Eirdu, Carrier of Dawn
Mikaeus, the Unhallowed
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).
You control another nontoken non-Human creature with base toughness 2 or greater.

   Steps

How does this combo work?
1
Activate Yahenni by sacrificing another nontoken non-Human creature
2
When the creature dies, its undying ability triggers, returning the creature from your graveyard to the battlefield with a +1/+1 counter on it.
3
Activate Yahenni by sacrificing the creature with a +1/+1 counter on it.
4
When the creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
5
Resolve the Yahenni abilities from step 1 and 3.
6
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Eirdu, Carrier of Dawn
5.8%inclusion51 decks880 decks
Hei Bai, Spirit of Balance
0.4%inclusion1 decks263 decks
Top Commanders
Ratadrabik of Urborg
0.8%inclusion10 decks1.22K decks
Go-Shintai of Life's Origin
0.0%inclusion2 decks5.65K decks
Teysa Karlov
0.0%inclusion1 decks4.08K decks
Nethroi, Apex of Death
0.1%inclusion1 decks1.47K decks
Nevinyrral, Urborg Tyrant
0.3%inclusion1 decks332 decks
Elas il-Kor, Sadistic Pilgrim
0.1%inclusion1 decks1.63K decks
New Cards
Bitterbloom Bearer
22%inclusion15 decks68 decks
22%synergy
Emptiness
21%inclusion14 decks68 decks
20%synergy
Curious Colossus
20%inclusion1 decks5 decks
20%synergy
Rhys, the Evermore
20%inclusion1 decks5 decks
20%synergy
Morningtide's Light
7.4%inclusion5 decks68 decks
7%synergy
High Synergy Cards
Elas il-Kor, Sadistic Pilgrim
84%inclusion57 decks68 decks
74%synergy
Phyrexian Altar
71%inclusion48 decks68 decks
67%synergy
Ashnod's Altar
74%inclusion50 decks68 decks
67%synergy
Viscera Seer
72%inclusion49 decks68 decks
64%synergy
Luminous Broodmoth
63%inclusion43 decks68 decks
61%synergy
Zulaport Cutthroat
63%inclusion43 decks68 decks
55%synergy
Blood Artist
65%inclusion44 decks68 decks
53%synergy
Warren Soultrader
57%inclusion39 decks68 decks
52%synergy
Bartolomé del Presidio
56%inclusion38 decks68 decks
51%synergy
Cruel Celebrant
59%inclusion40 decks68 decks
51%synergy
Top Cards
Swords to Plowshares
68%inclusion46 decks68 decks
6%synergy
Dark Ritual
59%inclusion40 decks68 decks
34%synergy
Pitiless Plunderer
57%inclusion39 decks68 decks
49%synergy
Yawgmoth, Thran Physician
54%inclusion37 decks68 decks
51%synergy
Path to Exile
54%inclusion37 decks68 decks
7%synergy
Carrion Feeder
53%inclusion36 decks68 decks
49%synergy
Bastion of Remembrance
53%inclusion36 decks68 decks
46%synergy
Solemnity
51%inclusion35 decks68 decks
51%synergy
Skullclamp
51%inclusion35 decks68 decks
40%synergy
Anguished Unmaking
51%inclusion35 decks68 decks
27%synergy
Game Changers
Teferi's Protection
31%inclusion21 decks68 decks
14%synergy
Demonic Tutor
31%inclusion21 decks68 decks
11%synergy
Smothering Tithe
26%inclusion18 decks68 decks
5%synergy
Vampiric Tutor
22%inclusion15 decks68 decks
7%synergy
Enlightened Tutor
21%inclusion14 decks68 decks
5%synergy
Necropotence
19%inclusion13 decks68 decks
14%synergy
Bolas's Citadel
19%inclusion13 decks68 decks
