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
Eirdu, Carrier of Dawn
16%inclusion567 decks3.65K decks
Top Commanders
Felisa, Fang of Silverquill
0.4%inclusion3 decks840 decks
Ratadrabik of Urborg
0.1%inclusion2 decks1.96K decks
Tayam, Luminous Enigma
0.0%inclusion1 decks3.02K decks
Teysa Karlov
0.0%inclusion1 decks6.77K decks
Elas il-Kor, Sadistic Pilgrim
0.0%inclusion1 decks2.70K decks
Athreos, God of Passage
0.0%inclusion1 decks2.70K decks
New Cards
Brigid, Clachan's Heart
100%inclusion1 decks1 decks
98%synergy
Formidable Speaker
100%inclusion1 decks1 decks
97%synergy
Rhys, the Evermore
34%inclusion177 decks522 decks
33%synergy
Emptiness
19%inclusion110 decks576 decks
19%synergy
Bitterbloom Bearer
17%inclusion96 decks576 decks
15%synergy
High Synergy Cards
Viscera Seer
90%inclusion521 decks576 decks
82%synergy
Cruel Celebrant
82%inclusion474 decks576 decks
75%synergy
Elas il-Kor, Sadistic Pilgrim
84%inclusion485 decks576 decks
75%synergy
Vizier of Remedies
69%inclusion399 decks576 decks
69%synergy
Marionette Apprentice
69%inclusion399 decks576 decks
65%synergy
Zulaport Cutthroat
73%inclusion419 decks576 decks
64%synergy
Blood Artist
76%inclusion435 decks576 decks
64%synergy
Scholar of New Horizons
65%inclusion372 decks576 decks
63%synergy
Bastion of Remembrance
69%inclusion398 decks576 decks
63%synergy
Pitiless Plunderer
70%inclusion405 decks576 decks
62%synergy
Top Cards
Swords to Plowshares
72%inclusion415 decks576 decks
11%synergy
Carrion Feeder
63%inclusion363 decks576 decks
59%synergy
Ashnod's Altar
62%inclusion356 decks576 decks
55%synergy
Geralf's Messenger
61%inclusion354 decks576 decks
61%synergy
Deadly Dispute
61%inclusion351 decks576 decks
49%synergy
Bartolomé del Presidio
60%inclusion348 decks576 decks
56%synergy
Skullclamp
60%inclusion343 decks576 decks
48%synergy
Butcher Ghoul
59%inclusion338 decks576 decks
58%synergy
Corpse Knight
58%inclusion335 decks576 decks
53%synergy
Luminous Broodmoth
57%inclusion330 decks576 decks
55%synergy
Game Changers
Demonic Tutor
20%inclusion113 decks576 decks
0%synergy
Vampiric Tutor
14%inclusion80 decks576 decks
-1%synergy
Teferi's Protection
11%inclusion66 decks576 decks
-5%synergy
Enlightened Tutor
11%inclusion65 decks576 decks
-4%synergy
Ancient Tomb
8.7%inclusion50 decks576 decks
-1%synergy
The One Ring
8.0%inclusion46 decks576 decks
0%synergy
Bolas's Citadel
7.3%inclusion42 decks576 decks
-1%synergy
Necropotence
7.1%inclusion41 decks576 decks
2%synergy
Orcish Bowmasters
6.9%inclusion40 decks576 decks
-1%synergy
Mana Vault
5.0%inclusion29 decks576 decks
-1%synergy
Creatures
Grim Haruspex
57%inclusion329 decks576 decks
54%synergy
Solemn Simulacrum
57%inclusion329 decks576 decks
45%synergy
Woe Strider
56%inclusion324 decks576 decks
54%synergy
Morbid Opportunist
53%inclusion304 decks576 decks
45%synergy
Gray Merchant of Asphodel
51%inclusion293 decks576 decks
42%synergy
Mikaeus, the Unhallowed
