Eirdu, Carrier of Dawn
Umbral Collar Zealot
Custodi Soulbinders

   Prerequisites

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

   Steps

How does this combo work?
1
Activate Umbral Collar Zealot by sacrificing Custodi Soulbinders.
2
When Custodi Soulbinders 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
0.2%inclusion6 decks3.14K decks
New Cards
Kinbinding
25%inclusion1 decks4 decks
24%synergy
Adept Watershaper
25%inclusion1 decks4 decks
23%synergy
Emptiness
17%inclusion1 decks6 decks
15%synergy
High Synergy Cards
Viscera Seer
83%inclusion5 decks6 decks
62%synergy
Blood Artist
83%inclusion5 decks6 decks
52%synergy
Pitiless Plunderer
67%inclusion4 decks6 decks
51%synergy
Zulaport Cutthroat
67%inclusion4 decks6 decks
44%synergy
Game Changers
Vampiric Tutor
33%inclusion2 decks6 decks
22%synergy
Smothering Tithe
33%inclusion2 decks6 decks
11%synergy
Farewell
17%inclusion1 decks6 decks
4%synergy
Demonic Tutor
17%inclusion1 decks6 decks
1%synergy
Creatures
Harvester of Souls
50%inclusion3 decks6 decks
47%synergy
Woe Strider
50%inclusion3 decks6 decks
46%synergy
Accursed Marauder
50%inclusion3 decks6 decks
42%synergy
Morbid Opportunist
50%inclusion3 decks6 decks
39%synergy
Teysa Karlov
50%inclusion3 decks6 decks
34%synergy
Bartolomé del Presidio
50%inclusion3 decks6 decks
33%synergy
Cruel Celebrant
50%inclusion3 decks6 decks
24%synergy
Elas il-Kor, Sadistic Pilgrim
50%inclusion3 decks6 decks
15%synergy
Epochrasite
33%inclusion2 decks6 decks
33%synergy
Workhorse
33%inclusion2 decks6 decks
33%synergy
Clockwork Beetle
33%inclusion2 decks6 decks
33%synergy
Devouring Swarm
33%inclusion2 decks6 decks
33%synergy
Corpse Augur
33%inclusion2 decks6 decks
33%synergy
Rayblade Trooper
33%inclusion2 decks6 decks
32%synergy
Susurian Voidborn
33%inclusion2 decks6 decks
31%synergy
Zack Fair
33%inclusion2 decks6 decks
29%synergy
Burnished Hart
33%inclusion2 decks6 decks
29%synergy
Vengeful Bloodwitch
33%inclusion2 decks6 decks
28%synergy
Pawn of Ulamog
33%inclusion2 decks6 decks
26%synergy
Syr Konrad, the Grim
33%inclusion2 decks6 decks
25%synergy
Carrion Feeder
33%inclusion2 decks6 decks
24%synergy
Warren Soultrader
33%inclusion2 decks6 decks
24%synergy
Grim Haruspex
33%inclusion2 decks6 decks
24%synergy
Yahenni, Undying Partisan
33%inclusion2 decks6 decks
23%synergy
Enduring Tenacity
33%inclusion2 decks6 decks
21%synergy
Braids, Arisen Nightmare
33%inclusion2 decks6 decks
21%synergy
Soul's Attendant
33%inclusion2 decks6 decks
21%synergy
Suture Priest
33%inclusion2 decks6 decks
19%synergy
Soul Warden
33%inclusion2 decks6 decks
15%synergy
Vito, Thorn of the Dusk Rose
33%inclusion2 decks6 decks
11%synergy
Xenosquirrels
17%inclusion1 decks6 decks
17%synergy
Clockwork Hydra
17%inclusion1 decks6 decks
17%synergy
Visionary Augmenter
17%inclusion1 decks6 decks
17%synergy
Phantom Nomad
17%inclusion1 decks6 decks
17%synergy
Sautekh Immortal
17%inclusion1 decks6 decks
17%synergy
Glint-Sleeve Artisan
17%inclusion1 decks6 decks
17%synergy
Festercreep
17%inclusion1 decks6 decks
17%synergy
Sightless Ghoul
17%inclusion1 decks6 decks
17%synergy
Hexavus
17%inclusion1 decks6 decks
17%synergy
Falkenrath Torturer
17%inclusion1 decks6 decks
17%synergy
Cloudbound Moogle
17%inclusion1 decks6 decks