11%synergy
The One Ring
16%inclusion11 decks68 decks
8%synergy
Ancient Tomb
15%inclusion10 decks68 decks
5%synergy
Imperial Seal
10%inclusion7 decks68 decks
5%synergy
Creatures
Melira, Sylvok Outcast
100%inclusion3 decks3 decks
100%synergy
Grim Haruspex
46%inclusion31 decks68 decks
43%synergy
Geralf's Messenger
40%inclusion27 decks68 decks
39%synergy
Sephiroth, Fabled SOLDIER
40%inclusion27 decks68 decks
37%synergy
Umbral Collar Zealot
40%inclusion27 decks68 decks
37%synergy
Teysa Karlov
40%inclusion27 decks68 decks
35%synergy
Marionette Apprentice
38%inclusion26 decks68 decks
33%synergy
Corpse Knight
38%inclusion26 decks68 decks
33%synergy
Elenda, the Dusk Rose
35%inclusion24 decks68 decks
30%synergy
Syr Konrad, the Grim
35%inclusion24 decks68 decks
27%synergy
Solemn Simulacrum
35%inclusion24 decks68 decks
22%synergy
Woe Strider
34%inclusion23 decks68 decks
32%synergy
Braids, Arisen Nightmare
32%inclusion22 decks68 decks
25%synergy
Witch Enchanter
32%inclusion22 decks68 decks
25%synergy
Junji, the Midnight Sky
31%inclusion21 decks68 decks
28%synergy
Gray Merchant of Asphodel
31%inclusion21 decks68 decks
22%synergy
Scholar of New Horizons
29%inclusion20 decks68 decks
28%synergy
Lotho, Corrupt Shirriff
29%inclusion20 decks68 decks
16%synergy
Pawn of Ulamog
28%inclusion19 decks68 decks
26%synergy
Loran of the Third Path
28%inclusion19 decks68 decks
21%synergy
Esper Sentinel
28%inclusion19 decks68 decks
9%synergy
Sun Titan
26%inclusion18 decks68 decks
18%synergy
Vizier of Remedies
25%inclusion17 decks68 decks
25%synergy
Drivnod, Carnage Dominus
25%inclusion17 decks68 decks
23%synergy
Midnight Reaper
25%inclusion17 decks68 decks
22%synergy
Accursed Marauder
24%inclusion16 decks68 decks
18%synergy
Butcher Ghoul
22%inclusion15 decks68 decks
22%synergy
Vengeful Bloodwitch
22%inclusion15 decks68 decks
20%synergy
Morbid Opportunist
22%inclusion15 decks68 decks
15%synergy
Grand Abolisher
22%inclusion15 decks68 decks
13%synergy
Kambal, Profiteering Mayor
21%inclusion14 decks68 decks
15%synergy
Ayara, First of Locthwain
19%inclusion13 decks68 decks
16%synergy
Selfless Spirit
19%inclusion13 decks68 decks
15%synergy
Zack Fair
18%inclusion12 decks68 decks
16%synergy
Gravecrawler
18%inclusion12 decks68 decks
14%synergy
Boromir, Warden of the Tower
18%inclusion12 decks68 decks
14%synergy
Syr Vondam, Sunstar Exemplar
16%inclusion11 decks68 decks
14%synergy
Charismatic Conqueror
16%inclusion11 decks68 decks
13%synergy
Welcoming Vampire
16%inclusion11 decks68 decks
10%synergy
Voice of Victory
16%inclusion11 decks68 decks
10%synergy
Mondrak, Glory Dominus
16%inclusion11 decks68 decks
10%synergy
Gandalf the White
15%inclusion10 decks68 decks
13%synergy
Solitude
15%inclusion10 decks68 decks
13%synergy
Ao, the Dawn Sky
13%inclusion9 decks68 decks
12%synergy
Elesh Norn, Grand Cenobite
13%inclusion9 decks68 decks
9%synergy
Soul Warden
13%inclusion9 decks68 decks
8%synergy
Triskelion
12%inclusion8 decks68 decks
11%synergy
Teysa, Orzhov Scion
12%inclusion8 decks68 decks