51%inclusion292 decks576 decks
48%synergy
Warren Soultrader
48%inclusion279 decks576 decks
43%synergy
Midnight Reaper
46%inclusion264 decks576 decks
43%synergy
Vengeful Bloodwitch
45%inclusion257 decks576 decks
43%synergy
The Duke, Rebel Sentry
41%inclusion228 decks550 decks
41%synergy
Elenda, the Dusk Rose
36%inclusion207 decks576 decks
31%synergy
Witch Enchanter
36%inclusion207 decks576 decks
29%synergy
Sephiroth, Fabled SOLDIER
36%inclusion206 decks576 decks
33%synergy
Junji, the Midnight Sky
34%inclusion197 decks576 decks
32%synergy
Syr Konrad, the Grim
34%inclusion196 decks576 decks
26%synergy
Sun Titan
34%inclusion195 decks576 decks
26%synergy
Accursed Marauder
34%inclusion194 decks576 decks
28%synergy
Welcoming Vampire
33%inclusion189 decks576 decks
27%synergy
Yawgmoth, Thran Physician
30%inclusion174 decks576 decks
27%synergy
Braids, Arisen Nightmare
30%inclusion172 decks576 decks
23%synergy
Yahenni, Undying Partisan
27%inclusion153 decks576 decks
24%synergy
Lotho, Corrupt Shirriff
26%inclusion148 decks576 decks
13%synergy
Pawn of Ulamog
24%inclusion140 decks576 decks
22%synergy
Selfless Spirit
24%inclusion139 decks576 decks
20%synergy
Triskelion
24%inclusion137 decks576 decks
23%synergy
Esper Sentinel
23%inclusion133 decks576 decks
4%synergy
Voice of Victory
23%inclusion132 decks576 decks
16%synergy
Teysa Karlov
23%inclusion131 decks576 decks
18%synergy
Syr Vondam, Sunstar Exemplar
23%inclusion130 decks576 decks
21%synergy
Spirited Companion
20%inclusion116 decks576 decks
16%synergy
Enduring Innocence
18%inclusion104 decks576 decks
14%synergy
Loran of the Third Path
18%inclusion104 decks576 decks
11%synergy
Shriekmaw
17%inclusion97 decks576 decks
15%synergy
Agent Venom
17%inclusion96 decks576 decks
16%synergy
Twilight Diviner
16%inclusion84 decks515 decks
14%synergy
Bloodcrazed Paladin
14%inclusion82 decks576 decks
14%synergy
Charismatic Conqueror
14%inclusion82 decks576 decks
11%synergy
Grand Abolisher
14%inclusion82 decks576 decks
5%synergy
Wall of Omens
13%inclusion77 decks576 decks
10%synergy
Teysa, Orzhov Scion
12%inclusion69 decks576 decks
10%synergy
Bone Devourer
12%inclusion67 decks576 decks
11%synergy
Boss's Chauffeur
11%inclusion65 decks576 decks
11%synergy
Boggart Trawler
11%inclusion65 decks576 decks
7%synergy
Boromir, Warden of the Tower
11%inclusion64 decks576 decks
7%synergy
Karmic Guide
10%inclusion60 decks576 decks
7%synergy
Knight of the White Orchid
10%inclusion60 decks576 decks
6%synergy
Sifter of Skulls
10%inclusion57 decks576 decks
9%synergy
Priest of Forgotten Gods
9.0%inclusion52 decks576 decks
7%synergy
Susurian Voidborn
8.9%inclusion51 decks576 decks
8%synergy
Dockworker Drone
8.7%inclusion50 decks576 decks
8%synergy
Instants
Path to Exile
56%inclusion320 decks576 decks
8%synergy
Dark Ritual
55%inclusion314 decks576 decks
30%synergy
Village Rites
51%inclusion293 decks576 decks
42%synergy
Anguished Unmaking
41%inclusion235 decks576 decks