17%synergy
Nurturing Pixie
17%inclusion1 decks6 decks
17%synergy
Ulamog, the Defiler
17%inclusion1 decks6 decks
17%synergy
Selfless Police Captain
17%inclusion1 decks6 decks
16%synergy
Blazing Archon
17%inclusion1 decks6 decks
16%synergy
Barrowin of Clan Undurr
17%inclusion1 decks6 decks
16%synergy
Nantuko Husk
17%inclusion1 decks6 decks
16%synergy
Shinewend
17%inclusion1 decks6 decks
16%synergy
Phyrexian Plaguelord
17%inclusion1 decks6 decks
16%synergy
Arcbound Condor
17%inclusion1 decks6 decks
16%synergy
Instants
Murder
33%inclusion2 decks6 decks
29%synergy
Unbreakable Formation
33%inclusion2 decks6 decks
29%synergy
Utter End
33%inclusion2 decks6 decks
21%synergy
Inkshield
33%inclusion2 decks6 decks
16%synergy
Deadly Dispute
33%inclusion2 decks6 decks
12%synergy
Path to Exile
33%inclusion2 decks6 decks
-16%synergy
Swords to Plowshares
33%inclusion2 decks6 decks
-31%synergy
Fated Retribution
17%inclusion1 decks6 decks
17%synergy
Maximum Overdrive
17%inclusion1 decks6 decks
16%synergy
Break the Spell
17%inclusion1 decks6 decks
16%synergy
Safe Passage
17%inclusion1 decks6 decks
16%synergy
Shred Memory
17%inclusion1 decks6 decks
16%synergy
Blood Pact
17%inclusion1 decks6 decks
16%synergy
Fake Your Own Death
17%inclusion1 decks6 decks
15%synergy
Final Showdown
17%inclusion1 decks6 decks
15%synergy
Clever Concealment
17%inclusion1 decks6 decks
12%synergy
Return to Dust
17%inclusion1 decks6 decks
12%synergy
Sejiri Shelter
17%inclusion1 decks6 decks
12%synergy
Deadly Rollick
17%inclusion1 decks6 decks
5%synergy
Fell the Profane
17%inclusion1 decks6 decks
4%synergy
Village Rites
17%inclusion1 decks6 decks
-6%synergy
Despark
17%inclusion1 decks6 decks
-14%synergy
Anguished Unmaking
17%inclusion1 decks6 decks
-24%synergy
Sorceries
Toxic Deluge
50%inclusion3 decks6 decks
33%synergy
Covetous Elegy
33%inclusion2 decks6 decks
33%synergy
Diabolic Tutor
33%inclusion2 decks6 decks
27%synergy
Feed the Swarm
33%inclusion2 decks6 decks
26%synergy
Read the Bones
33%inclusion2 decks6 decks
23%synergy
Night's Whisper
33%inclusion2 decks6 decks
16%synergy
Demonic Bargain
17%inclusion1 decks6 decks
17%synergy
Dimir Machinations
17%inclusion1 decks6 decks
16%synergy
Painful Lesson
17%inclusion1 decks6 decks
16%synergy
Angelic Purge
17%inclusion1 decks6 decks
16%synergy
Obzedat's Aid
17%inclusion1 decks6 decks
16%synergy
Worthy Cost
17%inclusion1 decks6 decks
16%synergy
Pitiless Carnage
17%inclusion1 decks6 decks
15%synergy
Merciless Eviction
17%inclusion1 decks6 decks
12%synergy
Unearth
17%inclusion1 decks6 decks
11%synergy
Blasphemous Edict
17%inclusion1 decks6 decks
11%synergy
Debt to the Deathless
17%inclusion1 decks6 decks
7%synergy
Exsanguinate
17%inclusion1 decks6 decks
4%synergy
Sign in Blood
17%inclusion1 decks6 decks
-1%synergy
Damn
17%inclusion1 decks6 decks
-16%synergy
Utility Artifacts
Ashnod's Altar
50%inclusion3 decks6 decks
31%synergy
Lightning Greaves
50%inclusion3 decks6 decks
30%synergy
Skullclamp
50%inclusion3 decks6 decks
23%synergy
Vat of Rebirth
33%inclusion2 decks6 decks
30%synergy
Jet Medallion
33%inclusion2 decks6 decks
28%synergy
Pearl Medallion
33%inclusion2 decks6 decks
27%synergy
Phyrexian Altar
33%inclusion2 decks6 decks
22%synergy
Ent-Draught Basin
17%inclusion1 decks6 decks
