Eirdu, Carrier of Dawn
Umbral Collar Zealot
Butcher Ghoul

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Eirdu as Isilu, Carrier of Twilight on the battlefield and Butcher Ghoul without a +1/+1 counter on it on the battlefield).

   Steps

How does this combo work?
1
Activate Umbral Collar Zealot by sacrificing Butcher Ghoul
2
When Butcher Ghoul dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3
Resolve the Umbral Collar Zealot ability.
4
Activate Umbral Collar Zealot by sacrificing Butcher Ghoul
5
When Butcher Ghoul dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
6
Butcher Ghoul enters and dies as a state-based action due to having 0 toughness. Its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
7
Resolve the Umbral Collar Zealot ability from step 4.
8
Repeat from step 4.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite death triggers
Infinite sacrifice triggers
Infinite surveil
Teysa Karlov
0.1%inclusion9 decks8.99K decks
Elas il-Kor, Sadistic Pilgrim
0.1%inclusion2 decks3.49K decks
Syr Vondam, Sunstar Exemplar
0.1%inclusion2 decks2.76K decks
Tayam, Luminous Enigma
0.1%inclusion2 decks3.83K decks
Zur the Enchanter
0.0%inclusion1 decks6.78K decks
Othelm, Sigardian Outcast // Wernog, Rider's Chaplain
0.2%inclusion1 decks506 decks
Teysa, Orzhov Scion
0.1%inclusion1 decks1.74K decks
Zahur, Glory's Past
0.2%inclusion1 decks477 decks
Celes, Rune Knight
0.0%inclusion1 decks5.70K decks
Liesa, Forgotten Archangel
0.1%inclusion1 decks1.43K decks
Bartolomé del Presidio
0.1%inclusion1 decks779 decks
Kenrith, the Returned King
0.0%inclusion1 decks12.5K decks
New Cards
Cauldron of Essence
50%inclusion1 decks2 decks
Emeritus of Woe
12%inclusion21 decks175 decks
Eclipsed Steppe
8.8%inclusion19 decks216 decks
Turbulent Moor
8.3%inclusion18 decks216 decks
Erode
4.9%inclusion10 decks203 decks
High Synergy Cards
Viscera Seer
90%inclusion817 decks909 decks
Geralf's Messenger
78%inclusion705 decks909 decks
Elas il-Kor, Sadistic Pilgrim
86%inclusion780 decks909 decks
Cruel Celebrant
82%inclusion747 decks909 decks
Vizier of Remedies
74%inclusion672 decks909 decks
Zulaport Cutthroat
80%inclusion728 decks909 decks
Blood Artist
82%inclusion744 decks909 decks
Carrion Feeder
72%inclusion650 decks909 decks
Marionette Apprentice
72%inclusion652 decks909 decks
Pitiless Plunderer
74%inclusion674 decks909 decks
Top Cards
Swords to Plowshares
78%inclusion706 decks909 decks
Bastion of Remembrance
72%inclusion654 decks909 decks
Ashnod's Altar
68%inclusion622 decks909 decks
Path to Exile
67%inclusion608 decks909 decks
Luminous Broodmoth
66%inclusion604 decks909 decks
Deadly Dispute
66%inclusion596 decks909 decks
Bartolomé del Presidio
63%inclusion570 decks909 decks
Skullclamp
62%inclusion561 decks909 decks
Dark Ritual
62%inclusion561 decks909 decks
Grim Haruspex
61%inclusion555 decks909 decks
Game Changers
Demonic Tutor
26%inclusion232 decks909 decks
Smothering Tithe
18%inclusion163 decks909 decks
Vampiric Tutor
17%inclusion156 decks909 decks
Enlightened Tutor
13%inclusion117 decks909 decks
Bolas's Citadel
10%inclusion94 decks909 decks
Ancient Tomb
8.7%inclusion79 decks909 decks
Necropotence
7.9%inclusion72 decks909 decks
Orcish Bowmasters
7.8%inclusion71 decks909 decks