10%synergy
Liesa, Forgotten Archangel
12%inclusion8 decks68 decks
8%synergy
Enduring Innocence
12%inclusion8 decks68 decks
8%synergy
Instants
Village Rites
37%inclusion25 decks68 decks
27%synergy
Flare of Fortitude
35%inclusion24 decks68 decks
31%synergy
Deadly Dispute
35%inclusion24 decks68 decks
23%synergy
Malakir Rebirth
28%inclusion19 decks68 decks
20%synergy
Generous Gift
28%inclusion19 decks68 decks
5%synergy
Corrupted Conviction
25%inclusion17 decks68 decks
20%synergy
Despark
25%inclusion17 decks68 decks
11%synergy
Fell the Profane
24%inclusion16 decks68 decks
15%synergy
Inkshield
22%inclusion15 decks68 decks
15%synergy
Deadly Rollick
22%inclusion15 decks68 decks
9%synergy
Saw in Half
21%inclusion14 decks68 decks
16%synergy
Nasty End
13%inclusion9 decks68 decks
11%synergy
Clever Concealment
12%inclusion8 decks68 decks
7%synergy
Reprieve
12%inclusion8 decks68 decks
7%synergy
Silence
12%inclusion8 decks68 decks
5%synergy
Imp's Mischief
10%inclusion7 decks68 decks
7%synergy
Culling the Weak
10%inclusion7 decks68 decks
6%synergy
Dawn's Truce
10%inclusion7 decks68 decks
3%synergy
Flawless Maneuver
10%inclusion7 decks68 decks
0%synergy
Stroke of Midnight
10%inclusion7 decks68 decks
0%synergy
Plumb the Forbidden
8.8%inclusion6 decks68 decks
6%synergy
Fracture
8.8%inclusion6 decks68 decks
3%synergy
Cauldron Haze
7.4%inclusion5 decks68 decks
7%synergy
Flare of Malice
5.9%inclusion4 decks68 decks
3%synergy
Sejiri Shelter
5.9%inclusion4 decks68 decks
3%synergy
Tragic Slip
5.9%inclusion4 decks68 decks
2%synergy
Entomb
5.9%inclusion4 decks68 decks
-1%synergy
Mortify
5.9%inclusion4 decks68 decks
-5%synergy
Sorceries
Damn
38%inclusion26 decks68 decks
23%synergy
Reanimate
35%inclusion24 decks68 decks
16%synergy
Victimize
34%inclusion23 decks68 decks
21%synergy
Toxic Deluge
24%inclusion16 decks68 decks
5%synergy
Diabolic Intent
22%inclusion15 decks68 decks
14%synergy
Austere Command
21%inclusion14 decks68 decks
8%synergy
Agadeem's Awakening
19%inclusion13 decks68 decks
16%synergy
Farewell
19%inclusion13 decks68 decks
6%synergy
Night's Whisper
18%inclusion12 decks68 decks
9%synergy
Living Death
16%inclusion11 decks68 decks
11%synergy
Sign in Blood
10%inclusion7 decks68 decks
1%synergy
Urza's Ruinous Blast
8.8%inclusion6 decks68 decks
6%synergy
Insatiable Avarice
8.8%inclusion6 decks68 decks
6%synergy
Wrath of God
8.8%inclusion6 decks68 decks
4%synergy
Sevinne's Reclamation
8.8%inclusion6 decks68 decks
2%synergy
Rite of Oblivion
7.4%inclusion5 decks68 decks
5%synergy
Primevals' Glorious Rebirth
7.4%inclusion5 decks68 decks
4%synergy
Diabolic Tutor
7.4%inclusion5 decks68 decks
2%synergy
Blasphemous Edict
7.4%inclusion5 decks68 decks
1%synergy
Damnation
7.4%inclusion5 decks68 decks
1%synergy
Feed the Swarm
7.4%inclusion5 decks68 decks
-9%synergy
Torment of Hailfire
5.9%inclusion4 decks68 decks
2%synergy
Dread Return
5.9%inclusion4 decks68 decks
1%synergy
Read the Bones
5.9%inclusion4 decks68 decks
0%synergy
Utility Artifacts
The Great Henge
