Eirdu, Carrier of Dawn
Mikaeus, the Unhallowed
Umbral Collar Zealot

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Eirdu as Isilu, Carrier of Twilight on the battlefield).
You control another nontoken non-Human creature with base toughness 2 or greater.

   Steps

How does this combo work?
1
Activate Umbral Collar Zealot by sacrificing another nontoken non-Human creature
2
When the creature dies, its undying ability triggers, returning the creature from your graveyard to the battlefield with a +1/+1 counter on it.
3
Activate Umbral Collar Zealot by sacrificing the creature with a +1/+1 counter on it.
4
When the creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
5
Resolve the Umbral Collar Zealot abilities from step 1 and 3.
6
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite surveil
Eirdu, Carrier of Dawn
23%inclusion256 decks1.10K decks
Top Commanders
Celes, Rune Knight
0.1%inclusion4 decks2.86K decks
Tayam, Luminous Enigma
0.2%inclusion3 decks1.86K decks
Karador, Ghost Chieftain
0.2%inclusion2 decks1.32K decks
Orah, Skyclave Hierophant
0.3%inclusion2 decks751 decks
Teysa Karlov
0.0%inclusion1 decks4.36K decks
Sefris of the Hidden Ways
0.0%inclusion1 decks2.42K decks
Myrkul, Lord of Bones
0.1%inclusion1 decks1.42K decks
Betor, Ancestor's Voice
0.0%inclusion1 decks3.97K decks
Othelm, Sigardian Outcast // Wernog, Rider's Chaplain
0.4%inclusion1 decks251 decks
Ratadrabik of Urborg
0.1%inclusion1 decks1.30K decks
New Cards
Formidable Speaker
38%inclusion3 decks8 decks
37%synergy
Bitterbloom Bearer
34%inclusion92 decks273 decks
33%synergy
Emptiness
29%inclusion80 decks273 decks
29%synergy
Redirect Lightning
25%inclusion1 decks4 decks
19%synergy
Rhys, the Evermore
16%inclusion11 decks68 decks
16%synergy
High Synergy Cards
Murderous Redcap
100%inclusion4 decks4 decks
98%synergy
Goblin Bombardment
100%inclusion4 decks4 decks
94%synergy
Viscera Seer
87%inclusion238 decks273 decks
79%synergy
Ashnod's Altar
79%inclusion217 decks273 decks
73%synergy
Elas il-Kor, Sadistic Pilgrim
81%inclusion221 decks273 decks
71%synergy
Warren Soultrader
74%inclusion203 decks273 decks
69%synergy
Geralf's Messenger
67%inclusion184 decks273 decks
67%synergy
Luminous Broodmoth
70%inclusion190 decks273 decks
67%synergy
Pitiless Plunderer
75%inclusion205 decks273 decks
67%synergy
Cruel Celebrant
73%inclusion200 decks273 decks
66%synergy
Top Cards
Zulaport Cutthroat
74%inclusion203 decks273 decks
66%synergy
Blood Artist
74%inclusion203 decks273 decks
63%synergy
Swords to Plowshares
71%inclusion195 decks273 decks
10%synergy
Carrion Feeder
70%inclusion190 decks273 decks
65%synergy
Phyrexian Altar
69%inclusion189 decks273 decks
66%synergy
Grim Haruspex
66%inclusion179 decks273 decks
63%synergy
Marionette Apprentice
63%inclusion173 decks273 decks
59%synergy
Dark Ritual
63%inclusion173 decks273 decks
39%synergy
Cathars' Crusade
63%inclusion172 decks273 decks
58%synergy
Skullclamp
63%inclusion172 decks273 decks
52%synergy
Game Changers
Gamble
75%inclusion3 decks4 decks
66%synergy
Demonic Tutor
35%inclusion95 decks273 decks
15%synergy
Vampiric Tutor
24%inclusion66 decks273 decks
9%synergy
Ancient Tomb
13%inclusion36 decks273 decks
4%synergy
Orcish Bowmasters
