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
24%inclusion200 decks832 decks
Top Commanders
Tayam, Luminous Enigma
0.2%inclusion3 decks1.67K decks
Karador, Ghost Chieftain
0.2%inclusion2 decks1.22K decks
Celes, Rune Knight
0.1%inclusion2 decks2.67K decks
Teysa Karlov
0.0%inclusion1 decks4K decks
Sefris of the Hidden Ways
0.0%inclusion1 decks2.24K decks
Myrkul, Lord of Bones
0.1%inclusion1 decks1.30K decks
Betor, Ancestor's Voice
0.0%inclusion1 decks3.63K decks
Orah, Skyclave Hierophant
0.1%inclusion1 decks696 decks
Othelm, Sigardian Outcast // Wernog, Rider's Chaplain
0.4%inclusion1 decks226 decks
Ratadrabik of Urborg
0.1%inclusion1 decks1.20K decks
New Cards
Redirect Lightning
50%inclusion1 decks2 decks
45%synergy
Formidable Speaker
38%inclusion3 decks8 decks
37%synergy
Bitterbloom Bearer
33%inclusion71 decks214 decks
33%synergy
Emptiness
27%inclusion58 decks214 decks
27%synergy
Haru, Hidden Talent
13%inclusion1 decks8 decks
11%synergy
High Synergy Cards
Viscera Seer
87%inclusion187 decks214 decks
79%synergy
Ashnod's Altar
79%inclusion169 decks214 decks
72%synergy
Elas il-Kor, Sadistic Pilgrim
81%inclusion173 decks214 decks
71%synergy
Warren Soultrader
76%inclusion162 decks214 decks
70%synergy
Pitiless Plunderer
78%inclusion166 decks214 decks
69%synergy
Zulaport Cutthroat
75%inclusion161 decks214 decks
67%synergy
Luminous Broodmoth
68%inclusion146 decks214 decks
66%synergy
Phyrexian Altar
69%inclusion148 decks214 decks
66%synergy
Geralf's Messenger
64%inclusion138 decks214 decks
64%synergy
Cruel Celebrant
71%inclusion153 decks214 decks
64%synergy
Top Cards
Blood Artist
72%inclusion154 decks214 decks
60%synergy
Swords to Plowshares
70%inclusion149 decks214 decks
8%synergy
Carrion Feeder
68%inclusion146 decks214 decks
64%synergy
Grim Haruspex
65%inclusion139 decks214 decks
62%synergy
Marionette Apprentice
63%inclusion135 decks214 decks
58%synergy
Dark Ritual
63%inclusion135 decks214 decks
39%synergy
Kitchen Finks
63%inclusion5 decks8 decks
62%synergy
Skullclamp
62%inclusion133 decks214 decks
51%synergy
Cathars' Crusade
60%inclusion129 decks214 decks
55%synergy
Path to Exile
60%inclusion129 decks214 decks
13%synergy
Game Changers
Demonic Tutor
35%inclusion74 decks214 decks
15%synergy
Vampiric Tutor
23%inclusion50 decks214 decks
8%synergy
Orcish Bowmasters
12%inclusion26 decks214 decks
3%synergy
Ancient Tomb
12%inclusion25 decks214 decks
2%synergy
Bolas's Citadel
11%inclusion23 decks214 decks
3%synergy
The One Ring
9.3%inclusion20 decks214 decks
1%synergy
Necropotence
8.4%inclusion18 decks214 decks
3%synergy
Imperial Seal
7.9%inclusion17 decks214 decks
3%synergy
Chrome Mox
7.9%inclusion17 decks214 decks
2%synergy
Mana Vault
7.5%inclusion16 decks214 decks
2%synergy
Creatures
Solemn Simulacrum
58%inclusion125 decks214 decks
46%synergy
Corpse Knight
54%inclusion116 decks214 decks
49%synergy
Yawgmoth, Thran Physician
51%inclusion109 decks214 decks
48%synergy
Witch Enchanter
