Eirdu, Carrier of Dawn
Umbral Collar Zealot
Zack Fair

   Prerequisites

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

   Steps

How does this combo work?
1
Activate Umbral Collar Zealot by sacrificing Zack Fair.
2
When Zack Fair dies, its persist 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
Ratadrabik of Urborg
0.2%inclusion6 decks2.87K decks
Felisa, Fang of Silverquill
0.3%inclusion4 decks1.30K decks
Elas il-Kor, Sadistic Pilgrim
0.1%inclusion3 decks3.94K decks
Celes, Rune Knight
0.0%inclusion3 decks6.55K decks
Zahur, Glory's Past
0.5%inclusion3 decks551 decks
Bartolomé del Presidio
0.2%inclusion2 decks890 decks
Tayam, Luminous Enigma
0.0%inclusion1 decks4.42K decks
Liesa, Forgotten Archangel
0.1%inclusion1 decks1.61K decks
Keleth, Sunmane Familiar // Reyhan, Last of the Abzan
1.0%inclusion1 decks104 decks
Felothar, Dawn of the Abzan
0.0%inclusion1 decks2.93K decks
Kenrith, the Returned King
0.0%inclusion1 decks14.4K decks
Squall, SeeD Mercenary
0.0%inclusion1 decks4.13K decks
New Cards
Kingpin, Wilson Fisk
3.1%inclusion2 decks65 decks
3%synergy
H.E.R.B.I.E., Lovable Robot
1.6%inclusion1 decks62 decks
1%synergy
Photon, Lady of Light
1.5%inclusion1 decks65 decks
1%synergy
Hammerhead, Maggia Boss
1.5%inclusion1 decks67 decks
1%synergy
Moonstone, Harsh Mistress
1.5%inclusion1 decks67 decks
1%synergy
High Synergy Cards
Warden of the Grove
100%inclusion4 decks4 decks
98%synergy
Viscera Seer
88%inclusion703 decks795 decks
80%synergy
Elas il-Kor, Sadistic Pilgrim
83%inclusion659 decks795 decks
74%synergy
Cruel Celebrant
79%inclusion628 decks795 decks
72%synergy
Vizier of Remedies
70%inclusion555 decks795 decks
70%synergy
Marionette Apprentice
69%inclusion552 decks795 decks
65%synergy
Zulaport Cutthroat
72%inclusion571 decks795 decks
63%synergy
Scholar of New Horizons
63%inclusion500 decks795 decks
62%synergy
Blood Artist
73%inclusion581 decks795 decks
62%synergy
Bastion of Remembrance
68%inclusion538 decks795 decks
61%synergy
Top Cards
Swords to Plowshares
72%inclusion576 decks795 decks
12%synergy
Pitiless Plunderer
66%inclusion526 decks795 decks
57%synergy
Deadly Dispute
62%inclusion491 decks795 decks
49%synergy
Bartolomé del Presidio
62%inclusion490 decks795 decks
58%synergy
Carrion Feeder
61%inclusion483 decks795 decks
56%synergy
Geralf's Messenger
60%inclusion477 decks795 decks
60%synergy
Ashnod's Altar
60%inclusion475 decks795 decks
53%synergy
Butcher Ghoul
58%inclusion465 decks795 decks
58%synergy
Luminous Broodmoth
58%inclusion461 decks795 decks
55%synergy
Corpse Knight
58%inclusion461 decks795 decks
53%synergy
Game Changers
Demonic Tutor
19%inclusion154 decks795 decks
1%synergy
Vampiric Tutor
14%inclusion111 decks795 decks
-0%synergy
Teferi's Protection
11%inclusion90 decks795 decks
-5%synergy
Enlightened Tutor
10%inclusion83 decks795 decks
-4%synergy
Ancient Tomb
9.1%inclusion72 decks795 decks
-0%synergy
Bolas's Citadel
7.7%inclusion61 decks795 decks
-0%synergy
The One Ring
7.2%inclusion57 decks795 decks
-1%synergy
Orcish Bowmasters
7.2%inclusion57 decks795 decks
-1%synergy
Necropotence
7.0%inclusion56 decks795 decks
2%synergy
Mana Vault
5.2%inclusion41 decks795 decks
-1%synergy
Creatures
Murderous Redcap
75%inclusion3 decks4 decks
73%synergy
Mayhem Devil
75%inclusion3 decks4 decks
65%synergy
Solemn Simulacrum
56%inclusion444 decks795 decks
44%synergy
Woe Strider
55%inclusion440 decks795 decks
53%synergy
Grim Haruspex