The One Ring
6.8%inclusion62 decks909 decks
Imperial Seal
5.5%inclusion50 decks909 decks
Creatures
Strangleroot Geist
75%inclusion3 decks4 decks
Young Wolf
75%inclusion3 decks4 decks
Corpse Knight
61%inclusion554 decks909 decks
Solemn Simulacrum
61%inclusion554 decks909 decks
Mikaeus, the Unhallowed
59%inclusion534 decks909 decks
Morbid Opportunist
57%inclusion514 decks909 decks
Scholar of New Horizons
56%inclusion512 decks909 decks
Warren Soultrader
53%inclusion486 decks909 decks
Woe Strider
53%inclusion480 decks909 decks
Gray Merchant of Asphodel
51%inclusion462 decks909 decks
Zack Fair
47%inclusion429 decks909 decks
Midnight Reaper
45%inclusion406 decks909 decks
Elenda, the Dusk Rose
42%inclusion383 decks909 decks
Vengeful Bloodwitch
41%inclusion371 decks909 decks
Witch Enchanter
38%inclusion345 decks909 decks
Sephiroth, Fabled SOLDIER
37%inclusion337 decks909 decks
Rhys, the Evermore
36%inclusion302 decks829 decks
Braids, Arisen Nightmare
34%inclusion306 decks909 decks
Sun Titan
33%inclusion297 decks909 decks
Syr Konrad, the Grim
32%inclusion287 decks909 decks
Yawgmoth, Thran Physician
31%inclusion284 decks909 decks
Welcoming Vampire
30%inclusion277 decks909 decks
Accursed Marauder
29%inclusion264 decks909 decks
Junji, the Midnight Sky
28%inclusion255 decks909 decks
Esper Sentinel
27%inclusion241 decks909 decks
The Duke, Rebel Sentry
26%inclusion229 decks870 decks
Teysa Karlov
26%inclusion239 decks909 decks
Lotho, Corrupt Shirriff
26%inclusion237 decks909 decks
Pawn of Ulamog
26%inclusion233 decks909 decks
Selfless Spirit
26%inclusion233 decks909 decks
Emptiness
25%inclusion231 decks909 decks
Bitterbloom Bearer
24%inclusion218 decks909 decks
Yahenni, Undying Partisan
21%inclusion190 decks909 decks
Voice of Victory
20%inclusion181 decks909 decks
Triskelion
19%inclusion171 decks909 decks
Spirited Companion
17%inclusion159 decks909 decks
Syr Vondam, Sunstar Exemplar
17%inclusion156 decks909 decks
Twilight Diviner
17%inclusion137 decks810 decks
Charismatic Conqueror
16%inclusion147 decks909 decks
Grand Abolisher
16%inclusion141 decks909 decks
Enduring Innocence
15%inclusion140 decks909 decks
Agent Venom
15%inclusion133 decks909 decks
Loran of the Third Path
14%inclusion124 decks909 decks
Teysa, Orzhov Scion
13%inclusion119 decks909 decks
Shriekmaw
13%inclusion115 decks909 decks
Priest of Forgotten Gods
11%inclusion99 decks909 decks
Boggart Trawler
10%inclusion95 decks909 decks
Wall of Omens
10%inclusion91 decks909 decks
Karmic Guide
8.6%inclusion78 decks909 decks
Ophiomancer
8.5%inclusion77 decks909 decks
Instants
Village Rites
58%inclusion525 decks909 decks
Anguished Unmaking
46%inclusion421 decks909 decks
Corrupted Conviction
38%inclusion347 decks909 decks
Generous Gift
32%inclusion288 decks909 decks
Flare of Fortitude
31%inclusion281 decks909 decks
Despark
28%inclusion254 decks909 decks
Plumb the Forbidden
23%inclusion212 decks909 decks
Inkshield
22%inclusion197 decks909 decks
Fell the Profane
22%inclusion197 decks909 decks
Culling the Weak
17%inclusion154 decks909 decks
Fracture
17%inclusion151 decks909 decks
Malakir Rebirth
16%inclusion145 decks909 decks
Deadly Rollick
15%inclusion139 decks909 decks
Stroke of Midnight
15%inclusion136 decks909 decks
Duty Beyond Death