50%inclusion108 decks214 decks
43%synergy
Sephiroth, Fabled SOLDIER
50%inclusion107 decks214 decks
48%synergy
Gray Merchant of Asphodel
50%inclusion106 decks214 decks
41%synergy
Scholar of New Horizons
49%inclusion105 decks214 decks
48%synergy
Morbid Opportunist
45%inclusion97 decks214 decks
38%synergy
Woe Strider
43%inclusion91 decks214 decks
41%synergy
Midnight Reaper
40%inclusion86 decks214 decks
37%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%inclusion79 decks214 decks
18%synergy
Vizier of Remedies
36%inclusion78 decks214 decks
36%synergy
Pawn of Ulamog
36%inclusion78 decks214 decks
35%synergy
Lotho, Corrupt Shirriff
36%inclusion76 decks214 decks
22%synergy
Butcher Ghoul
34%inclusion72 decks214 decks
33%synergy
Charismatic Conqueror
34%inclusion72 decks214 decks
30%synergy
Bartolomé del Presidio
33%inclusion71 decks214 decks
29%synergy
Elenda, the Dusk Rose
32%inclusion68 decks214 decks
26%synergy
Sun Titan
29%inclusion61 decks214 decks
20%synergy
Enduring Innocence
26%inclusion55 decks214 decks
22%synergy
Welcoming Vampire
25%inclusion54 decks214 decks
19%synergy
Accursed Marauder
24%inclusion52 decks214 decks
19%synergy
Loran of the Third Path
24%inclusion52 decks214 decks
17%synergy
Solitude
22%inclusion47 decks214 decks
20%synergy
Braids, Arisen Nightmare
21%inclusion45 decks214 decks
14%synergy
Selfless Spirit
21%inclusion44 decks214 decks
16%synergy
Junji, the Midnight Sky
20%inclusion42 decks214 decks
17%synergy
Teysa Karlov
20%inclusion42 decks214 decks
15%synergy
Zack Fair
18%inclusion39 decks214 decks
16%synergy
Voice of Victory
18%inclusion39 decks214 decks
12%synergy
Syr Konrad, the Grim
18%inclusion38 decks214 decks
9%synergy
Grand Abolisher
18%inclusion38 decks214 decks
9%synergy
Guardian of Faith
16%inclusion35 decks214 decks
15%synergy
Vengeful Bloodwitch
16%inclusion35 decks214 decks
15%synergy
Agent Venom
16%inclusion34 decks214 decks
15%synergy
Spirited Companion
14%inclusion31 decks214 decks
11%synergy
Boggart Trawler
14%inclusion31 decks214 decks
11%synergy
Moonshaker Cavalry
13%inclusion28 decks214 decks
10%synergy
Boromir, Warden of the Tower
13%inclusion27 decks214 decks
9%synergy
Knight of the White Orchid
13%inclusion27 decks214 decks
8%synergy
Long Feng, Grand Secretariat
13%inclusion1 decks8 decks
12%synergy
The Cabbage Merchant
13%inclusion1 decks8 decks
11%synergy
Shriekmaw
12%inclusion26 decks214 decks
10%synergy
Yahenni, Undying Partisan
12%inclusion26 decks214 decks
9%synergy
Karmic Guide
12%inclusion25 decks214 decks
8%synergy
Instants
Anguished Unmaking
53%inclusion114 decks214 decks
29%synergy
Deadly Dispute
52%inclusion112 decks214 decks
40%synergy
Village Rites
43%inclusion93 decks214 decks
34%synergy
Generous Gift
43%inclusion92 decks214 decks
20%synergy
Fell the Profane
34%inclusion73 decks214 decks
25%synergy
Flare of Fortitude
30%inclusion65 decks214 decks
26%synergy
Malakir Rebirth
26%inclusion55 decks214 decks
