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
5.3%inclusion130 decks2.45K decks
Top Commanders
Ratadrabik of Urborg
1.6%inclusion25 decks1.52K decks
Teysa Karlov
0.1%inclusion4 decks5.11K decks
Celes, Rune Knight
0.1%inclusion2 decks3.35K decks
Go-Shintai of Life's Origin
0.0%inclusion2 decks6.62K decks
Hei Bai, Spirit of Balance
0.3%inclusion1 decks318 decks
Nethroi, Apex of Death
0.1%inclusion1 decks1.88K decks
Nevinyrral, Urborg Tyrant
0.2%inclusion1 decks432 decks
Edgar Markov
0.0%inclusion1 decks12.1K decks
Elas il-Kor, Sadistic Pilgrim
0.0%inclusion1 decks2.06K decks
Kethis, the Hidden Hand
0.2%inclusion1 decks535 decks
New Cards
Chaos Spewer
33%inclusion1 decks3 decks
33%synergy
Rhys, the Evermore
31%inclusion35 decks112 decks
31%synergy
Bitterbloom Bearer
21%inclusion36 decks169 decks
20%synergy
Emptiness
21%inclusion35 decks169 decks
20%synergy
Grave Venerations
7.3%inclusion8 decks109 decks
5%synergy
High Synergy Cards
Murderous Redcap
80%inclusion4 decks5 decks
78%synergy
Elas il-Kor, Sadistic Pilgrim
85%inclusion144 decks169 decks
76%synergy
Goblin Bombardment
80%inclusion4 decks5 decks
74%synergy
Ashnod's Altar
72%inclusion122 decks169 decks
66%synergy
Luminous Broodmoth
66%inclusion111 decks169 decks
63%synergy
Viscera Seer
71%inclusion120 decks169 decks
63%synergy
Cruel Celebrant
64%inclusion109 decks169 decks
57%synergy
Blood Artist
68%inclusion115 decks169 decks
57%synergy
Phyrexian Altar
59%inclusion100 decks169 decks
56%synergy
Pitiless Plunderer
63%inclusion107 decks169 decks
55%synergy
Top Cards
Swords to Plowshares
73%inclusion124 decks169 decks
12%synergy
Zulaport Cutthroat
63%inclusion106 decks169 decks
54%synergy
Path to Exile
59%inclusion100 decks169 decks
12%synergy
Bastion of Remembrance
57%inclusion96 decks169 decks
50%synergy
Bartolomé del Presidio
54%inclusion92 decks169 decks
50%synergy
Warren Soultrader
54%inclusion92 decks169 decks
49%synergy
Skullclamp
54%inclusion92 decks169 decks
43%synergy
Carrion Feeder
54%inclusion91 decks169 decks
49%synergy
Anguished Unmaking
53%inclusion89 decks169 decks
28%synergy
Solemnity
51%inclusion87 decks169 decks
51%synergy
Game Changers
Demonic Tutor
25%inclusion43 decks169 decks
6%synergy
Smothering Tithe
25%inclusion43 decks169 decks
4%synergy
Teferi's Protection
23%inclusion39 decks169 decks
6%synergy
Vampiric Tutor
19%inclusion32 decks169 decks
4%synergy
Bolas's Citadel
16%inclusion27 decks169 decks
8%synergy
Enlightened Tutor
16%inclusion27 decks169 decks
1%synergy
Ancient Tomb
13%inclusion22 decks169 decks
4%synergy
Necropotence
11%inclusion18 decks169 decks
5%synergy
The One Ring
8.3%inclusion14 decks169 decks
0%synergy
Orcish Bowmasters
8.3%inclusion14 decks169 decks
0%synergy
Creatures
Melira, Sylvok Outcast
75%inclusion3 decks4 decks
75%synergy
Yawgmoth, Thran Physician
49%inclusion82 decks169 decks
45%synergy
Umbral Collar Zealot
48%inclusion81 decks169 decks
45%synergy
Grim Haruspex
46%inclusion78 decks169 decks
43%synergy
Marionette Apprentice
46%inclusion78 decks169 decks
41%synergy
Vizier of Remedies
45%inclusion76 decks169 decks
45%synergy
Teysa Karlov
45%inclusion76 decks169 decks
40%synergy
Geralf's Messenger
44%inclusion74 decks169 decks
43%synergy
Elenda, the Dusk Rose
43%inclusion73 decks169 decks
38%synergy
Corpse Knight
42%inclusion71 decks169 decks
37%synergy
Junji, the Midnight Sky
41%inclusion69 decks169 decks
38%synergy