16%synergy
Corrupted Conviction
36%inclusion209 decks576 decks
32%synergy
Flare of Fortitude
28%inclusion164 decks576 decks
24%synergy
Generous Gift
28%inclusion162 decks576 decks
6%synergy
Despark
28%inclusion160 decks576 decks
14%synergy
Plumb the Forbidden
26%inclusion152 decks576 decks
24%synergy
Fell the Profane
21%inclusion122 decks576 decks
12%synergy
Malakir Rebirth
18%inclusion102 decks576 decks
10%synergy
Duty Beyond Death
18%inclusion101 decks576 decks
16%synergy
Stroke of Midnight
16%inclusion91 decks576 decks
5%synergy
Deadly Rollick
15%inclusion87 decks576 decks
1%synergy
Inkshield
15%inclusion84 decks576 decks
8%synergy
Fracture
14%inclusion79 decks576 decks
9%synergy
Culling the Weak
12%inclusion68 decks576 decks
8%synergy
Mortify
12%inclusion68 decks576 decks
1%synergy
Silence
10%inclusion58 decks576 decks
4%synergy
Saw in Half
7.5%inclusion43 decks576 decks
3%synergy
Flawless Maneuver
7.5%inclusion43 decks576 decks
-3%synergy
Undying Evil
7.3%inclusion42 decks576 decks
7%synergy
Flare of Malice
7.1%inclusion41 decks576 decks
5%synergy
Imp's Mischief
6.8%inclusion39 decks576 decks
3%synergy
Reprieve
6.8%inclusion39 decks576 decks
2%synergy
Dawn's Truce
6.3%inclusion36 decks576 decks
-1%synergy
Lethal Scheme
6.1%inclusion35 decks576 decks
4%synergy
Cabal Ritual
5.9%inclusion34 decks576 decks
1%synergy
Sejiri Shelter
5.6%inclusion32 decks576 decks
2%synergy
Restoration Magic
5.6%inclusion32 decks576 decks
2%synergy
Clever Concealment
5.6%inclusion32 decks576 decks
1%synergy
Sorceries
Victimize
53%inclusion303 decks576 decks
40%synergy
Damn
46%inclusion263 decks576 decks
31%synergy
Reanimate
34%inclusion197 decks576 decks
15%synergy
Diabolic Intent
28%inclusion163 decks576 decks
21%synergy
Toxic Deluge
23%inclusion134 decks576 decks
5%synergy
Night's Whisper
23%inclusion132 decks576 decks
14%synergy
Austere Command
20%inclusion114 decks576 decks
8%synergy
Blasphemous Edict
15%inclusion89 decks576 decks
10%synergy
Dread Return
15%inclusion86 decks576 decks
10%synergy
Rite of Oblivion
14%inclusion82 decks576 decks
12%synergy
Sign in Blood
14%inclusion80 decks576 decks
5%synergy
Sevinne's Reclamation
14%inclusion79 decks576 decks
7%synergy
Feed the Swarm
10%inclusion55 decks576 decks
-6%synergy
Living Death
9.2%inclusion53 decks576 decks
4%synergy
Agadeem's Awakening
7.5%inclusion43 decks576 decks
4%synergy
Diabolic Tutor
7.5%inclusion43 decks576 decks
2%synergy
Vindicate
7.3%inclusion42 decks576 decks
1%synergy
Morningtide's Light
6.3%inclusion36 decks576 decks
6%synergy
Farewell
5.6%inclusion32 decks576 decks
-7%synergy
Pitiless Carnage
5.4%inclusion31 decks576 decks
5%synergy
Grim Tutor
5.4%inclusion31 decks576 decks
1%synergy
Wrath of God
5.2%inclusion30 decks576 decks
0%synergy
Raise the Past
5.0%inclusion29 decks576 decks
4%synergy
Utility Artifacts
Phyrexian Altar
40%inclusion231 decks576 decks
37%synergy
Lightning Greaves
37%inclusion211 decks576 decks