17%synergy
Shrine of Loyal Legions
17%inclusion1 decks6 decks
17%synergy
Mace of the Valiant
17%inclusion1 decks6 decks
16%synergy
Transmogrant Altar
17%inclusion1 decks6 decks
16%synergy
Cauldron of Souls
17%inclusion1 decks6 decks
16%synergy
Phyrexian Processor
17%inclusion1 decks6 decks
16%synergy
Chalice of Life
17%inclusion1 decks6 decks
16%synergy
Blasting Station
17%inclusion1 decks6 decks
15%synergy
Norn's Annex
17%inclusion1 decks6 decks
14%synergy
Altar of Dementia
17%inclusion1 decks6 decks
12%synergy
Idol of Oblivion
17%inclusion1 decks6 decks
12%synergy
Enchantments
Solemnity
50%inclusion3 decks6 decks
47%synergy
Cathars' Crusade
50%inclusion3 decks6 decks
45%synergy
Phyrexian Arena
50%inclusion3 decks6 decks
20%synergy
Sothera, the Supervoid
33%inclusion2 decks6 decks
31%synergy
Vampiric Rites
33%inclusion2 decks6 decks
26%synergy
Castle
17%inclusion1 decks6 decks
17%synergy
Nest of Scarabs
17%inclusion1 decks6 decks
17%synergy
Sadistic Glee
17%inclusion1 decks6 decks
16%synergy
Shadows of the Past
17%inclusion1 decks6 decks
16%synergy
Dark Privilege
17%inclusion1 decks6 decks
16%synergy
Leyline of Sanctity
17%inclusion1 decks6 decks
16%synergy
Paladin Class
17%inclusion1 decks6 decks
16%synergy
Martyr's Cause
17%inclusion1 decks6 decks
16%synergy
Virtue of Loyalty
17%inclusion1 decks6 decks
15%synergy
Fanatical Devotion
17%inclusion1 decks6 decks
15%synergy
Ajani's Welcome
17%inclusion1 decks6 decks
14%synergy
Promise of Aclazotz
17%inclusion1 decks6 decks
14%synergy
Monologue Tax
17%inclusion1 decks6 decks
13%synergy
Airbender Ascension
17%inclusion1 decks6 decks
13%synergy
Call of the Ring
17%inclusion1 decks6 decks
13%synergy
Life Insurance
17%inclusion1 decks6 decks
13%synergy
Funeral Room // Awakening Hall
17%inclusion1 decks6 decks
12%synergy
Timely Ward
17%inclusion1 decks6 decks
12%synergy
March of the Canonized
17%inclusion1 decks6 decks
10%synergy
Black Market
17%inclusion1 decks6 decks
10%synergy
Glasswing Grace
17%inclusion1 decks6 decks
9%synergy
Darksteel Mutation
17%inclusion1 decks6 decks
8%synergy
Animate Dead
17%inclusion1 decks6 decks
8%synergy
Grave Pact
17%inclusion1 decks6 decks
8%synergy
Land Tax
17%inclusion1 decks6 decks
7%synergy
The Meathook Massacre
17%inclusion1 decks6 decks
6%synergy
Exquisite Blood
17%inclusion1 decks6 decks
0%synergy
Bastion of Remembrance
17%inclusion1 decks6 decks
-1%synergy
Sanguine Bond
17%inclusion1 decks6 decks
-4%synergy
Black Market Connections
17%inclusion1 decks6 decks
-5%synergy
Planeswalkers
Lolth, Spider Queen
33%inclusion2 decks6 decks
32%synergy
Kaya the Inexorable
17%inclusion1 decks6 decks
14%synergy
Sorin, Vengeful Bloodlord
17%inclusion1 decks6 decks
12%synergy
Elspeth, Storm Slayer
17%inclusion1 decks6 decks
12%synergy
Sorin, Lord of Innistrad
17%inclusion1 decks6 decks
11%synergy
Utility Lands
Temple of the False God
50%inclusion3 decks6 decks
42%synergy
Restless Fortress
33%inclusion2 decks6 decks
26%synergy
Minas Tirith
33%inclusion2 decks6 decks
26%synergy
Cabal Coffers
33%inclusion2 decks6 decks
22%synergy
Urborg, Tomb of Yawgmoth
33%inclusion2 decks6 decks
12%synergy
Vault of the Archangel
33%inclusion2 decks6 decks
0%synergy
Bojuka Bog
33%inclusion2 decks6 decks
-10%synergy