Sephiroth, Fabled SOLDIER
40%inclusion67 decks169 decks
37%synergy
Syr Konrad, the Grim
39%inclusion66 decks169 decks
31%synergy
Solemn Simulacrum
38%inclusion64 decks169 decks
25%synergy
Woe Strider
36%inclusion61 decks169 decks
34%synergy
Braids, Arisen Nightmare
34%inclusion58 decks169 decks
27%synergy
Gray Merchant of Asphodel
32%inclusion54 decks169 decks
23%synergy
Lotho, Corrupt Shirriff
32%inclusion54 decks169 decks
19%synergy
Scholar of New Horizons
31%inclusion52 decks169 decks
30%synergy
Morbid Opportunist
31%inclusion52 decks169 decks
23%synergy
Butcher Ghoul
30%inclusion51 decks169 decks
30%synergy
Esper Sentinel
28%inclusion48 decks169 decks
9%synergy
Accursed Marauder
26%inclusion44 decks169 decks
21%synergy
Pawn of Ulamog
25%inclusion43 decks169 decks
24%synergy
Loran of the Third Path
25%inclusion43 decks169 decks
18%synergy
Midnight Reaper
25%inclusion42 decks169 decks
22%synergy
Sun Titan
25%inclusion42 decks169 decks
17%synergy
Vengeful Bloodwitch
22%inclusion38 decks169 decks
21%synergy
Zack Fair
22%inclusion38 decks169 decks
21%synergy
Selfless Spirit
22%inclusion38 decks169 decks
18%synergy
Witch Enchanter
22%inclusion38 decks169 decks
15%synergy
Drivnod, Carnage Dominus
21%inclusion35 decks169 decks
19%synergy
Grand Abolisher
20%inclusion34 decks169 decks
11%synergy
Teysa, Orzhov Scion
20%inclusion33 decks169 decks
18%synergy
Enduring Innocence
19%inclusion32 decks169 decks
15%synergy
Voice of Victory
19%inclusion32 decks169 decks
12%synergy
Charismatic Conqueror
18%inclusion30 decks169 decks
14%synergy
Boromir, Warden of the Tower
18%inclusion30 decks169 decks
14%synergy
Syr Vondam, Sunstar Exemplar
17%inclusion28 decks169 decks
15%synergy
Ayara, First of Locthwain
17%inclusion28 decks169 decks
13%synergy
Karmic Guide
17%inclusion28 decks169 decks
13%synergy
Mondrak, Glory Dominus
17%inclusion28 decks169 decks
10%synergy
Kambal, Profiteering Mayor
15%inclusion26 decks169 decks
10%synergy
Welcoming Vampire
15%inclusion26 decks169 decks
9%synergy
Kokusho, the Evening Star
15%inclusion25 decks169 decks
13%synergy
Ao, the Dawn Sky
14%inclusion24 decks169 decks
13%synergy
Agent Venom
14%inclusion24 decks169 decks
13%synergy
Gandalf the White
14%inclusion23 decks169 decks
12%synergy
Priest of Forgotten Gods
13%inclusion22 decks169 decks
11%synergy
Athreos, God of Passage
13%inclusion22 decks169 decks
11%synergy
Instants
Dark Ritual
50%inclusion84 decks169 decks
25%synergy
Deadly Dispute
41%inclusion70 decks169 decks
29%synergy
Village Rites
41%inclusion69 decks169 decks
32%synergy
Generous Gift
31%inclusion52 decks169 decks
8%synergy
Corrupted Conviction
30%inclusion50 decks169 decks
25%synergy
Despark
29%inclusion49 decks169 decks
15%synergy
Flare of Fortitude
28%inclusion47 decks169 decks
24%synergy
Inkshield
25%inclusion43 decks169 decks
19%synergy
Deadly Rollick
25%inclusion43 decks169 decks
12%synergy
Malakir Rebirth
24%inclusion41 decks169 decks
16%synergy
Saw in Half
20%inclusion34 decks169 decks
16%synergy
Fell the Profane
17%inclusion28 decks169 decks
8%synergy
Fracture
16%inclusion27 decks169 decks
11%synergy
Stroke of Midnight
16%inclusion27 decks169 decks
5%synergy
Plumb the Forbidden
14%inclusion23 decks169 decks
11%synergy
Culling the Weak
12%inclusion20 decks169 decks
8%synergy
Dawn's Truce
12%inclusion20 decks169 decks
5%synergy
Duty Beyond Death
11%inclusion19 decks169 decks