12%inclusion32 decks273 decks
3%synergy
The One Ring
11%inclusion31 decks273 decks
3%synergy
Bolas's Citadel
11%inclusion29 decks273 decks
3%synergy
Necropotence
10%inclusion27 decks273 decks
5%synergy
Imperial Seal
7.7%inclusion21 decks273 decks
2%synergy
Chrome Mox
7.7%inclusion21 decks273 decks
2%synergy
Creatures
Kitchen Finks
63%inclusion5 decks8 decks
62%synergy
Solemn Simulacrum
60%inclusion164 decks273 decks
47%synergy
Corpse Knight
54%inclusion148 decks273 decks
49%synergy
Yawgmoth, Thran Physician
52%inclusion142 decks273 decks
49%synergy
Sephiroth, Fabled SOLDIER
52%inclusion141 decks273 decks
49%synergy
Scholar of New Horizons
49%inclusion134 decks273 decks
48%synergy
Gray Merchant of Asphodel
49%inclusion133 decks273 decks
40%synergy
Witch Enchanter
48%inclusion132 decks273 decks
41%synergy
Morbid Opportunist
44%inclusion120 decks273 decks
37%synergy
Vizier of Remedies
42%inclusion115 decks273 decks
42%synergy
Woe Strider
41%inclusion113 decks273 decks
40%synergy
Basking Broodscale
38%inclusion3 decks8 decks
36%synergy
Aftermath Analyst
38%inclusion3 decks8 decks
33%synergy
Faeburrow Elder
38%inclusion3 decks8 decks
26%synergy
Delighted Halfling
38%inclusion3 decks8 decks
25%synergy
Birds of Paradise
38%inclusion3 decks8 decks
10%synergy
Esper Sentinel
37%inclusion102 decks273 decks
18%synergy
Midnight Reaper
37%inclusion101 decks273 decks
34%synergy
Pawn of Ulamog
37%inclusion100 decks273 decks
35%synergy
Butcher Ghoul
36%inclusion99 decks273 decks
36%synergy
Bartolomé del Presidio
35%inclusion96 decks273 decks
31%synergy
Lotho, Corrupt Shirriff
34%inclusion92 decks273 decks
20%synergy
Elenda, the Dusk Rose
33%inclusion91 decks273 decks
28%synergy
Charismatic Conqueror
32%inclusion86 decks273 decks
28%synergy
Sun Titan
27%inclusion75 decks273 decks
19%synergy
Enduring Innocence
25%inclusion68 decks273 decks
21%synergy
Accursed Marauder
25%inclusion67 decks273 decks
19%synergy
Welcoming Vampire
24%inclusion66 decks273 decks
18%synergy
Loran of the Third Path
24%inclusion66 decks273 decks
17%synergy
Solitude
22%inclusion60 decks273 decks
20%synergy
Braids, Arisen Nightmare
21%inclusion58 decks273 decks
14%synergy
Zack Fair
21%inclusion56 decks273 decks
19%synergy
Junji, the Midnight Sky
21%inclusion56 decks273 decks
18%synergy
Selfless Spirit
21%inclusion56 decks273 decks
16%synergy
Teysa Karlov
20%inclusion55 decks273 decks
16%synergy
Syr Konrad, the Grim
20%inclusion55 decks273 decks
12%synergy
Voice of Victory
19%inclusion52 decks273 decks
13%synergy
Grand Abolisher
18%inclusion50 decks273 decks
9%synergy
Vengeful Bloodwitch
18%inclusion49 decks273 decks
16%synergy
Guardian of Faith
17%inclusion46 decks273 decks
15%synergy
Spirited Companion
15%inclusion40 decks273 decks
11%synergy
Agent Venom
14%inclusion39 decks273 decks
13%synergy
Moonshaker Cavalry
14%inclusion38 decks273 decks
11%synergy
Knight of the White Orchid
14%inclusion38 decks273 decks
9%synergy
Shriekmaw
13%inclusion36 decks273 decks
11%synergy
Boggart Trawler
13%inclusion36 decks273 decks
9%synergy
Long Feng, Grand Secretariat
13%inclusion1 decks8 decks
12%synergy
The Cabbage Merchant
13%inclusion1 decks8 decks
11%synergy
Haru, Hidden Talent
13%inclusion1 decks8 decks
11%synergy
