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
25%inclusion614 decks2.45K decks
Top Commanders
Karador, Ghost Chieftain
0.5%inclusion7 decks1.55K decks
Celes, Rune Knight
0.2%inclusion7 decks3.35K decks
Tayam, Luminous Enigma
0.2%inclusion5 decks2.25K decks
Ratadrabik of Urborg
0.3%inclusion5 decks1.52K decks
Orah, Skyclave Hierophant
0.3%inclusion3 decks885 decks
Teysa Karlov
0.0%inclusion2 decks5.11K decks
Othelm, Sigardian Outcast // Wernog, Rider's Chaplain
0.7%inclusion2 decks301 decks
Sefris of the Hidden Ways
0.0%inclusion1 decks2.84K decks
Clavileño, First of the Blessed
0.0%inclusion1 decks2.77K decks
Myrkul, Lord of Bones
0.1%inclusion1 decks1.68K decks
The Necrobloom
0.0%inclusion1 decks5.17K decks
Betor, Ancestor's Voice
0.0%inclusion1 decks4.69K decks
Thalia and The Gitrog Monster
0.0%inclusion1 decks2.74K decks
Vish Kal, Blood Arbiter
1.3%inclusion1 decks75 decks
New Cards
Rhys, the Evermore
34%inclusion158 decks460 decks
34%synergy
Bitterbloom Bearer
34%inclusion220 decks652 decks
32%synergy
Emptiness
32%inclusion211 decks652 decks
32%synergy
Formidable Speaker
22%inclusion4 decks18 decks
20%synergy
Brigid, Clachan's Heart
20%inclusion2 decks10 decks
18%synergy
High Synergy Cards
Murderous Redcap
100%inclusion7 decks7 decks
98%synergy
Goblin Bombardment
100%inclusion7 decks7 decks
94%synergy
Viscera Seer
85%inclusion557 decks652 decks
77%synergy
Ashnod's Altar
78%inclusion511 decks652 decks
72%synergy
Elas il-Kor, Sadistic Pilgrim
82%inclusion532 decks652 decks
72%synergy
Pitiless Plunderer
77%inclusion502 decks652 decks
68%synergy
Cruel Celebrant
75%inclusion491 decks652 decks
68%synergy
Geralf's Messenger
68%inclusion444 decks652 decks
68%synergy
Luminous Broodmoth
69%inclusion451 decks652 decks
67%synergy
Warren Soultrader
72%inclusion470 decks652 decks
67%synergy
Top Cards
Swords to Plowshares
78%inclusion507 decks652 decks
16%synergy
Blood Artist
77%inclusion501 decks652 decks
65%synergy
Zulaport Cutthroat
74%inclusion485 decks652 decks
66%synergy
Carrion Feeder
68%inclusion445 decks652 decks
64%synergy
Skullclamp
68%inclusion443 decks652 decks
57%synergy
Cathars' Crusade
66%inclusion430 decks652 decks
61%synergy
Phyrexian Altar
65%inclusion423 decks652 decks
61%synergy
Path to Exile
65%inclusion422 decks652 decks
17%synergy
Marionette Apprentice
64%inclusion417 decks652 decks
59%synergy
Dark Ritual
63%inclusion414 decks652 decks
39%synergy
Game Changers
Gamble
43%inclusion3 decks7 decks
34%synergy
Demonic Tutor
29%inclusion192 decks652 decks
10%synergy
Smothering Tithe
22%inclusion143 decks652 decks
1%synergy
Vampiric Tutor
20%inclusion128 decks652 decks
5%synergy
Teferi's Protection
17%inclusion112 decks652 decks
0%synergy
Ancient Tomb
12%inclusion81 decks652 decks
3%synergy
Bolas's Citadel
11%inclusion71 decks652 decks
3%synergy
Orcish Bowmasters
10%inclusion65 decks652 decks
1%synergy
The One Ring
9.0%inclusion59 decks652 decks
1%synergy
Necropotence
7.4%inclusion48 decks652 decks
2%synergy
Creatures
Grim Haruspex
63%inclusion409 decks652 decks
60%synergy
Solemn Simulacrum
60%inclusion394 decks652 decks
48%synergy
Vizier of Remedies
59%inclusion382 decks652 decks
58%synergy
Corpse Knight
55%inclusion358 decks652 decks
50%synergy
Gray Merchant of Asphodel