54%inclusion430 decks795 decks
51%synergy
Morbid Opportunist
53%inclusion420 decks795 decks
45%synergy
Gray Merchant of Asphodel
48%inclusion380 decks795 decks
39%synergy
Mikaeus, the Unhallowed
46%inclusion369 decks795 decks
44%synergy
Warren Soultrader
46%inclusion366 decks795 decks
40%synergy
Midnight Reaper
45%inclusion357 decks795 decks
42%synergy
Vengeful Bloodwitch
44%inclusion353 decks795 decks
43%synergy
The Duke, Rebel Sentry
40%inclusion304 decks769 decks
39%synergy
Elenda, the Dusk Rose
36%inclusion286 decks795 decks
31%synergy
Rhys, the Evermore
35%inclusion260 decks741 decks
35%synergy
Witch Enchanter
35%inclusion276 decks795 decks
27%synergy
Sun Titan
34%inclusion270 decks795 decks
26%synergy
Sephiroth, Fabled SOLDIER
33%inclusion264 decks795 decks
31%synergy
Welcoming Vampire
33%inclusion260 decks795 decks
27%synergy
Accursed Marauder
32%inclusion258 decks795 decks
27%synergy
Junji, the Midnight Sky
31%inclusion250 decks795 decks
29%synergy
Syr Konrad, the Grim
31%inclusion244 decks795 decks
23%synergy
Braids, Arisen Nightmare
30%inclusion239 decks795 decks
23%synergy
Yawgmoth, Thran Physician
28%inclusion220 decks795 decks
24%synergy
Selfless Spirit
25%inclusion199 decks795 decks
20%synergy
Lotho, Corrupt Shirriff
25%inclusion199 decks795 decks
12%synergy
Yahenni, Undying Partisan
25%inclusion196 decks795 decks
22%synergy
Syr Vondam, Sunstar Exemplar
24%inclusion193 decks795 decks
22%synergy
Teysa Karlov
24%inclusion193 decks795 decks
20%synergy
Triskelion
23%inclusion179 decks795 decks
22%synergy
Pawn of Ulamog
22%inclusion176 decks795 decks
20%synergy
Esper Sentinel
22%inclusion172 decks795 decks
3%synergy
Voice of Victory
21%inclusion164 decks795 decks
14%synergy
Emptiness
19%inclusion151 decks795 decks
18%synergy
Spirited Companion
19%inclusion150 decks795 decks
15%synergy
Enduring Innocence
18%inclusion145 decks795 decks
14%synergy
Bitterbloom Bearer
17%inclusion132 decks795 decks
14%synergy
Loran of the Third Path
17%inclusion132 decks795 decks
10%synergy
Twilight Diviner
16%inclusion119 decks735 decks
14%synergy
Agent Venom
16%inclusion128 decks795 decks
15%synergy
Shriekmaw
16%inclusion126 decks795 decks
14%synergy
Wall of Omens
13%inclusion105 decks795 decks
10%synergy
Grand Abolisher
13%inclusion105 decks795 decks
4%synergy
Bloodcrazed Paladin
13%inclusion104 decks795 decks
13%synergy
Charismatic Conqueror
12%inclusion99 decks795 decks
9%synergy
Teysa, Orzhov Scion
12%inclusion93 decks795 decks
10%synergy
Emeritus of Woe
11%inclusion25 decks225 decks
8%synergy
Ophiomancer
11%inclusion87 decks795 decks
7%synergy
Bone Devourer
11%inclusion86 decks795 decks
11%synergy
Boss's Chauffeur
11%inclusion86 decks795 decks
10%synergy
Boggart Trawler
11%inclusion85 decks795 decks
7%synergy
Instants
Path to Exile
57%inclusion457 decks795 decks
10%synergy
Dark Ritual
55%inclusion439 decks795 decks
30%synergy
Village Rites
51%inclusion403 decks795 decks
41%synergy
Anguished Unmaking
40%inclusion316 decks795 decks
15%synergy
Corrupted Conviction
37%inclusion298 decks795 decks
33%synergy
Despark
28%inclusion220 decks795 decks
15%synergy
Flare of Fortitude
27%inclusion213 decks795 decks
23%synergy
Plumb the Forbidden
26%inclusion203 decks795 decks
23%synergy
Generous Gift
24%inclusion192 decks795 decks
3%synergy
Fell the Profane
20%inclusion156 decks795 decks
11%synergy
Duty Beyond Death
19%inclusion149 decks795 decks
17%synergy