Karmic Guide
12%inclusion34 decks273 decks
9%synergy
Instants
Deflecting Swat
75%inclusion3 decks4 decks
58%synergy
Path to Exile
61%inclusion166 decks273 decks
14%synergy
Anguished Unmaking
54%inclusion148 decks273 decks
30%synergy
Deadly Dispute
52%inclusion141 decks273 decks
39%synergy
Generous Gift
44%inclusion119 decks273 decks
21%synergy
Village Rites
42%inclusion116 decks273 decks
33%synergy
Fell the Profane
33%inclusion91 decks273 decks
24%synergy
Flare of Fortitude
30%inclusion81 decks273 decks
26%synergy
Corrupted Conviction
26%inclusion71 decks273 decks
21%synergy
Malakir Rebirth
25%inclusion67 decks273 decks
16%synergy
Inkshield
23%inclusion62 decks273 decks
16%synergy
Deadly Rollick
22%inclusion60 decks273 decks
8%synergy
Plumb the Forbidden
21%inclusion57 decks273 decks
18%synergy
Despark
21%inclusion56 decks273 decks
7%synergy
Culling the Weak
19%inclusion52 decks273 decks
15%synergy
Enlightened Tutor
16%inclusion44 decks273 decks
1%synergy
Stroke of Midnight
15%inclusion41 decks273 decks
4%synergy
Teferi's Protection
15%inclusion41 decks273 decks
-2%synergy
Silence
12%inclusion34 decks273 decks
6%synergy
Imp's Mischief
12%inclusion32 decks273 decks
8%synergy
Fracture
12%inclusion32 decks273 decks
6%synergy
Clever Concealment
11%inclusion31 decks273 decks
7%synergy
Reprieve
10%inclusion27 decks273 decks
5%synergy
Flare of Malice
10%inclusion26 decks273 decks
7%synergy
Saw in Half
9.2%inclusion25 decks273 decks
5%synergy
Cabal Ritual
8.1%inclusion22 decks273 decks
3%synergy
Entomb
8.1%inclusion22 decks273 decks
1%synergy
Dawn's Truce
8.1%inclusion22 decks273 decks
1%synergy
Mortify
7.7%inclusion21 decks273 decks
-3%synergy
Flawless Maneuver
7.0%inclusion19 decks273 decks
-4%synergy
Cauldron Haze
6.2%inclusion17 decks273 decks
6%synergy
Afterlife Insurance
5.9%inclusion16 decks273 decks
5%synergy
Ephemerate
5.9%inclusion16 decks273 decks
0%synergy
Duty Beyond Death
5.5%inclusion15 decks273 decks
4%synergy
Sorceries
Damn
50%inclusion137 decks273 decks
35%synergy
Victimize
48%inclusion131 decks273 decks
36%synergy
Reanimate
46%inclusion125 decks273 decks
27%synergy
Diabolic Intent
43%inclusion117 decks273 decks
35%synergy
Toxic Deluge
35%inclusion95 decks273 decks
16%synergy
Night's Whisper
21%inclusion56 decks273 decks
11%synergy
Blasphemous Edict
17%inclusion47 decks273 decks
11%synergy
Agadeem's Awakening
15%inclusion40 decks273 decks
12%synergy
Austere Command
14%inclusion38 decks273 decks
2%synergy
Sign in Blood
13%inclusion36 decks273 decks
4%synergy
Living Death
11%inclusion30 decks273 decks
6%synergy
Farewell
11%inclusion30 decks273 decks
-2%synergy
Dread Return
10%inclusion27 decks273 decks
5%synergy
Sevinne's Reclamation
10%inclusion27 decks273 decks
3%synergy
Morningtide's Light
8.1%inclusion22 decks273 decks
8%synergy
Grim Tutor
8.1%inclusion22 decks273 decks
4%synergy
Beseech the Mirror
6.6%inclusion18 decks273 decks
3%synergy
Wrath of God
6.6%inclusion18 decks273 decks
2%synergy
Damnation
6.2%inclusion17 decks273 decks
0%synergy
Exsanguinate
6.2%inclusion17 decks273 decks
-1%synergy
Feed the Swarm
6.2%inclusion17 decks273 decks
-10%synergy
Raise the Past
5.1%inclusion14 decks273 decks
4%synergy
Utility Artifacts