51%inclusion335 decks652 decks
43%synergy
Sakura-Tribe Elder
50%inclusion9 decks18 decks
33%synergy
Eternal Witness
50%inclusion9 decks18 decks
33%synergy
Sephiroth, Fabled SOLDIER
49%inclusion321 decks652 decks
47%synergy
Yawgmoth, Thran Physician
49%inclusion318 decks652 decks
45%synergy
Morbid Opportunist
47%inclusion307 decks652 decks
40%synergy
Scholar of New Horizons
47%inclusion304 decks652 decks
45%synergy
Witch Enchanter
46%inclusion299 decks652 decks
39%synergy
Bartolomé del Presidio
44%inclusion284 decks652 decks
39%synergy
Butcher Ghoul
43%inclusion283 decks652 decks
43%synergy
Furystoke Giant
43%inclusion3 decks7 decks
43%synergy
Anger
43%inclusion3 decks7 decks
36%synergy
Mayhem Devil
43%inclusion3 decks7 decks
33%synergy
Elenda, the Dusk Rose
42%inclusion276 decks652 decks
37%synergy
Woe Strider
41%inclusion267 decks652 decks
39%synergy
Aftermath Analyst
39%inclusion7 decks18 decks
35%synergy
Icetill Explorer
39%inclusion7 decks18 decks
32%synergy
Midnight Reaper
37%inclusion242 decks652 decks
34%synergy
Esper Sentinel
37%inclusion242 decks652 decks
18%synergy
Lotho, Corrupt Shirriff
34%inclusion221 decks652 decks
21%synergy
Kitchen Finks
33%inclusion6 decks18 decks
33%synergy
Protean Hulk
33%inclusion6 decks18 decks
32%synergy
Fiend Artisan
33%inclusion6 decks18 decks
31%synergy
Wight of the Reliquary
33%inclusion6 decks18 decks
28%synergy
Birds of Paradise
33%inclusion6 decks18 decks
6%synergy
Sun Titan
30%inclusion197 decks652 decks
22%synergy
Charismatic Conqueror
28%inclusion185 decks652 decks
25%synergy
Braids, Arisen Nightmare
28%inclusion184 decks652 decks
21%synergy
Satyr Wayfinder
28%inclusion5 decks18 decks
26%synergy
Nethroi, Apex of Death
28%inclusion5 decks18 decks
26%synergy
Elves of Deep Shadow
28%inclusion5 decks18 decks
19%synergy
Avacyn's Pilgrim
28%inclusion5 decks18 decks
15%synergy
Elvish Mystic
28%inclusion5 decks18 decks
12%synergy
Llanowar Elves
28%inclusion5 decks18 decks
8%synergy
Junji, the Midnight Sky
28%inclusion180 decks652 decks
25%synergy
Zack Fair
27%inclusion179 decks652 decks
26%synergy
Pawn of Ulamog
27%inclusion179 decks652 decks
26%synergy
Welcoming Vampire
27%inclusion174 decks652 decks
21%synergy
Teysa Karlov
26%inclusion172 decks652 decks
22%synergy
Syr Konrad, the Grim
24%inclusion155 decks652 decks
15%synergy
Accursed Marauder
23%inclusion152 decks652 decks
18%synergy
Enduring Innocence
23%inclusion148 decks652 decks
19%synergy
Saffi Eriksdotter
22%inclusion4 decks18 decks
21%synergy
Basking Broodscale
22%inclusion4 decks18 decks
21%synergy
Endurance
22%inclusion4 decks18 decks
20%synergy
Lumra, Bellow of the Woods
22%inclusion4 decks18 decks
20%synergy
Instants
Deadly Dispute
57%inclusion371 decks652 decks
45%synergy
Anguished Unmaking
54%inclusion354 decks652 decks
30%synergy
Village Rites
48%inclusion311 decks652 decks
38%synergy
Deflecting Swat
43%inclusion3 decks7 decks
26%synergy
Generous Gift
39%inclusion252 decks652 decks
16%synergy
Assassin's Trophy
33%inclusion6 decks18 decks
3%synergy
Flare of Fortitude
33%inclusion215 decks652 decks
29%synergy
Fell the Profane
29%inclusion190 decks652 decks
20%synergy
Inkshield
28%inclusion183 decks652 decks
21%synergy
Corrupted Conviction
26%inclusion172 decks652 decks
22%synergy