18%synergy
Corrupted Conviction
25%inclusion54 decks214 decks
21%synergy
Plumb the Forbidden
23%inclusion49 decks214 decks
20%synergy
Inkshield
22%inclusion48 decks214 decks
16%synergy
Deadly Rollick
21%inclusion46 decks214 decks
8%synergy
Despark
20%inclusion43 decks214 decks
6%synergy
Culling the Weak
17%inclusion37 decks214 decks
13%synergy
Enlightened Tutor
15%inclusion33 decks214 decks
0%synergy
Teferi's Protection
15%inclusion33 decks214 decks
-2%synergy
Imp's Mischief
14%inclusion29 decks214 decks
10%synergy
Clever Concealment
13%inclusion27 decks214 decks
8%synergy
Silence
12%inclusion26 decks214 decks
6%synergy
Stroke of Midnight
12%inclusion26 decks214 decks
2%synergy
Reprieve
11%inclusion24 decks214 decks
7%synergy
Saw in Half
11%inclusion23 decks214 decks
7%synergy
Fracture
9.3%inclusion20 decks214 decks
4%synergy
Dawn's Truce
9.3%inclusion20 decks214 decks
2%synergy
Flare of Malice
8.9%inclusion19 decks214 decks
6%synergy
Flawless Maneuver
7.9%inclusion17 decks214 decks
-3%synergy
Afterlife Insurance
7.5%inclusion16 decks214 decks
7%synergy
Cabal Ritual
7.5%inclusion16 decks214 decks
2%synergy
Entomb
7.5%inclusion16 decks214 decks
0%synergy
Mortify
7.0%inclusion15 decks214 decks
-4%synergy
Cauldron Haze
6.1%inclusion13 decks214 decks
6%synergy
Duty Beyond Death
5.6%inclusion12 decks214 decks
4%synergy
Sejiri Shelter
5.6%inclusion12 decks214 decks
2%synergy
Ephemerate
5.6%inclusion12 decks214 decks
0%synergy
Sorceries
Victimize
50%inclusion107 decks214 decks
38%synergy
Damn
47%inclusion100 decks214 decks
31%synergy
Diabolic Intent
43%inclusion93 decks214 decks
36%synergy
Reanimate
43%inclusion92 decks214 decks
24%synergy
Toxic Deluge
35%inclusion75 decks214 decks
17%synergy
Night's Whisper
21%inclusion44 decks214 decks
11%synergy
Agadeem's Awakening
15%inclusion33 decks214 decks
12%synergy
Blasphemous Edict
15%inclusion32 decks214 decks
9%synergy
Austere Command
15%inclusion32 decks214 decks
3%synergy
Living Death
12%inclusion25 decks214 decks
6%synergy
Sevinne's Reclamation
11%inclusion24 decks214 decks
4%synergy
Sign in Blood
11%inclusion24 decks214 decks
2%synergy
Farewell
11%inclusion24 decks214 decks
-2%synergy
Morningtide's Light
8.9%inclusion19 decks214 decks
9%synergy
Dread Return
8.9%inclusion19 decks214 decks
4%synergy
Damnation
6.5%inclusion14 decks214 decks
0%synergy
Raise the Past
6.1%inclusion13 decks214 decks
5%synergy
Grim Tutor
6.1%inclusion13 decks214 decks
2%synergy
Exsanguinate
6.1%inclusion13 decks214 decks
-1%synergy
Feed the Swarm
6.1%inclusion13 decks214 decks
-10%synergy
Wrath of God
5.6%inclusion12 decks214 decks
1%synergy
Insatiable Avarice
5.1%inclusion11 decks214 decks
2%synergy
Beseech the Mirror
5.1%inclusion11 decks214 decks
2%synergy
Read the Bones
5.1%inclusion11 decks214 decks
-1%synergy
Utility Artifacts
Altar of Dementia
52%inclusion112 decks214 decks
50%synergy
Blasting Station
36%inclusion78 decks214 decks
36%synergy