Altar of Dementia
53%inclusion144 decks273 decks
50%synergy
Blasting Station
38%inclusion103 decks273 decks
37%synergy
Lightning Greaves
37%inclusion101 decks273 decks
12%synergy
Swiftfoot Boots
20%inclusion55 decks273 decks
-7%synergy
Oketra's Monument
15%inclusion40 decks273 decks
13%synergy
Jet Medallion
10%inclusion26 decks273 decks
6%synergy
Pearl Medallion
8.8%inclusion24 decks273 decks
6%synergy
Spawning Pit
6.6%inclusion18 decks273 decks
6%synergy
Wayfarer's Bauble
5.5%inclusion15 decks273 decks
-2%synergy
Enchantments
Impact Tremors
75%inclusion3 decks4 decks
65%synergy
Bastion of Remembrance
56%inclusion153 decks273 decks
50%synergy
Solemnity
55%inclusion150 decks273 decks
54%synergy
The Meathook Massacre
41%inclusion111 decks273 decks
35%synergy
Black Market Connections
35%inclusion96 decks273 decks
23%synergy
Thran Vigil
34%inclusion92 decks273 decks
33%synergy
Bitterblossom
32%inclusion87 decks273 decks
28%synergy
Grave Pact
29%inclusion80 decks273 decks
25%synergy
Phyrexian Arena
26%inclusion70 decks273 decks
10%synergy
Smothering Tithe
22%inclusion60 decks273 decks
0%synergy
Sothera, the Supervoid
13%inclusion36 decks273 decks
12%synergy
Funeral Room // Awakening Hall
13%inclusion35 decks273 decks
11%synergy
Land Tax
12%inclusion32 decks273 decks
5%synergy
Dictate of Erebos
10%inclusion26 decks273 decks
6%synergy
Animate Dead
10%inclusion26 decks273 decks
1%synergy
Barrensteppe Siege
8.4%inclusion23 decks273 decks
7%synergy
Martyr's Cause
6.2%inclusion17 decks273 decks
6%synergy
Fanatical Devotion
5.9%inclusion16 decks273 decks
5%synergy
Trouble in Pairs
5.9%inclusion16 decks273 decks
1%synergy
Planeswalkers
Liliana, Dreadhorde General
16%inclusion43 decks273 decks
12%synergy
Utility Lands
Phyrexian Tower
59%inclusion162 decks273 decks
50%synergy
Boseiju, Who Endures
50%inclusion4 decks8 decks
31%synergy
Bojuka Bog
45%inclusion122 decks273 decks
15%synergy
Urborg, Tomb of Yawgmoth
38%inclusion104 decks273 decks
29%synergy
High Market
33%inclusion90 decks273 decks
30%synergy
Takenuma, Abandoned Mire
26%inclusion71 decks273 decks
17%synergy
Reliquary Tower
26%inclusion71 decks273 decks
-4%synergy
Susur Secundi, Void Altar
25%inclusion68 decks273 decks
22%synergy
Midgar, City of Mako
19%inclusion53 decks273 decks
16%synergy
Eiganjo, Seat of the Empire
18%inclusion50 decks273 decks
11%synergy
Vault of the Archangel
18%inclusion48 decks273 decks
5%synergy
Cabal Coffers
15%inclusion41 decks273 decks
5%synergy
Spymaster's Vault
13%inclusion35 decks273 decks
10%synergy
Nesting Grounds
12%inclusion34 decks273 decks
10%synergy
Abandoned Air Temple
12%inclusion22 decks178 decks
7%synergy
Westvale Abbey
11%inclusion31 decks273 decks
9%synergy
Command Beacon
11%inclusion30 decks273 decks
6%synergy
Urza's Saga
10%inclusion26 decks273 decks
2%synergy
Castle Locthwain
6.2%inclusion17 decks273 decks
2%synergy
Nykthos, Shrine to Nyx
5.1%inclusion14 decks273 decks
0%synergy
Mana Artifacts
Sol Ring
90%inclusion247 decks273 decks
7%synergy
Arcane Signet
87%inclusion237 decks273 decks
15%synergy
Talisman of Indulgence
75%inclusion3 decks4 decks
47%synergy
Talisman of Hierarchy
70%inclusion192 decks273 decks
44%synergy
Orzhov Signet
55%inclusion149 decks273 decks