Malakir Rebirth
24%inclusion158 decks652 decks
16%synergy
Despark
22%inclusion142 decks652 decks
8%synergy
Deadly Rollick
20%inclusion129 decks652 decks
6%synergy
Culling the Weak
18%inclusion116 decks652 decks
14%synergy
Plumb the Forbidden
17%inclusion112 decks652 decks
15%synergy
Enlightened Tutor
14%inclusion92 decks652 decks
-1%synergy
Fracture
13%inclusion87 decks652 decks
8%synergy
Stroke of Midnight
13%inclusion82 decks652 decks
2%synergy
Silence
12%inclusion76 decks652 decks
5%synergy
Flawless Maneuver
10%inclusion63 decks652 decks
-1%synergy
Clever Concealment
10%inclusion62 decks652 decks
5%synergy
Dawn's Truce
10%inclusion62 decks652 decks
2%synergy
Saw in Half
9.2%inclusion60 decks652 decks
5%synergy
Flare of Malice
8.7%inclusion57 decks652 decks
6%synergy
Imp's Mischief
8.3%inclusion54 decks652 decks
5%synergy
Reprieve
8.1%inclusion53 decks652 decks
4%synergy
Mortify
8.0%inclusion52 decks652 decks
-3%synergy
Duty Beyond Death
6.9%inclusion45 decks652 decks
6%synergy
Cabal Ritual
6.9%inclusion45 decks652 decks
2%synergy
Entomb
6.4%inclusion42 decks652 decks
0%synergy
Sorceries
Faithless Looting
57%inclusion4 decks7 decks
41%synergy
Damn
54%inclusion353 decks652 decks
39%synergy
Victimize
50%inclusion328 decks652 decks
38%synergy
Reanimate
50%inclusion323 decks652 decks
31%synergy
Ruinous Ultimatum
43%inclusion3 decks7 decks
24%synergy
Diabolic Intent
41%inclusion269 decks652 decks
33%synergy
Eerie Ultimatum
39%inclusion7 decks18 decks
28%synergy
Toxic Deluge
36%inclusion237 decks652 decks
18%synergy
Life from the Loam
22%inclusion4 decks18 decks
18%synergy
Three Visits
22%inclusion4 decks18 decks
-2%synergy
Farseek
22%inclusion4 decks18 decks
-14%synergy
Cultivate
22%inclusion4 decks18 decks
-20%synergy
Night's Whisper
19%inclusion126 decks652 decks
10%synergy
Blasphemous Edict
19%inclusion122 decks652 decks
13%synergy
Nature's Lore
17%inclusion3 decks18 decks
-15%synergy
Austere Command
14%inclusion90 decks652 decks
2%synergy
Agadeem's Awakening
12%inclusion80 decks652 decks
9%synergy
Sign in Blood
12%inclusion80 decks652 decks
3%synergy
Living Death
11%inclusion73 decks652 decks
6%synergy
Farewell
9.4%inclusion61 decks652 decks
-3%synergy
Sevinne's Reclamation
9.2%inclusion60 decks652 decks
2%synergy
Dread Return
9.0%inclusion59 decks652 decks
4%synergy
Feed the Swarm
7.4%inclusion48 decks652 decks
-9%synergy
Morningtide's Light
7.2%inclusion47 decks652 decks
7%synergy
Grim Tutor
7.1%inclusion46 decks652 decks
3%synergy
Wrath of God
6.9%inclusion45 decks652 decks
2%synergy
Rite of Oblivion
6.1%inclusion40 decks652 decks
4%synergy
Damnation
6.1%inclusion40 decks652 decks
0%synergy
Vindicate
6.0%inclusion39 decks652 decks
0%synergy
Exsanguinate
5.8%inclusion38 decks652 decks
-1%synergy
Raise the Past
5.2%inclusion34 decks652 decks
4%synergy
Imperial Seal
5.2%inclusion34 decks652 decks
0%synergy
Utility Artifacts
Altar of Dementia
48%inclusion312 decks652 decks
46%synergy
Lightning Greaves
44%inclusion290 decks652 decks
20%synergy
Blasting Station
30%inclusion195 decks652 decks
29%synergy
Birthing Pod
28%inclusion5 decks18 decks
26%synergy
Swiftfoot Boots
23%inclusion153 decks652 decks
-4%synergy
Oketra's Monument
16%inclusion106 decks652 decks
15%synergy
Jet Medallion