Malakir Rebirth
16%inclusion125 decks795 decks
7%synergy
Deadly Rollick
15%inclusion118 decks795 decks
1%synergy
Inkshield
14%inclusion115 decks795 decks
7%synergy
Stroke of Midnight
14%inclusion114 decks795 decks
4%synergy
Fracture
13%inclusion106 decks795 decks
8%synergy
Mortify
13%inclusion101 decks795 decks
2%synergy
Culling the Weak
12%inclusion99 decks795 decks
8%synergy
Silence
10%inclusion78 decks795 decks
4%synergy
Erode
9.3%inclusion23 decks246 decks
5%synergy
Reprieve
8.2%inclusion65 decks795 decks
4%synergy
Undying Evil
7.7%inclusion61 decks795 decks
7%synergy
Imp's Mischief
7.4%inclusion59 decks795 decks
4%synergy
Flawless Maneuver
7.0%inclusion56 decks795 decks
-4%synergy
Flare of Malice
6.9%inclusion55 decks795 decks
5%synergy
Lethal Scheme
6.7%inclusion53 decks795 decks
4%synergy
Saw in Half
6.5%inclusion52 decks795 decks
2%synergy
Sejiri Shelter
6.0%inclusion48 decks795 decks
3%synergy
Cabal Ritual
5.8%inclusion46 decks795 decks
0%synergy
Restoration Magic
5.7%inclusion45 decks795 decks
2%synergy
Clever Concealment
5.5%inclusion44 decks795 decks
1%synergy
Dawn's Truce
5.5%inclusion44 decks795 decks
-1%synergy
Entomb
5.0%inclusion40 decks795 decks
-2%synergy
Sorceries
Victimize
52%inclusion417 decks795 decks
40%synergy
Damn
44%inclusion350 decks795 decks
29%synergy
Reanimate
34%inclusion273 decks795 decks
15%synergy
Diabolic Intent
28%inclusion224 decks795 decks
21%synergy
Night's Whisper
23%inclusion183 decks795 decks
13%synergy
Toxic Deluge
23%inclusion179 decks795 decks
5%synergy
Austere Command
20%inclusion159 decks795 decks
9%synergy
Rite of Oblivion
14%inclusion114 decks795 decks
12%synergy
Blasphemous Edict
14%inclusion113 decks795 decks
9%synergy
Sign in Blood
14%inclusion113 decks795 decks
6%synergy
Sevinne's Reclamation
14%inclusion112 decks795 decks
7%synergy
Dread Return
13%inclusion106 decks795 decks
8%synergy
Feed the Swarm
9.3%inclusion74 decks795 decks
-6%synergy
Living Death
8.9%inclusion71 decks795 decks
4%synergy
Vindicate
7.5%inclusion60 decks795 decks
2%synergy
Diabolic Tutor
7.2%inclusion57 decks795 decks
2%synergy
Agadeem's Awakening
6.5%inclusion52 decks795 decks
4%synergy
Pitiless Carnage
6.0%inclusion48 decks795 decks
6%synergy
Wrath of God
5.9%inclusion47 decks795 decks
1%synergy
Raise the Past
5.5%inclusion44 decks795 decks
4%synergy
Morningtide's Light
5.3%inclusion42 decks795 decks
5%synergy
By Invitation Only
5.0%inclusion40 decks795 decks
5%synergy
Utility Artifacts
Skullclamp
57%inclusion454 decks795 decks
46%synergy
Phyrexian Altar
38%inclusion302 decks795 decks
34%synergy
Lightning Greaves
35%inclusion278 decks795 decks
10%synergy
Altar of Dementia
29%inclusion233 decks795 decks
27%synergy
Swiftfoot Boots
27%inclusion212 decks795 decks
-0%synergy
Blasting Station
26%inclusion208 decks795 decks
26%synergy
Oketra's Monument
13%inclusion107 decks795 decks
12%synergy
Spawning Pit
10%inclusion80 decks795 decks
10%synergy
Wayfarer's Bauble
7.3%inclusion58 decks795 decks
0%synergy
Jet Medallion
6.5%inclusion52 decks795 decks
3%synergy
Pearl Medallion
6.4%inclusion51 decks795 decks
4%synergy
Wishclaw Talisman
5.8%inclusion46 decks795 decks
1%synergy
Enchantments
Cathars' Crusade
50%inclusion401 decks795 decks
45%synergy
Solemnity
44%inclusion349 decks795 decks
43%synergy
Thran Vigil
37%inclusion295 decks795 decks
37%synergy
Phyrexian Arena
26%inclusion209 decks795 decks
11%synergy
The Meathook Massacre