31%synergy
Fellwar Stone
33%inclusion91 decks273 decks
13%synergy
The Soul Stone
25%inclusion67 decks273 decks
20%synergy
Mind Stone
15%inclusion40 decks273 decks
0%synergy
Thought Vessel
14%inclusion37 decks273 decks
-4%synergy
Lotus Petal
10%inclusion26 decks273 decks
2%synergy
Mana Vault
7.3%inclusion20 decks273 decks
1%synergy
Crowded Crypt
6.6%inclusion18 decks273 decks
5%synergy
Lands
Savai Triome
100%inclusion4 decks4 decks
75%synergy
Sacred Foundry
100%inclusion4 decks4 decks
63%synergy
Blood Crypt
100%inclusion4 decks4 decks
63%synergy
Temple Garden
100%inclusion8 decks8 decks
61%synergy
Overgrown Tomb
100%inclusion8 decks8 decks
60%synergy
Command Tower
93%inclusion253 decks273 decks
18%synergy
Godless Shrine
85%inclusion231 decks273 decks
43%synergy
Isolated Chapel
78%inclusion213 decks273 decks
45%synergy
Luxury Suite
75%inclusion3 decks4 decks
51%synergy
Caves of Koilos
73%inclusion198 decks273 decks
43%synergy
Shattered Sanctum
63%inclusion171 decks273 decks
48%synergy
Indatha Triome
63%inclusion5 decks8 decks
35%synergy
Vault of Champions
61%inclusion166 decks273 decks
37%synergy
Fetid Heath
60%inclusion164 decks273 decks
47%synergy
Bleachbone Verge
56%inclusion152 decks273 decks
48%synergy
Tainted Field
53%inclusion145 decks273 decks
40%synergy
Marsh Flats
52%inclusion143 decks273 decks
42%synergy
Lush Portico
50%inclusion4 decks8 decks
41%synergy
Underground Mortuary
50%inclusion4 decks8 decks
37%synergy
Overgrown Farmland
50%inclusion4 decks8 decks
33%synergy
Woodland Cemetery
50%inclusion4 decks8 decks
18%synergy
Shadowy Backstreet
45%inclusion122 decks273 decks
34%synergy
Brightclimb Pathway
42%inclusion114 decks273 decks
33%synergy
Deathcap Glade
38%inclusion3 decks8 decks
24%synergy
Sandsteppe Citadel
38%inclusion3 decks8 decks
12%synergy
Sunpetal Grove
38%inclusion3 decks8 decks
10%synergy
Shineshadow Snarl
34%inclusion93 decks273 decks
22%synergy
Exotic Orchard
33%inclusion89 decks273 decks
-4%synergy
Orzhov Basilica
29%inclusion78 decks273 decks
14%synergy
Silent Clearing
23%inclusion64 decks273 decks
19%synergy
Temple of Silence
23%inclusion63 decks273 decks
6%synergy
Concealed Courtyard
21%inclusion56 decks273 decks
15%synergy
Desolate Mire
20%inclusion54 decks273 decks
14%synergy
Fabled Passage
19%inclusion51 decks273 decks
9%synergy
Scrubland
16%inclusion45 decks273 decks
3%synergy
Verdant Catacombs
11%inclusion30 decks273 decks
0%synergy
Windswept Heath
11%inclusion29 decks273 decks
0%synergy
Flooded Strand
10%inclusion28 decks273 decks
-1%synergy
Polluted Delta
10%inclusion28 decks273 decks
-2%synergy
Arid Mesa
10%inclusion27 decks273 decks
0%synergy
Bloodstained Mire
10%inclusion27 decks273 decks
-1%synergy
Prismatic Vista
10%inclusion26 decks273 decks
5%synergy
Sunlit Marsh
8.1%inclusion22 decks273 decks
4%synergy
City of Brass
8.1%inclusion22 decks273 decks
1%synergy
Reflecting Pool
7.7%inclusion21 decks273 decks
3%synergy
Mana Confluence
7.3%inclusion20 decks273 decks
0%synergy
Evolving Wilds
7.3%inclusion20 decks273 decks
-13%synergy
Myriad Landscape
7.0%inclusion19 decks273 decks
-9%synergy
Cavern of Souls
6.6%inclusion18 decks273 decks
-1%synergy
Gemstone Caverns
5.9%inclusion16 decks273 decks
1%synergy