100%inclusion3 decks3 decks
91%synergy
Altar of Dementia
49%inclusion33 decks68 decks
46%synergy
Blasting Station
40%inclusion27 decks68 decks
39%synergy
Lightning Greaves
32%inclusion22 decks68 decks
7%synergy
Swiftfoot Boots
28%inclusion19 decks68 decks
1%synergy
Oketra's Monument
18%inclusion12 decks68 decks
16%synergy
Jet Medallion
13%inclusion9 decks68 decks
10%synergy
Altar of the Brood
10%inclusion7 decks68 decks
9%synergy
Pearl Medallion
8.8%inclusion6 decks68 decks
6%synergy
Spawning Pit
7.4%inclusion5 decks68 decks
7%synergy
Cauldron of Souls
7.4%inclusion5 decks68 decks
7%synergy
Archaeomancer's Map
7.4%inclusion5 decks68 decks
4%synergy
Bontu's Monument
5.9%inclusion4 decks68 decks
4%synergy
Mithril Coat
5.9%inclusion4 decks68 decks
1%synergy
Enchantments
Cathars' Crusade
47%inclusion32 decks68 decks
42%synergy
Grave Pact
37%inclusion25 decks68 decks
32%synergy
The Meathook Massacre
37%inclusion25 decks68 decks
32%synergy
Thran Vigil
35%inclusion24 decks68 decks
35%synergy
Phyrexian Arena
34%inclusion23 decks68 decks
18%synergy
Black Market Connections
32%inclusion22 decks68 decks
20%synergy
Bitterblossom
24%inclusion16 decks68 decks
19%synergy
Land Tax
19%inclusion13 decks68 decks
13%synergy
Dictate of Erebos
18%inclusion12 decks68 decks
15%synergy
Funeral Room // Awakening Hall
15%inclusion10 decks68 decks
13%synergy
Fanatical Devotion
10%inclusion7 decks68 decks
10%synergy
Sothera, the Supervoid
10%inclusion7 decks68 decks
9%synergy
Black Market
8.8%inclusion6 decks68 decks
5%synergy
Anointed Procession
8.8%inclusion6 decks68 decks
1%synergy
Animate Dead
8.8%inclusion6 decks68 decks
0%synergy
Phyrexian Unlife
7.4%inclusion5 decks68 decks
7%synergy
Flowering of the White Tree
7.4%inclusion5 decks68 decks
3%synergy
Martyr's Cause
5.9%inclusion4 decks68 decks
5%synergy
Phyrexian Reclamation
5.9%inclusion4 decks68 decks
3%synergy
Trouble in Pairs
5.9%inclusion4 decks68 decks
1%synergy
Planeswalkers
Liliana, Dreadhorde General
13%inclusion9 decks68 decks
9%synergy
Elspeth, Storm Slayer
10%inclusion7 decks68 decks
6%synergy
Utility Lands
Phyrexian Tower
53%inclusion36 decks68 decks
44%synergy
Urborg, Tomb of Yawgmoth
51%inclusion35 decks68 decks
42%synergy
Bojuka Bog
38%inclusion26 decks68 decks
8%synergy
High Market
31%inclusion21 decks68 decks
28%synergy
Cabal Coffers
29%inclusion20 decks68 decks
20%synergy
Susur Secundi, Void Altar
24%inclusion16 decks68 decks
21%synergy
Reliquary Tower
22%inclusion15 decks68 decks
-8%synergy
Eiganjo, Seat of the Empire
19%inclusion13 decks68 decks
12%synergy
Midgar, City of Mako
18%inclusion12 decks68 decks
14%synergy
Takenuma, Abandoned Mire
18%inclusion12 decks68 decks
9%synergy
Vault of the Archangel
15%inclusion10 decks68 decks
3%synergy
Westvale Abbey
12%inclusion8 decks68 decks
10%synergy
Command Beacon
12%inclusion8 decks68 decks
7%synergy
Nykthos, Shrine to Nyx
12%inclusion8 decks68 decks
6%synergy
Shizo, Death's Storehouse
10%inclusion7 decks68 decks
6%synergy
Castle Locthwain
8.8%inclusion6 decks68 decks