26%inclusion203 decks795 decks
20%synergy
Black Market Connections
21%inclusion170 decks795 decks
9%synergy
Vampiric Rites
16%inclusion124 decks795 decks
13%synergy
Grave Pact
15%inclusion123 decks795 decks
11%synergy
Smothering Tithe
14%inclusion110 decks795 decks
-6%synergy
Funeral Room // Awakening Hall
13%inclusion102 decks795 decks
11%synergy
Bitterblossom
12%inclusion99 decks795 decks
8%synergy
Sothera, the Supervoid
12%inclusion94 decks795 decks
11%synergy
Barrensteppe Siege
12%inclusion92 decks795 decks
10%synergy
Fanatical Devotion
8.3%inclusion66 decks795 decks
8%synergy
Land Tax
7.9%inclusion63 decks795 decks
1%synergy
Grave Venerations
7.4%inclusion55 decks740 decks
6%synergy
Martyr's Cause
7.4%inclusion59 decks795 decks
7%synergy
Felidar Retreat
7.0%inclusion56 decks795 decks
1%synergy
Animate Dead
6.8%inclusion54 decks795 decks
-2%synergy
Dictate of Erebos
6.5%inclusion52 decks795 decks
4%synergy
Skrelv's Hive
6.0%inclusion48 decks795 decks
4%synergy
Trouble in Pairs
5.3%inclusion42 decks795 decks
1%synergy
Blind Obedience
5.0%inclusion40 decks795 decks
-1%synergy
Planeswalkers
Liliana, Dreadhorde General
11%inclusion84 decks795 decks
7%synergy
Artifacts
Sol Ring
90%inclusion717 decks795 decks
7%synergy
Arcane Signet
89%inclusion711 decks795 decks
17%synergy
Talisman of Hierarchy
71%inclusion561 decks795 decks
44%synergy
Orzhov Signet
64%inclusion510 decks795 decks
42%synergy
Skullclamp
57%inclusion454 decks795 decks
46%synergy
Phyrexian Altar
38%inclusion302 decks795 decks
34%synergy
Lightning Greaves
35%inclusion278 decks795 decks
10%synergy
Fellwar Stone
30%inclusion241 decks795 decks
10%synergy
Altar of Dementia
29%inclusion233 decks795 decks
27%synergy
Swiftfoot Boots
27%inclusion212 decks795 decks
-0%synergy
Blasting Station
26%inclusion208 decks795 decks
26%synergy
Mind Stone
22%inclusion171 decks795 decks
8%synergy
Thought Vessel
16%inclusion126 decks795 decks
-1%synergy
Oketra's Monument
13%inclusion107 decks795 decks
12%synergy
Spawning Pit
10%inclusion80 decks795 decks
10%synergy
The Soul Stone
10%inclusion79 decks795 decks
6%synergy
Crowded Crypt
7.5%inclusion60 decks795 decks
6%synergy
Wayfarer's Bauble
7.3%inclusion58 decks795 decks
0%synergy
Commander's Sphere
7.2%inclusion57 decks795 decks
-4%synergy
Lotus Petal
6.9%inclusion55 decks795 decks
-0%synergy
Jet Medallion
6.5%inclusion52 decks795 decks
3%synergy
Pearl Medallion
6.4%inclusion51 decks795 decks
4%synergy
Wishclaw Talisman
5.8%inclusion46 decks795 decks
1%synergy
Utility Lands
Bojuka Bog
41%inclusion322 decks795 decks
11%synergy
High Market
36%inclusion289 decks795 decks
34%synergy
Phyrexian Tower
34%inclusion271 decks795 decks
25%synergy
Vault of the Archangel
23%inclusion179 decks795 decks
10%synergy
Abandoned Air Temple
20%inclusion157 decks769 decks
16%synergy
Reliquary Tower
19%inclusion148 decks795 decks
-11%synergy
Urborg, Tomb of Yawgmoth
17%inclusion134 decks795 decks
8%synergy
Susur Secundi, Void Altar
16%inclusion131 decks795 decks
14%synergy
Nesting Grounds
16%inclusion125 decks795 decks
13%synergy
Midgar, City of Mako
15%inclusion123 decks795 decks
12%synergy
Takenuma, Abandoned Mire
14%inclusion108 decks795 decks
5%synergy
Spymaster's Vault
9.4%inclusion75 decks795 decks
7%synergy
Eiganjo, Seat of the Empire
9.1%inclusion72 decks795 decks
2%synergy
Westvale Abbey
8.4%inclusion67 decks795 decks
6%synergy
Command Beacon