12%synergy
Altar of Dementia
32%inclusion185 decks576 decks
30%synergy
Swiftfoot Boots
27%inclusion156 decks576 decks
0%synergy
Blasting Station
27%inclusion155 decks576 decks
26%synergy
Oketra's Monument
14%inclusion82 decks576 decks
13%synergy
Spawning Pit
11%inclusion62 decks576 decks
10%synergy
Wayfarer's Bauble
8.0%inclusion46 decks576 decks
1%synergy
Jet Medallion
6.8%inclusion39 decks576 decks
3%synergy
Pearl Medallion
5.6%inclusion32 decks576 decks
3%synergy
Enchantments
Cathars' Crusade
54%inclusion310 decks576 decks
49%synergy
Solemnity
46%inclusion263 decks576 decks
45%synergy
Thran Vigil
38%inclusion220 decks576 decks
38%synergy
The Meathook Massacre
28%inclusion162 decks576 decks
23%synergy
Phyrexian Arena
26%inclusion147 decks576 decks
10%synergy
Black Market Connections
22%inclusion127 decks576 decks
10%synergy
Grave Pact
16%inclusion95 decks576 decks
12%synergy
Bitterblossom
14%inclusion82 decks576 decks
10%synergy
Smothering Tithe
14%inclusion82 decks576 decks
-7%synergy
Funeral Room // Awakening Hall
14%inclusion78 decks576 decks
12%synergy
Vampiric Rites
14%inclusion78 decks576 decks
11%synergy
Barrensteppe Siege
13%inclusion75 decks576 decks
11%synergy
Sothera, the Supervoid
12%inclusion69 decks576 decks
11%synergy
Fanatical Devotion
9.4%inclusion54 decks576 decks
9%synergy
Martyr's Cause
8.7%inclusion50 decks576 decks
8%synergy
Grave Venerations
8.3%inclusion43 decks521 decks
6%synergy
Land Tax
8.2%inclusion47 decks576 decks
2%synergy
Felidar Retreat
7.6%inclusion44 decks576 decks
2%synergy
Animate Dead
6.9%inclusion40 decks576 decks
-2%synergy
Dictate of Erebos
6.8%inclusion39 decks576 decks
4%synergy
Skrelv's Hive
6.6%inclusion38 decks576 decks
5%synergy
Trouble in Pairs
5.9%inclusion34 decks576 decks
1%synergy
Blind Obedience
5.7%inclusion33 decks576 decks
0%synergy
Planeswalkers
Liliana, Dreadhorde General
11%inclusion66 decks576 decks
8%synergy
Utility Lands
Bojuka Bog
41%inclusion234 decks576 decks
11%synergy
High Market
37%inclusion214 decks576 decks
35%synergy
Phyrexian Tower
35%inclusion203 decks576 decks
26%synergy
Vault of the Archangel
21%inclusion123 decks576 decks
9%synergy
Reliquary Tower
20%inclusion118 decks576 decks
-9%synergy
Abandoned Air Temple
20%inclusion108 decks550 decks
15%synergy
Urborg, Tomb of Yawgmoth
18%inclusion103 decks576 decks
9%synergy
Midgar, City of Mako
17%inclusion96 decks576 decks
13%synergy
Susur Secundi, Void Altar
16%inclusion94 decks576 decks
14%synergy
Nesting Grounds
15%inclusion86 decks576 decks
13%synergy
Takenuma, Abandoned Mire
14%inclusion81 decks576 decks
6%synergy
Eiganjo, Seat of the Empire
10%inclusion56 decks576 decks
3%synergy
Spymaster's Vault
10%inclusion55 decks576 decks
7%synergy
Command Beacon
9.4%inclusion54 decks576 decks
4%synergy
Westvale Abbey
7.8%inclusion45 decks576 decks
6%synergy
Cabal Coffers
7.3%inclusion42 decks576 decks
-2%synergy
Urza's Saga