10%synergy
Imp's Mischief
11%inclusion19 decks169 decks
7%synergy
Flawless Maneuver
11%inclusion19 decks169 decks
1%synergy
Mortify
11%inclusion19 decks169 decks
0%synergy
Reprieve
11%inclusion18 decks169 decks
6%synergy
Nasty End
10%inclusion17 decks169 decks
8%synergy
Silence
9.5%inclusion16 decks169 decks
3%synergy
Clever Concealment
8.3%inclusion14 decks169 decks
4%synergy
Cauldron Haze
6.5%inclusion11 decks169 decks
6%synergy
Sorceries
Eerie Ultimatum
75%inclusion3 decks4 decks
64%synergy
Damn
44%inclusion75 decks169 decks
29%synergy
Victimize
39%inclusion66 decks169 decks
27%synergy
Reanimate
38%inclusion65 decks169 decks
19%synergy
Toxic Deluge
27%inclusion45 decks169 decks
8%synergy
Austere Command
24%inclusion41 decks169 decks
12%synergy
Diabolic Intent
21%inclusion35 decks169 decks
13%synergy
Night's Whisper
20%inclusion34 decks169 decks
11%synergy
Living Death
17%inclusion29 decks169 decks
12%synergy
Agadeem's Awakening
17%inclusion28 decks169 decks
14%synergy
Dread Return
12%inclusion20 decks169 decks
7%synergy
Blasphemous Edict
11%inclusion19 decks169 decks
5%synergy
Sign in Blood
11%inclusion19 decks169 decks
2%synergy
Farewell
11%inclusion19 decks169 decks
-2%synergy
Rite of Oblivion
11%inclusion18 decks169 decks
8%synergy
Wrath of God
10%inclusion17 decks169 decks
5%synergy
Damnation
8.3%inclusion14 decks169 decks
2%synergy
Sevinne's Reclamation
8.3%inclusion14 decks169 decks
1%synergy
Feed the Swarm
6.5%inclusion11 decks169 decks
-10%synergy
Urza's Ruinous Blast
5.3%inclusion9 decks169 decks
3%synergy
Primevals' Glorious Rebirth
5.3%inclusion9 decks169 decks
2%synergy
Utility Artifacts
The Great Henge
75%inclusion3 decks4 decks
66%synergy
Altar of Dementia
40%inclusion67 decks169 decks
37%synergy
Lightning Greaves
36%inclusion61 decks169 decks
11%synergy
Blasting Station
27%inclusion46 decks169 decks
27%synergy
Swiftfoot Boots
27%inclusion46 decks169 decks
0%synergy
Jet Medallion
16%inclusion27 decks169 decks
12%synergy
Oketra's Monument
13%inclusion22 decks169 decks
11%synergy
Pearl Medallion
11%inclusion19 decks169 decks
9%synergy
Spawning Pit
9.5%inclusion16 decks169 decks
9%synergy
Cauldron of Souls
5.9%inclusion10 decks169 decks
6%synergy
Altar of the Brood
5.9%inclusion10 decks169 decks
5%synergy
Enchantments
Cathars' Crusade
51%inclusion87 decks169 decks
46%synergy
Phyrexian Arena
34%inclusion57 decks169 decks
18%synergy
Thran Vigil
33%inclusion55 decks169 decks
32%synergy
The Meathook Massacre
31%inclusion53 decks169 decks
26%synergy
Black Market Connections
31%inclusion52 decks169 decks
19%synergy
Grave Pact
30%inclusion51 decks169 decks
26%synergy
Bitterblossom
22%inclusion38 decks169 decks
18%synergy
Dictate of Erebos
20%inclusion34 decks169 decks
17%synergy
Funeral Room // Awakening Hall
15%inclusion25 decks169 decks
13%synergy
Land Tax
15%inclusion25 decks169 decks
8%synergy
Anointed Procession
14%inclusion23 decks169 decks
6%synergy
Animate Dead
12%inclusion20 decks169 decks
3%synergy
Fanatical Devotion
9.5%inclusion16 decks169 decks
9%synergy
Barrensteppe Siege
8.3%inclusion14 decks169 decks
6%synergy
Martyr's Cause
7.7%inclusion13 decks169 decks
7%synergy
Sothera, the Supervoid
7.7%inclusion13 decks169 decks
7%synergy
Black Market
7.1%inclusion12 decks169 decks
3%synergy
Vampiric Rites
6.5%inclusion11 decks169 decks
4%synergy
Felidar Retreat
6.5%inclusion11 decks169 decks
1%synergy
Call of the Ring