14%inclusion125 decks909 decks
Mortify
13%inclusion118 decks909 decks
Silence
13%inclusion116 decks909 decks
Teferi's Protection
13%inclusion116 decks909 decks
Dawn's Truce
8.8%inclusion80 decks909 decks
Reprieve
7.9%inclusion72 decks909 decks
Flare of Malice
7.5%inclusion68 decks909 decks
Imp's Mischief
7.2%inclusion65 decks909 decks
Flawless Maneuver
7.0%inclusion64 decks909 decks
Undying Evil
6.6%inclusion60 decks909 decks
Clever Concealment
6.5%inclusion59 decks909 decks
Saw in Half
6.4%inclusion58 decks909 decks
Cabal Ritual
5.1%inclusion46 decks909 decks
Sorceries
Victimize
54%inclusion489 decks909 decks
Damn
50%inclusion455 decks909 decks
Reanimate
38%inclusion343 decks909 decks
Diabolic Intent
35%inclusion319 decks909 decks
Toxic Deluge
28%inclusion253 decks909 decks
Night's Whisper
26%inclusion236 decks909 decks
Austere Command
20%inclusion186 decks909 decks
Blasphemous Edict
16%inclusion141 decks909 decks
Sign in Blood
15%inclusion139 decks909 decks
Sevinne's Reclamation
13%inclusion118 decks909 decks
Rite of Oblivion
11%inclusion99 decks909 decks
Dread Return
10%inclusion92 decks909 decks
Feed the Swarm
8.9%inclusion81 decks909 decks
Living Death
8.5%inclusion77 decks909 decks
Vindicate
8.3%inclusion75 decks909 decks
Diabolic Tutor
7.5%inclusion68 decks909 decks
Exsanguinate
6.6%inclusion60 decks909 decks
Grim Tutor
6.5%inclusion59 decks909 decks
Wrath of God
6.5%inclusion59 decks909 decks
Morningtide's Light
6.4%inclusion58 decks909 decks
Agadeem's Awakening
6.1%inclusion55 decks909 decks
Farewell
5.9%inclusion54 decks909 decks
Raise the Past
5.6%inclusion51 decks909 decks
Insatiable Avarice
5.2%inclusion47 decks909 decks
Beseech the Mirror
5.2%inclusion47 decks909 decks
Utility Artifacts
Phyrexian Altar
47%inclusion427 decks909 decks
Lightning Greaves
40%inclusion364 decks909 decks
Altar of Dementia
36%inclusion324 decks909 decks
Blasting Station
29%inclusion267 decks909 decks
Swiftfoot Boots
28%inclusion258 decks909 decks
Oketra's Monument
15%inclusion134 decks909 decks
Jet Medallion
10%inclusion91 decks909 decks
Pearl Medallion
9.1%inclusion83 decks909 decks
Spawning Pit
9.0%inclusion82 decks909 decks
Wayfarer's Bauble
7.2%inclusion65 decks909 decks
Enchantments
Cathars' Crusade
57%inclusion517 decks909 decks
Solemnity
53%inclusion481 decks909 decks
Thran Vigil
40%inclusion362 decks909 decks
Phyrexian Arena
31%inclusion285 decks909 decks
The Meathook Massacre
31%inclusion280 decks909 decks
Black Market Connections
24%inclusion222 decks909 decks
Grave Pact
20%inclusion179 decks909 decks
Bitterblossom
18%inclusion161 decks909 decks
Sothera, the Supervoid
13%inclusion119 decks909 decks
Barrensteppe Siege
12%inclusion110 decks909 decks
Vampiric Rites
12%inclusion109 decks909 decks
Funeral Room // Awakening Hall
10%inclusion92 decks909 decks
Land Tax
9.4%inclusion85 decks909 decks
Grave Venerations
9.0%inclusion74 decks822 decks
Dictate of Erebos
8.0%inclusion73 decks909 decks
Animate Dead
7.5%inclusion68 decks909 decks
Martyr's Cause
7.2%inclusion65 decks909 decks
Fanatical Devotion
6.8%inclusion62 decks909 decks
Felidar Retreat
6.8%inclusion62 decks909 decks
Skrelv's Hive
5.4%inclusion49 decks909 decks
Blind Obedience
5.1%inclusion46 decks909 decks