Orzhova, the Church of Deals
17%inclusion1 decks6 decks
16%synergy
Crypt of Agadeem
17%inclusion1 decks6 decks
16%synergy
Thespian's Stage
17%inclusion1 decks6 decks
16%synergy
Minas Morgul, Dark Fortress
17%inclusion1 decks6 decks
16%synergy
Kabira Crossroads
17%inclusion1 decks6 decks
15%synergy
Pit of Offerings
17%inclusion1 decks6 decks
15%synergy
Dalkovan Encampment
17%inclusion1 decks6 decks
14%synergy
Barren Moor
17%inclusion1 decks6 decks
14%synergy
Command Beacon
17%inclusion1 decks6 decks
13%synergy
Shambling Vent
17%inclusion1 decks6 decks
11%synergy
Windbrisk Heights
17%inclusion1 decks6 decks
11%synergy
High Market
17%inclusion1 decks6 decks
5%synergy
Takenuma, Abandoned Mire
17%inclusion1 decks6 decks
5%synergy
Phyrexian Tower
17%inclusion1 decks6 decks
0%synergy
Rogue's Passage
17%inclusion1 decks6 decks
-3%synergy
Reliquary Tower
17%inclusion1 decks6 decks
-6%synergy
Mana Artifacts
Sol Ring
100%inclusion6 decks6 decks
16%synergy
Arcane Signet
83%inclusion5 decks6 decks
3%synergy
Commander's Sphere
67%inclusion4 decks6 decks
51%synergy
Orzhov Signet
67%inclusion4 decks6 decks
10%synergy
Fellwar Stone
50%inclusion3 decks6 decks
29%synergy
Talisman of Hierarchy
50%inclusion3 decks6 decks
-3%synergy
Pristine Talisman
33%inclusion2 decks6 decks
27%synergy
The Irencrag
17%inclusion1 decks6 decks
16%synergy
Bender's Waterskin
17%inclusion1 decks6 decks
16%synergy
Crowded Crypt
17%inclusion1 decks6 decks
15%synergy
Orzhov Cluestone
17%inclusion1 decks6 decks
15%synergy
Thought Vessel
17%inclusion1 decks6 decks
3%synergy
Lands
Command Tower
100%inclusion6 decks6 decks
14%synergy
Caves of Koilos
83%inclusion5 decks6 decks
26%synergy
Isolated Chapel
83%inclusion5 decks6 decks
18%synergy
Godless Shrine
67%inclusion4 decks6 decks
16%synergy
Shattered Sanctum
50%inclusion3 decks6 decks
15%synergy
Shineshadow Snarl
50%inclusion3 decks6 decks
9%synergy
Orzhov Basilica
50%inclusion3 decks6 decks
9%synergy
Tainted Field
50%inclusion3 decks6 decks
-2%synergy
Concealed Courtyard
33%inclusion2 decks6 decks
12%synergy
Path of Ancestry
33%inclusion2 decks6 decks
10%synergy
Exotic Orchard
33%inclusion2 decks6 decks
9%synergy
Fetid Heath
33%inclusion2 decks6 decks
-6%synergy
Vault of Champions
33%inclusion2 decks6 decks
-7%synergy
Temple of Silence
33%inclusion2 decks6 decks
-7%synergy
Insomnia, Crown City
17%inclusion1 decks6 decks
14%synergy
Thriving Heath
17%inclusion1 decks6 decks
14%synergy
Thriving Moor
17%inclusion1 decks6 decks
14%synergy
Ash Barrens
17%inclusion1 decks6 decks
13%synergy
Forsaken Sanctuary
17%inclusion1 decks6 decks
13%synergy
Prismatic Vista
17%inclusion1 decks6 decks
11%synergy
Snowfield Sinkhole
17%inclusion1 decks6 decks
9%synergy
Orzhov Guildgate
17%inclusion1 decks6 decks
8%synergy
Silent Clearing
17%inclusion1 decks6 decks
1%synergy
Desolate Mire
17%inclusion1 decks6 decks
1%synergy
Myriad Landscape
17%inclusion1 decks6 decks
-3%synergy
Evolving Wilds
17%inclusion1 decks6 decks
-4%synergy
Bleachbone Verge
17%inclusion1 decks6 decks
-6%synergy
Shadowy Backstreet
17%inclusion1 decks6 decks
-6%synergy
Scoured Barrens
17%inclusion1 decks6 decks
-7%synergy
Brightclimb Pathway
17%inclusion1 decks6 decks
-10%synergy
Marsh Flats
17%inclusion1 decks6 decks
-13%synergy