13%inclusion82 decks652 decks
9%synergy
Pearl Medallion
12%inclusion76 decks652 decks
9%synergy
Spawning Pit
6.9%inclusion45 decks652 decks
7%synergy
Enchantments
Bastion of Remembrance
59%inclusion385 decks652 decks
53%synergy
Solemnity
59%inclusion383 decks652 decks
58%synergy
Impact Tremors
57%inclusion4 decks7 decks
47%synergy
The Meathook Massacre
41%inclusion266 decks652 decks
36%synergy
Black Market Connections
37%inclusion239 decks652 decks
25%synergy
Thran Vigil
31%inclusion204 decks652 decks
31%synergy
Bitterblossom
31%inclusion203 decks652 decks
27%synergy
Grave Pact
27%inclusion176 decks652 decks
22%synergy
Phyrexian Arena
27%inclusion175 decks652 decks
11%synergy
Birthing Ritual
22%inclusion4 decks18 decks
21%synergy
Greater Good
22%inclusion4 decks18 decks
18%synergy
Insidious Roots
22%inclusion4 decks18 decks
17%synergy
Land Tax
12%inclusion80 decks652 decks
6%synergy
Sothera, the Supervoid
12%inclusion79 decks652 decks
11%synergy
Funeral Room // Awakening Hall
12%inclusion78 decks652 decks
10%synergy
Dictate of Erebos
10%inclusion65 decks652 decks
7%synergy
Animate Dead
10%inclusion63 decks652 decks
1%synergy
Barrensteppe Siege
9.2%inclusion60 decks652 decks
7%synergy
Trouble in Pairs
7.2%inclusion47 decks652 decks
3%synergy
Grave Venerations
6.4%inclusion29 decks454 decks
4%synergy
Martyr's Cause
5.7%inclusion37 decks652 decks
5%synergy
Felidar Retreat
5.5%inclusion36 decks652 decks
0%synergy
Blind Obedience
5.4%inclusion35 decks652 decks
-1%synergy
Fanatical Devotion
5.1%inclusion33 decks652 decks
4%synergy
Planeswalkers
Grist, the Hunger Tide
28%inclusion5 decks18 decks
24%synergy
Liliana, Dreadhorde General
17%inclusion114 decks652 decks
14%synergy
Elspeth, Storm Slayer
9.0%inclusion59 decks652 decks
4%synergy
Utility Lands
Phyrexian Tower
56%inclusion365 decks652 decks
47%synergy
Bojuka Bog
48%inclusion310 decks652 decks
18%synergy
Urborg, Tomb of Yawgmoth
40%inclusion263 decks652 decks
31%synergy
Boseiju, Who Endures
39%inclusion7 decks18 decks
20%synergy
High Market
35%inclusion226 decks652 decks
32%synergy
Shifting Woodland
33%inclusion6 decks18 decks
26%synergy
Reliquary Tower
28%inclusion185 decks652 decks
-2%synergy
Susur Secundi, Void Altar
25%inclusion166 decks652 decks
23%synergy
Takenuma, Abandoned Mire
21%inclusion140 decks652 decks
13%synergy
Vault of the Archangel
21%inclusion140 decks652 decks
9%synergy
Abandoned Air Temple
21%inclusion116 decks561 decks
16%synergy
Midgar, City of Mako
17%inclusion108 decks652 decks
13%synergy
Cabal Coffers
15%inclusion101 decks652 decks
6%synergy
Eiganjo, Seat of the Empire
13%inclusion83 decks652 decks
6%synergy
Nesting Grounds
12%inclusion80 decks652 decks
10%synergy
Westvale Abbey
12%inclusion80 decks652 decks
10%synergy
Command Beacon
11%inclusion73 decks652 decks
6%synergy
Spymaster's Vault
11%inclusion69 decks652 decks
8%synergy
Urza's Saga
8.4%inclusion55 decks652 decks
1%synergy
Nykthos, Shrine to Nyx
5.8%inclusion38 decks652 decks
1%synergy
Castle Locthwain
5.7%inclusion37 decks652 decks
2%synergy
Mana Artifacts
Sol Ring
91%inclusion594 decks652 decks
7%synergy
Arcane Signet
90%inclusion584 decks652 decks
17%synergy
Talisman of Indulgence
71%inclusion5 decks7 decks
44%synergy
Talisman of Hierarchy
69%inclusion449 decks652 decks