Planeswalkers
Liliana, Dreadhorde General
13%inclusion119 decks909 decks
Elspeth, Storm Slayer
5.1%inclusion46 decks909 decks
Utility Lands
Bojuka Bog
44%inclusion396 decks909 decks
Phyrexian Tower
40%inclusion366 decks909 decks
High Market
34%inclusion310 decks909 decks
Urborg, Tomb of Yawgmoth
24%inclusion220 decks909 decks
Reliquary Tower
24%inclusion217 decks909 decks
Vault of the Archangel
19%inclusion172 decks909 decks
Susur Secundi, Void Altar
18%inclusion161 decks909 decks
Abandoned Air Temple
17%inclusion149 decks870 decks
Nesting Grounds
15%inclusion138 decks909 decks
Midgar, City of Mako
14%inclusion127 decks909 decks
Takenuma, Abandoned Mire
13%inclusion116 decks909 decks
Cabal Coffers
11%inclusion98 decks909 decks
Westvale Abbey
10%inclusion91 decks909 decks
Spymaster's Vault
9.2%inclusion84 decks909 decks
Eiganjo, Seat of the Empire
8.6%inclusion78 decks909 decks
Command Beacon
6.8%inclusion62 decks909 decks
Urza's Saga
6.3%inclusion57 decks909 decks
Mana Artifacts
Sol Ring
91%inclusion827 decks909 decks
Arcane Signet
91%inclusion824 decks909 decks
Talisman of Hierarchy
71%inclusion644 decks909 decks
Orzhov Signet
65%inclusion590 decks909 decks
Fellwar Stone
32%inclusion294 decks909 decks
Mind Stone
21%inclusion192 decks909 decks
Thought Vessel
16%inclusion143 decks909 decks
The Soul Stone
13%inclusion118 decks909 decks
Crowded Crypt
7.7%inclusion70 decks909 decks
Commander's Sphere
7.4%inclusion67 decks909 decks
Lotus Petal
6.4%inclusion58 decks909 decks
Lands
Temple Garden
100%inclusion4 decks4 decks
Command Tower
90%inclusion820 decks909 decks
Isolated Chapel
80%inclusion730 decks909 decks
Undergrowth Stadium
75%inclusion3 decks4 decks
Overgrown Tomb
75%inclusion3 decks4 decks
Caves of Koilos
70%inclusion640 decks909 decks
Godless Shrine
63%inclusion570 decks909 decks
Tainted Field
61%inclusion559 decks909 decks
Fetid Heath
61%inclusion552 decks909 decks
Shattered Sanctum
53%inclusion484 decks909 decks
Shineshadow Snarl
50%inclusion457 decks909 decks
Bleachbone Verge
43%inclusion392 decks909 decks
Vault of Champions
42%inclusion385 decks909 decks
Marsh Flats
36%inclusion330 decks909 decks
Exotic Orchard
32%inclusion291 decks909 decks
Brightclimb Pathway
32%inclusion287 decks909 decks
Temple of Silence
31%inclusion285 decks909 decks
Shadowy Backstreet
30%inclusion271 decks909 decks
Desolate Mire
28%inclusion258 decks909 decks
Orzhov Basilica
28%inclusion253 decks909 decks
Concealed Courtyard
20%inclusion178 decks909 decks
Evolving Wilds
16%inclusion145 decks909 decks
Silent Clearing
14%inclusion125 decks909 decks
Scrubland
12%inclusion108 decks909 decks
Scoured Barrens
11%inclusion97 decks909 decks
Fabled Passage
10%inclusion94 decks909 decks
Myriad Landscape
10%inclusion90 decks909 decks
Terramorphic Expanse
10%inclusion87 decks909 decks
Sunlit Marsh
9.2%inclusion84 decks909 decks
Polluted Delta
9.1%inclusion83 decks909 decks
Bloodstained Mire
8.9%inclusion81 decks909 decks
Flooded Strand
8.4%inclusion76 decks909 decks
Arid Mesa
7.7%inclusion70 decks909 decks
Verdant Catacombs
7.5%inclusion68 decks909 decks
Windswept Heath
6.9%inclusion63 decks909 decks
Path of Ancestry
6.4%inclusion58 decks909 decks
City of Brass
5.5%inclusion50 decks909 decks