pathway
38%inclusion3 decks8 decks
31%synergy
Undergrowth Stadium
38%inclusion3 decks8 decks
14%synergy
Llanowar Wastes
38%inclusion3 decks8 decks
11%synergy
Shineshadow Snarl
36%inclusion8 decks22 decks
24%synergy
Tainted Field
36%inclusion8 decks22 decks
23%synergy
Shadowy Backstreet
27%inclusion6 decks22 decks
17%synergy
Brightclimb Pathway
23%inclusion5 decks22 decks
14%synergy
Temple of Silence
23%inclusion5 decks22 decks
5%synergy
Exotic Orchard
19%inclusion11 decks58 decks
-18%synergy
Thriving Heath
18%inclusion4 decks22 decks
15%synergy
Silent Clearing
18%inclusion4 decks22 decks
14%synergy
Orzhov Basilica
18%inclusion4 decks22 decks
4%synergy
Marsh Flats
14%inclusion8 decks58 decks
3%synergy
Desolate Mire
14%inclusion3 decks22 decks
7%synergy
Scrubland
14%inclusion3 decks22 decks
0%synergy
Fabled Passage
10%inclusion6 decks58 decks
1%synergy
Myriad Landscape
10%inclusion6 decks58 decks
-6%synergy
Urza's Cave
8.6%inclusion5 decks58 decks
6%synergy
Verdant Catacombs
8.6%inclusion5 decks58 decks
-2%synergy
Path of Ancestry
8.6%inclusion5 decks58 decks
-14%synergy
Bloodstained Mire
6.9%inclusion4 decks58 decks
-4%synergy
Terramorphic Expanse
5.2%inclusion3 decks58 decks
-10%synergy
Evolving Wilds
5.2%inclusion3 decks58 decks
-16%synergy