8.1%inclusion64 decks795 decks
3%synergy
Urza's Saga
6.9%inclusion55 decks795 decks
-0%synergy
Cabal Coffers
6.8%inclusion54 decks795 decks
-3%synergy
Restless Fortress
6.2%inclusion49 decks795 decks
5%synergy
Mana Artifacts
Sol Ring
90%inclusion717 decks795 decks
7%synergy
Arcane Signet
89%inclusion711 decks795 decks
17%synergy
Talisman of Hierarchy
71%inclusion561 decks795 decks
44%synergy
Orzhov Signet
64%inclusion510 decks795 decks
42%synergy
Fellwar Stone
30%inclusion241 decks795 decks
10%synergy
Mind Stone
22%inclusion171 decks795 decks
8%synergy
Thought Vessel
16%inclusion126 decks795 decks
-1%synergy
The Soul Stone
10%inclusion79 decks795 decks
6%synergy
Crowded Crypt
7.5%inclusion60 decks795 decks
6%synergy
Commander's Sphere
7.2%inclusion57 decks795 decks
-4%synergy
Lotus Petal
6.9%inclusion55 decks795 decks
-0%synergy
Lands
Temple Garden
100%inclusion4 decks4 decks
60%synergy
Command Tower
91%inclusion722 decks795 decks
17%synergy
Isolated Chapel
78%inclusion622 decks795 decks
44%synergy
Lush Portico
75%inclusion3 decks4 decks
66%synergy
Rugged Prairie
75%inclusion3 decks4 decks
59%synergy
Sulfurous Springs
75%inclusion3 decks4 decks
51%synergy
Battlefield Forge
75%inclusion3 decks4 decks
45%synergy
Blood Crypt
75%inclusion3 decks4 decks
36%synergy
Caves of Koilos
72%inclusion572 decks795 decks
43%synergy
Fetid Heath
61%inclusion487 decks795 decks
47%synergy
Godless Shrine
59%inclusion473 decks795 decks
18%synergy
Tainted Field
57%inclusion455 decks795 decks
45%synergy
Shattered Sanctum
51%inclusion403 decks795 decks
34%synergy
Shineshadow Snarl
47%inclusion377 decks795 decks
35%synergy
Vault of Champions
39%inclusion311 decks795 decks
16%synergy
Bleachbone Verge
38%inclusion306 decks795 decks
30%synergy
Exotic Orchard
33%inclusion266 decks795 decks
-3%synergy
Marsh Flats
33%inclusion260 decks795 decks
22%synergy
Temple of Silence
32%inclusion257 decks795 decks
16%synergy
Brightclimb Pathway
32%inclusion255 decks795 decks
24%synergy
Desolate Mire
31%inclusion245 decks795 decks
24%synergy
Orzhov Basilica
30%inclusion238 decks795 decks
16%synergy
Shadowy Backstreet
29%inclusion232 decks795 decks
19%synergy
Concealed Courtyard
19%inclusion155 decks795 decks
14%synergy
Silent Clearing
17%inclusion134 decks795 decks
13%synergy
Evolving Wilds
16%inclusion127 decks795 decks
-4%synergy
Scrubland
13%inclusion101 decks795 decks
-1%synergy
Scoured Barrens
12%inclusion99 decks795 decks
4%synergy
Sunlit Marsh
12%inclusion94 decks795 decks
8%synergy
Fabled Passage
11%inclusion86 decks795 decks
0%synergy
Myriad Landscape
10%inclusion81 decks795 decks
-5%synergy
Terramorphic Expanse
10%inclusion78 decks795 decks
-5%synergy
Flooded Strand
9.2%inclusion73 decks795 decks
-2%synergy
Eclipsed Steppe
8.8%inclusion23 decks261 decks
3%synergy
Polluted Delta
8.7%inclusion69 decks795 decks
-3%synergy
Bloodstained Mire
8.2%inclusion65 decks795 decks
-3%synergy
Arid Mesa
7.7%inclusion61 decks795 decks
-2%synergy
Path of Ancestry
7.7%inclusion61 decks795 decks
-15%synergy
Turbulent Moor
7.3%inclusion19 decks261 decks
1%synergy
Verdant Catacombs
7.2%inclusion57 decks795 decks
-4%synergy
Windswept Heath
6.3%inclusion50 decks795 decks
-5%synergy
City of Brass
5.9%inclusion47 decks795 decks
-2%synergy
Demolition Field
5.8%inclusion46 decks795 decks
3%synergy
Prismatic Vista
5.8%inclusion46 decks795 decks
1%synergy
Mana Confluence
5.0%inclusion40 decks795 decks
-2%synergy