Eirdu, Carrier of Dawn
Geralf's Messenger
Yahenni, Undying Partisan

   Prerequisites

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

   Steps

How does this combo work?
1
Activate Yahenni by sacrificing Geralf's Messenger
2
When Geralf's Messenger dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3
When Geralf's Messenger enters, it triggers, causing an opponent to lose 2 life.
4
Activate Yahenni by sacrificing Geralf's Messenger
5
When Geralf's Messenger dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
6
When Geralf's Messenger enters, it triggers, causing an opponent to lose 2 life.
7
Resolve both Yahenni abilities from step 1 and 4.
8
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite death triggers
Infinite lifeloss
Infinite sacrifice triggers
Teysa Karlov
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Celes, Rune Knight
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Nethroi, Apex of Death
0.0%inclusion1 decks3.28K decks
Oloro, Ageless Ascetic
0.0%inclusion1 decks9.78K decks
Lotho, Corrupt Shirriff
0.1%inclusion1 decks833 decks
Tayam, Luminous Enigma
0.0%inclusion1 decks4K decks
New Cards
Emeritus of Woe
12%inclusion6 decks50 decks
Erode
10%inclusion6 decks58 decks
Scheming Silvertongue
8.0%inclusion4 decks50 decks
Grave Researcher
7.9%inclusion5 decks63 decks
Silverquill, the Disputant
6.3%inclusion4 decks63 decks
High Synergy Cards
Cruel Celebrant
88%inclusion248 decks281 decks
Viscera Seer
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Elas il-Kor, Sadistic Pilgrim
88%inclusion248 decks281 decks
Bastion of Remembrance
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Zulaport Cutthroat
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Umbral Collar Zealot
76%inclusion213 decks281 decks
Blood Artist
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Vizier of Remedies
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Butcher Ghoul
68%inclusion191 decks281 decks
Bartolomé del Presidio
72%inclusion201 decks281 decks
Top Cards
Swords to Plowshares
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Pitiless Plunderer
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Carrion Feeder
69%inclusion195 decks281 decks
Marionette Apprentice
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Luminous Broodmoth
66%inclusion185 decks281 decks
Deadly Dispute
65%inclusion183 decks281 decks
Path to Exile
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Woe Strider
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Corpse Knight
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Ashnod's Altar
59%inclusion165 decks281 decks
Game Changers
Demonic Tutor
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Smothering Tithe
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Teferi's Protection
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Enlightened Tutor
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Bolas's Citadel
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Vampiric Tutor
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Ancient Tomb
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Necropotence
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Farewell
5.7%inclusion16 decks281 decks
The One Ring
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Creatures
Grim Haruspex
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Morbid Opportunist
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Solemn Simulacrum
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Zack Fair
49%inclusion137 decks281 decks
Scholar of New Horizons
48%inclusion136 decks281 decks
Gray Merchant of Asphodel
47%inclusion131 decks281 decks
Mikaeus, the Unhallowed
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Vengeful Bloodwitch
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Elenda, the Dusk Rose
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Syr Konrad, the Grim
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Midnight Reaper
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Warren Soultrader
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Junji, the Midnight Sky
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Braids, Arisen Nightmare
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Selfless Spirit
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Sun Titan
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Accursed Marauder
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Teysa Karlov
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Pawn of Ulamog
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Welcoming Vampire
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The Duke, Rebel Sentry
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Rhys, the Evermore
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Sephiroth, Fabled SOLDIER
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Yawgmoth, Thran Physician
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Emptiness
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Triskelion
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Syr Vondam, Sunstar Exemplar
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Spirited Companion
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Teysa, Orzhov Scion
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Witch Enchanter
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Enduring Innocence
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Lotho, Corrupt Shirriff
18%inclusion51 decks281 decks
Esper Sentinel
18%inclusion51 decks281 decks
Shriekmaw
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Bitterbloom Bearer
15%inclusion43 decks281 decks
Agent Venom
15%inclusion42 decks281 decks
Priest of Forgotten Gods
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Twilight Diviner
14%inclusion34 decks243 decks
Grand Abolisher
14%inclusion38 decks281 decks
Voice of Victory
13%inclusion37 decks281 decks
Wall of Omens
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Charismatic Conqueror
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Loran of the Third Path
12%inclusion34 decks281 decks
Bloodcrazed Paladin
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Karmic Guide
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Boromir, Warden of the Tower
11%inclusion30 decks281 decks
Knight of the White Orchid
11%inclusion30 decks281 decks
Adeline, Resplendent Cathar
10%inclusion29 decks281 decks
Sightless Ghoul
10%inclusion28 decks281 decks
Evernight Shade
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Instants
Village Rites
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Dark Ritual
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Anguished Unmaking
44%inclusion124 decks281 decks
Corrupted Conviction
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Despark
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Plumb the Forbidden
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Generous Gift
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Flare of Fortitude
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Duty Beyond Death
21%inclusion58 decks281 decks
Inkshield
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Stroke of Midnight
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Mortify
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Fracture