43%synergy
Orzhov Signet
57%inclusion373 decks652 decks
34%synergy
Talisman of Conviction
57%inclusion4 decks7 decks
33%synergy
Fellwar Stone
30%inclusion194 decks652 decks
9%synergy
The Soul Stone
20%inclusion129 decks652 decks
16%synergy
Thought Vessel
15%inclusion101 decks652 decks
-2%synergy
Mind Stone
13%inclusion87 decks652 decks
-1%synergy
Lotus Petal
7.4%inclusion48 decks652 decks
0%synergy
Chrome Mox
5.5%inclusion36 decks652 decks
0%synergy
Lands
Overgrown Tomb
94%inclusion17 decks18 decks
54%synergy
Command Tower
93%inclusion607 decks652 decks
19%synergy
Savai Triome
86%inclusion6 decks7 decks
61%synergy
Sacred Foundry
86%inclusion6 decks7 decks
49%synergy
Blood Crypt
86%inclusion6 decks7 decks
48%synergy
Godless Shrine
83%inclusion544 decks652 decks
42%synergy
Temple Garden
83%inclusion15 decks18 decks
44%synergy
Isolated Chapel
80%inclusion519 decks652 decks
46%synergy
Caves of Koilos
69%inclusion451 decks652 decks
40%synergy
Shattered Sanctum
62%inclusion407 decks652 decks
47%synergy
Vault of Champions
62%inclusion405 decks652 decks
38%synergy
Indatha Triome
61%inclusion11 decks18 decks
33%synergy
Fetid Heath
59%inclusion387 decks652 decks
46%synergy
Luxury Suite
57%inclusion4 decks7 decks
33%synergy
Dragonskull Summit
57%inclusion4 decks7 decks
23%synergy
Clifftop Retreat
57%inclusion4 decks7 decks
22%synergy
Lush Portico
56%inclusion10 decks18 decks
46%synergy
Underground Mortuary
56%inclusion10 decks18 decks
43%synergy
Bleachbone Verge
55%inclusion361 decks652 decks
47%synergy
Tainted Field
55%inclusion359 decks652 decks
42%synergy
Marsh Flats
54%inclusion353 decks652 decks
43%synergy
Woodland Cemetery
50%inclusion9 decks18 decks
18%synergy
Shadowy Backstreet
45%inclusion294 decks652 decks
35%synergy
Sunbillow Verge
43%inclusion3 decks7 decks
35%synergy
Blazemire Verge
43%inclusion3 decks7 decks
32%synergy
Spectator Seating
43%inclusion3 decks7 decks
20%synergy
Sulfurous Springs
43%inclusion3 decks7 decks
19%synergy
Brightclimb Pathway
41%inclusion265 decks652 decks
32%synergy
Overgrown Farmland
39%inclusion7 decks18 decks
21%synergy
Llanowar Wastes
39%inclusion7 decks18 decks
12%synergy
Sunpetal Grove
39%inclusion7 decks18 decks
11%synergy
Shineshadow Snarl
38%inclusion245 decks652 decks
25%synergy
Deathcap Glade
33%inclusion6 decks18 decks
20%synergy
Exotic Orchard
32%inclusion210 decks652 decks
-4%synergy
Brushland
28%inclusion5 decks18 decks
8%synergy
Bountiful Promenade
28%inclusion5 decks18 decks
6%synergy
Undergrowth Stadium
28%inclusion5 decks18 decks
4%synergy
Sandsteppe Citadel
28%inclusion5 decks18 decks
2%synergy
Orzhov Basilica
27%inclusion173 decks652 decks
12%synergy
Temple of Silence
25%inclusion165 decks652 decks
8%synergy
Savannah
22%inclusion4 decks18 decks
9%synergy
Bayou
22%inclusion4 decks18 decks
9%synergy
Silent Clearing
20%inclusion131 decks652 decks
16%synergy
Concealed Courtyard
20%inclusion129 decks652 decks
14%synergy
Desolate Mire
20%inclusion128 decks652 decks
13%synergy
Horizon Canopy
17%inclusion3 decks18 decks
12%synergy
Blooming Marsh
17%inclusion3 decks18 decks
12%synergy
Nurturing Peatland
17%inclusion3 decks18 decks
12%synergy
Wastewood Verge
17%inclusion3 decks18 decks
9%synergy
Twilight Mire
17%inclusion3 decks18 decks
4%synergy