5%synergy
Monumental Henge
7.4%inclusion5 decks68 decks
5%synergy
Minas Tirith
7.4%inclusion5 decks68 decks
1%synergy
Urza's Saga
7.4%inclusion5 decks68 decks
0%synergy
Spymaster's Vault
5.9%inclusion4 decks68 decks
3%synergy
Mortuary Mire
5.9%inclusion4 decks68 decks
2%synergy
Mana Artifacts
Sol Ring
96%inclusion65 decks68 decks
12%synergy
Arcane Signet
84%inclusion57 decks68 decks
12%synergy
Talisman of Hierarchy
47%inclusion32 decks68 decks
21%synergy
Orzhov Signet
40%inclusion27 decks68 decks
16%synergy
The Soul Stone
24%inclusion16 decks68 decks
19%synergy
Thought Vessel
21%inclusion14 decks68 decks
3%synergy
Fellwar Stone
15%inclusion10 decks68 decks
-6%synergy
Relic of Legends
10%inclusion7 decks68 decks
8%synergy
Mind Stone
8.8%inclusion6 decks68 decks
-6%synergy
Mana Vault
7.4%inclusion5 decks68 decks
1%synergy
Lotus Petal
7.4%inclusion5 decks68 decks
0%synergy
Chrome Mox
5.9%inclusion4 decks68 decks
0%synergy
Lands
Raffine's Tower
100%inclusion3 decks3 decks
75%synergy
Sandsteppe Citadel
100%inclusion3 decks3 decks
74%synergy
Hallowed Fountain
100%inclusion3 decks3 decks
60%synergy
Watery Grave
100%inclusion3 decks3 decks
59%synergy
Command Tower
88%inclusion60 decks68 decks
14%synergy
Godless Shrine
79%inclusion54 decks68 decks
38%synergy
Isolated Chapel
76%inclusion52 decks68 decks
43%synergy
Vault of Champions
60%inclusion41 decks68 decks
36%synergy
Fetid Heath
59%inclusion40 decks68 decks
46%synergy
Caves of Koilos
59%inclusion40 decks68 decks
29%synergy
Shattered Sanctum
54%inclusion37 decks68 decks
39%synergy
Marsh Flats
53%inclusion36 decks68 decks
42%synergy
Bleachbone Verge
50%inclusion34 decks68 decks
42%synergy
Tainted Field
46%inclusion31 decks68 decks
32%synergy
Shadowy Backstreet
38%inclusion26 decks68 decks
28%synergy
Shineshadow Snarl
32%inclusion22 decks68 decks
20%synergy
Brightclimb Pathway
31%inclusion21 decks68 decks
22%synergy
Concealed Courtyard
26%inclusion18 decks68 decks
21%synergy
Fabled Passage
24%inclusion16 decks68 decks
14%synergy
Temple of Silence
24%inclusion16 decks68 decks
6%synergy
Exotic Orchard
24%inclusion16 decks68 decks
-13%synergy
Desolate Mire
22%inclusion15 decks68 decks
16%synergy
Orzhov Basilica
22%inclusion15 decks68 decks
7%synergy
Silent Clearing
19%inclusion13 decks68 decks
15%synergy
Prismatic Vista
16%inclusion11 decks68 decks
11%synergy
Scrubland
16%inclusion11 decks68 decks
3%synergy
Polluted Delta
13%inclusion9 decks68 decks
1%synergy
Reflecting Pool
12%inclusion8 decks68 decks
7%synergy
Arid Mesa
12%inclusion8 decks68 decks
2%synergy
Flooded Strand
12%inclusion8 decks68 decks
0%synergy
Lazotep Quarry
10%inclusion7 decks68 decks
9%synergy
Verdant Catacombs
10%inclusion7 decks68 decks
-1%synergy
Bloodstained Mire
10%inclusion7 decks68 decks
-1%synergy
Windswept Heath
8.8%inclusion6 decks68 decks
-2%synergy
Evolving Wilds
7.4%inclusion5 decks68 decks
-13%synergy
Plaza of Heroes
5.9%inclusion4 decks68 decks
3%synergy
Terramorphic Expanse
5.9%inclusion4 decks68 decks
-9%synergy