Lightning Greaves
32%inclusion68 decks214 decks
7%synergy
Oketra's Monument
17%inclusion36 decks214 decks
15%synergy
Swiftfoot Boots
17%inclusion36 decks214 decks
-10%synergy
Jet Medallion
9.3%inclusion20 decks214 decks
6%synergy
Pearl Medallion
8.4%inclusion18 decks214 decks
6%synergy
Spawning Pit
7.9%inclusion17 decks214 decks
8%synergy
Wayfarer's Bauble
6.1%inclusion13 decks214 decks
-2%synergy
Archaeomancer's Map
5.1%inclusion11 decks214 decks
2%synergy
Enchantments
Bastion of Remembrance
57%inclusion121 decks214 decks
50%synergy
Solemnity
53%inclusion114 decks214 decks
52%synergy
Thran Vigil
36%inclusion77 decks214 decks
36%synergy
The Meathook Massacre
36%inclusion77 decks214 decks
31%synergy
Black Market Connections
36%inclusion76 decks214 decks
24%synergy
Bitterblossom
33%inclusion71 decks214 decks
29%synergy
Grave Pact
31%inclusion67 decks214 decks
27%synergy
Phyrexian Arena
27%inclusion58 decks214 decks
11%synergy
Smothering Tithe
19%inclusion40 decks214 decks
-3%synergy
Sothera, the Supervoid
14%inclusion31 decks214 decks
14%synergy
Land Tax
11%inclusion24 decks214 decks
5%synergy
Funeral Room // Awakening Hall
11%inclusion23 decks214 decks
9%synergy
Dictate of Erebos
10%inclusion22 decks214 decks
7%synergy
Animate Dead
10%inclusion21 decks214 decks
1%synergy
Barrensteppe Siege
8.4%inclusion18 decks214 decks
7%synergy
Fanatical Devotion
6.1%inclusion13 decks214 decks
5%synergy
Martyr's Cause
5.6%inclusion12 decks214 decks
5%synergy
Skrelv's Hive
5.6%inclusion12 decks214 decks
4%synergy
Felidar Retreat
5.6%inclusion12 decks214 decks
0%synergy
Virtue of Loyalty
5.1%inclusion11 decks214 decks
3%synergy
Planeswalkers
Liliana, Dreadhorde General
16%inclusion35 decks214 decks
13%synergy
Elspeth, Storm Slayer
5.6%inclusion12 decks214 decks
1%synergy
Utility Lands
Phyrexian Tower
57%inclusion122 decks214 decks
48%synergy
Boseiju, Who Endures
50%inclusion4 decks8 decks
31%synergy
Bojuka Bog
44%inclusion95 decks214 decks
15%synergy
Urborg, Tomb of Yawgmoth
39%inclusion84 decks214 decks
30%synergy
High Market
34%inclusion72 decks214 decks
31%synergy
Takenuma, Abandoned Mire
29%inclusion61 decks214 decks
20%synergy
Susur Secundi, Void Altar
25%inclusion53 decks214 decks
22%synergy
Reliquary Tower
22%inclusion47 decks214 decks
-8%synergy
Midgar, City of Mako
21%inclusion44 decks214 decks
17%synergy
Eiganjo, Seat of the Empire
18%inclusion38 decks214 decks
11%synergy
Vault of the Archangel
17%inclusion37 decks214 decks
5%synergy
Cabal Coffers
16%inclusion35 decks214 decks
7%synergy
Spymaster's Vault
14%inclusion30 decks214 decks
11%synergy
Nesting Grounds
12%inclusion25 decks214 decks
10%synergy
Command Beacon
11%inclusion23 decks214 decks
6%synergy
Westvale Abbey
10%inclusion22 decks214 decks
8%synergy
Abandoned Air Temple
8.5%inclusion10 decks117 decks
3%synergy
Urza's Saga
8.4%inclusion18 decks214 decks
1%synergy
Castle Locthwain
6.5%inclusion14 decks214 decks
3%synergy