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Deadly Rollick
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Malakir Rebirth
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Fell the Profane
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Culling the Weak
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Reprieve
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Undying Evil
7.5%inclusion21 decks281 decks
Saw in Half
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Flawless Maneuver
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Silence
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Imp's Mischief
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Dawn's Truce
6.4%inclusion18 decks281 decks
Flare of Malice
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Clever Concealment
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Sorceries
Victimize
47%inclusion132 decks281 decks
Damn
45%inclusion126 decks281 decks
Austere Command
32%inclusion90 decks281 decks
Night's Whisper
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Reanimate
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Rite of Oblivion
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Toxic Deluge
20%inclusion56 decks281 decks
Diabolic Intent
20%inclusion55 decks281 decks
Sign in Blood
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Blasphemous Edict
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Diabolic Tutor
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Dread Return
13%inclusion36 decks281 decks
Sevinne's Reclamation
10%inclusion29 decks281 decks
Living Death
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Feed the Swarm
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Vindicate
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Wrath of God
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Morningtide's Light
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Moment of Reckoning
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Read the Bones
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Utility Artifacts
Skullclamp
53%inclusion149 decks281 decks
Phyrexian Altar
37%inclusion103 decks281 decks
Lightning Greaves
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Altar of Dementia
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Swiftfoot Boots
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Blasting Station
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Oketra's Monument
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Wayfarer's Bauble
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Spawning Pit
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Jet Medallion
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Enchantments
Cathars' Crusade
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Thran Vigil
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Solemnity
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Phyrexian Arena
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The Meathook Massacre
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Barrensteppe Siege
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Grave Pact
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Black Market Connections
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Vampiric Rites
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Dictate of Erebos
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Fanatical Devotion
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Sothera, the Supervoid
11%inclusion30 decks281 decks
Bitterblossom
10%inclusion29 decks281 decks
Martyr's Cause
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Land Tax
9.3%inclusion26 decks281 decks
Funeral Room // Awakening Hall
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Animate Dead
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Grave Venerations
6.9%inclusion17 decks247 decks
Felidar Retreat
6.4%inclusion18 decks281 decks
Planeswalkers
Liliana, Dreadhorde General
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Utility Lands
Bojuka Bog
46%inclusion128 decks281 decks
High Market
32%inclusion91 decks281 decks
Phyrexian Tower
28%inclusion78 decks281 decks
Reliquary Tower
24%inclusion68 decks281 decks
Vault of the Archangel
23%inclusion64 decks281 decks
Urborg, Tomb of Yawgmoth
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Abandoned Air Temple
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Susur Secundi, Void Altar
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Nesting Grounds
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Midgar, City of Mako
13%inclusion36 decks281 decks
Westvale Abbey
12%inclusion33 decks281 decks
Cabal Coffers
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Takenuma, Abandoned Mire
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Castle Locthwain
6.4%inclusion18 decks281 decks
Eiganjo, Seat of the Empire
6.0%inclusion17 decks281 decks
Spymaster's Vault
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Command Beacon
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Mana Artifacts
Sol Ring
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Arcane Signet
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Talisman of Hierarchy
64%inclusion179 decks281 decks
Orzhov Signet
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Fellwar Stone
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Mind Stone
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Thought Vessel
23%inclusion65 decks281 decks
Commander's Sphere
9.3%inclusion26 decks281 decks
The Soul Stone
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Crowded Crypt
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Lands
Command Tower
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Isolated Chapel
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Caves of Koilos
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Tainted Field
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Fetid Heath
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Godless Shrine
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Shineshadow Snarl
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Shattered Sanctum
49%inclusion138 decks281 decks
Temple of Silence
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Bleachbone Verge
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Vault of Champions
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Exotic Orchard
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Desolate Mire
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Orzhov Basilica
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Brightclimb Pathway
27%inclusion75 decks281 decks
Marsh Flats
26%inclusion74 decks281 decks
Concealed Courtyard
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Shadowy Backstreet
21%inclusion60 decks281 decks
Evolving Wilds
17%inclusion48 decks281 decks
Myriad Landscape
15%inclusion42 decks281 decks
Sunlit Marsh
13%inclusion36 decks281 decks
Scoured Barrens
13%inclusion36 decks281 decks
Terramorphic Expanse
12%inclusion33 decks281 decks
Fabled Passage
11%inclusion31 decks281 decks
Silent Clearing
10%inclusion28 decks281 decks
Scrubland
7.5%inclusion21 decks281 decks
Path of Ancestry
6.8%inclusion19 decks281 decks
Prismatic Vista
5.3%inclusion15 decks281 decks
Polluted Delta
5.3%inclusion15 decks281 decks