7.1%inclusion41 decks576 decks
0%synergy
Restless Fortress
5.9%inclusion34 decks576 decks
4%synergy
Mana Artifacts
Sol Ring
90%inclusion520 decks576 decks
7%synergy
Arcane Signet
90%inclusion518 decks576 decks
18%synergy
Talisman of Hierarchy
72%inclusion416 decks576 decks
46%synergy
Orzhov Signet
64%inclusion370 decks576 decks
41%synergy
Fellwar Stone
31%inclusion176 decks576 decks
10%synergy
Mind Stone
22%inclusion128 decks576 decks
8%synergy
Thought Vessel
16%inclusion90 decks576 decks
-2%synergy
The Soul Stone
11%inclusion65 decks576 decks
7%synergy
Lotus Petal
6.9%inclusion40 decks576 decks
0%synergy
Crowded Crypt
6.8%inclusion39 decks576 decks
5%synergy
Commander's Sphere
6.8%inclusion39 decks576 decks
-5%synergy
Lands
Command Tower
92%inclusion531 decks576 decks
18%synergy
Isolated Chapel
78%inclusion450 decks576 decks
44%synergy
Caves of Koilos
72%inclusion417 decks576 decks
43%synergy
Godless Shrine
63%inclusion364 decks576 decks
22%synergy
Fetid Heath
61%inclusion353 decks576 decks
48%synergy
Tainted Field
59%inclusion342 decks576 decks
47%synergy
Shattered Sanctum
49%inclusion281 decks576 decks
34%synergy
Shineshadow Snarl
46%inclusion263 decks576 decks
33%synergy
Vault of Champions
41%inclusion237 decks576 decks
17%synergy
Bleachbone Verge
40%inclusion232 decks576 decks
32%synergy
Marsh Flats
35%inclusion201 decks576 decks
24%synergy
Exotic Orchard
34%inclusion193 decks576 decks
-3%synergy
Brightclimb Pathway
33%inclusion192 decks576 decks
25%synergy
Orzhov Basilica
33%inclusion192 decks576 decks
19%synergy
Temple of Silence
32%inclusion183 decks576 decks
15%synergy
Shadowy Backstreet
32%inclusion182 decks576 decks
21%synergy
Desolate Mire
29%inclusion168 decks576 decks
23%synergy
Concealed Courtyard
20%inclusion114 decks576 decks
14%synergy
Silent Clearing
18%inclusion103 decks576 decks
13%synergy
Evolving Wilds
16%inclusion91 decks576 decks
-5%synergy
Scrubland
14%inclusion78 decks576 decks
0%synergy
Sunlit Marsh
11%inclusion65 decks576 decks
7%synergy
Myriad Landscape
11%inclusion62 decks576 decks
-5%synergy
Fabled Passage
10%inclusion60 decks576 decks
1%synergy
Terramorphic Expanse
10%inclusion59 decks576 decks
-5%synergy
Scoured Barrens
10%inclusion56 decks576 decks
1%synergy
Flooded Strand
10%inclusion55 decks576 decks
-2%synergy
Polluted Delta
10%inclusion55 decks576 decks
-3%synergy
Bloodstained Mire
8.9%inclusion51 decks576 decks
-2%synergy
Arid Mesa
8.2%inclusion47 decks576 decks
-2%synergy
Verdant Catacombs
7.3%inclusion42 decks576 decks
-4%synergy
Path of Ancestry
7.3%inclusion42 decks576 decks
-15%synergy
Windswept Heath
6.9%inclusion40 decks576 decks
-4%synergy
Prismatic Vista
6.6%inclusion38 decks576 decks
2%synergy
City of Brass
6.3%inclusion36 decks576 decks
-1%synergy
Lazotep Quarry
5.4%inclusion31 decks576 decks
5%synergy
Mana Confluence
5.4%inclusion31 decks576 decks
-2%synergy
Snowfield Sinkhole
5.2%inclusion30 decks576 decks
3%synergy