Nykthos, Shrine to Nyx
5.6%inclusion12 decks214 decks
0%synergy
Mana Artifacts
Sol Ring
91%inclusion195 decks214 decks
7%synergy
Arcane Signet
84%inclusion180 decks214 decks
12%synergy
Talisman of Hierarchy
70%inclusion150 decks214 decks
44%synergy
Orzhov Signet
56%inclusion119 decks214 decks
32%synergy
Fellwar Stone
34%inclusion73 decks214 decks
14%synergy
The Soul Stone
24%inclusion52 decks214 decks
20%synergy
Mind Stone
15%inclusion33 decks214 decks
0%synergy
Thought Vessel
14%inclusion29 decks214 decks
-4%synergy
Lotus Petal
8.9%inclusion19 decks214 decks
2%synergy
Crowded Crypt
6.5%inclusion14 decks214 decks
5%synergy
Lands
Temple Garden
100%inclusion8 decks8 decks
62%synergy
Overgrown Tomb
100%inclusion8 decks8 decks
60%synergy
Command Tower
92%inclusion197 decks214 decks
18%synergy
Godless Shrine
85%inclusion181 decks214 decks
44%synergy
Isolated Chapel
78%inclusion167 decks214 decks
45%synergy
Caves of Koilos
74%inclusion159 decks214 decks
45%synergy
Shattered Sanctum
64%inclusion137 decks214 decks
49%synergy
Fetid Heath
63%inclusion134 decks214 decks
50%synergy
Indatha Triome
63%inclusion5 decks8 decks
35%synergy
Vault of Champions
62%inclusion133 decks214 decks
38%synergy
Bleachbone Verge
55%inclusion117 decks214 decks
47%synergy
Tainted Field
53%inclusion114 decks214 decks
40%synergy
Marsh Flats
51%inclusion110 decks214 decks
41%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
19%synergy
Shadowy Backstreet
46%inclusion98 decks214 decks
36%synergy
Brightclimb Pathway
45%inclusion97 decks214 decks
37%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
35%inclusion75 decks214 decks
23%synergy
Exotic Orchard
35%inclusion74 decks214 decks
-2%synergy
Orzhov Basilica
29%inclusion63 decks214 decks
15%synergy
Silent Clearing
23%inclusion50 decks214 decks
19%synergy
Temple of Silence
22%inclusion48 decks214 decks
5%synergy
Desolate Mire
22%inclusion47 decks214 decks
16%synergy
Concealed Courtyard
21%inclusion46 decks214 decks
16%synergy
Fabled Passage
20%inclusion42 decks214 decks
10%synergy
Scrubland
15%inclusion33 decks214 decks
2%synergy
Windswept Heath
12%inclusion25 decks214 decks
1%synergy
Prismatic Vista
11%inclusion24 decks214 decks
6%synergy
Verdant Catacombs
11%inclusion24 decks214 decks
0%synergy
Flooded Strand
11%inclusion24 decks214 decks
0%synergy
Polluted Delta
10%inclusion21 decks214 decks
-2%synergy
Arid Mesa
9.3%inclusion20 decks214 decks
-1%synergy
Reflecting Pool
8.9%inclusion19 decks214 decks
4%synergy
Bloodstained Mire
8.9%inclusion19 decks214 decks
-2%synergy
Sunlit Marsh
7.9%inclusion17 decks214 decks
4%synergy
City of Brass
7.5%inclusion16 decks214 decks
0%synergy
Myriad Landscape
7.5%inclusion16 decks214 decks
-9%synergy
Mana Confluence
7.0%inclusion15 decks214 decks
0%synergy
Evolving Wilds
7.0%inclusion15 decks214 decks
-14%synergy
Cavern of Souls
6.1%inclusion13 decks214 decks
-1%synergy
Gemstone Caverns
5.1%inclusion11 decks214 decks
0%synergy