5.9%inclusion10 decks169 decks
4%synergy
Blind Obedience
5.9%inclusion10 decks169 decks
0%synergy
Planeswalkers
Liliana, Dreadhorde General
20%inclusion33 decks169 decks
16%synergy
Elspeth, Storm Slayer
13%inclusion22 decks169 decks
8%synergy
Utility Lands
Phyrexian Tower
54%inclusion91 decks169 decks
45%synergy
Bojuka Bog
49%inclusion82 decks169 decks
19%synergy
Urborg, Tomb of Yawgmoth
44%inclusion74 decks169 decks
35%synergy
High Market
38%inclusion64 decks169 decks
35%synergy
Reliquary Tower
25%inclusion43 decks169 decks
-4%synergy
Susur Secundi, Void Altar
25%inclusion42 decks169 decks
22%synergy
Cabal Coffers
25%inclusion42 decks169 decks
15%synergy
Vault of the Archangel
25%inclusion42 decks169 decks
13%synergy
Takenuma, Abandoned Mire
24%inclusion40 decks169 decks
15%synergy
Abandoned Air Temple
20%inclusion27 decks137 decks
15%synergy
Midgar, City of Mako
17%inclusion28 decks169 decks
13%synergy
Eiganjo, Seat of the Empire
17%inclusion28 decks169 decks
10%synergy
Westvale Abbey
16%inclusion27 decks169 decks
14%synergy
Command Beacon
12%inclusion21 decks169 decks
8%synergy
Spymaster's Vault
11%inclusion19 decks169 decks
9%synergy
Nesting Grounds
8.9%inclusion15 decks169 decks
7%synergy
Castle Locthwain
8.9%inclusion15 decks169 decks
5%synergy
Nykthos, Shrine to Nyx
8.9%inclusion15 decks169 decks
4%synergy
Monumental Henge
8.3%inclusion14 decks169 decks
6%synergy
Minas Tirith
7.7%inclusion13 decks169 decks
1%synergy
Shizo, Death's Storehouse
7.1%inclusion12 decks169 decks
3%synergy
Rogue's Passage
5.9%inclusion10 decks169 decks
-14%synergy
Urza's Saga
5.3%inclusion9 decks169 decks
-2%synergy
Mana Artifacts
Sol Ring
92%inclusion156 decks169 decks
9%synergy
Arcane Signet
86%inclusion145 decks169 decks
14%synergy
Talisman of Hierarchy
53%inclusion90 decks169 decks
27%synergy
Orzhov Signet
46%inclusion77 decks169 decks
22%synergy
Fellwar Stone
25%inclusion43 decks169 decks
5%synergy
Thought Vessel
22%inclusion38 decks169 decks
5%synergy
The Soul Stone
17%inclusion28 decks169 decks
13%synergy
Mind Stone
13%inclusion22 decks169 decks
-2%synergy
Relic of Legends
7.7%inclusion13 decks169 decks
5%synergy
Lotus Petal
6.5%inclusion11 decks169 decks
-1%synergy
Mox Amber
5.9%inclusion10 decks169 decks
1%synergy
Commander's Sphere
5.3%inclusion9 decks169 decks
-7%synergy
Lands
Savai Triome
100%inclusion5 decks5 decks
76%synergy
Raffine's Tower
100%inclusion3 decks3 decks
76%synergy
Hallowed Fountain
100%inclusion3 decks3 decks
60%synergy
Watery Grave
100%inclusion3 decks3 decks
58%synergy
Command Tower
88%inclusion149 decks169 decks
14%synergy
Isolated Chapel
78%inclusion132 decks169 decks
45%synergy
Godless Shrine
76%inclusion128 decks169 decks
35%synergy
Sandsteppe Citadel
75%inclusion3 decks4 decks
49%synergy
Fetid Heath
62%inclusion104 decks169 decks
48%synergy
Caves of Koilos
59%inclusion100 decks169 decks
30%synergy
Shattered Sanctum
57%inclusion96 decks169 decks
42%synergy
Vault of Champions
57%inclusion96 decks169 decks
33%synergy
Tainted Field
52%inclusion88 decks169 decks
39%synergy
Marsh Flats
50%inclusion84 decks169 decks
39%synergy
Bleachbone Verge
40%inclusion67 decks169 decks
32%synergy
Shineshadow Snarl
36%inclusion60 decks169 decks
23%synergy
Shadowy Backstreet
35%inclusion59 decks169 decks
25%synergy
Brightclimb Pathway
33%inclusion55 decks169 decks
24%synergy
Exotic Orchard
31%inclusion53 decks169 decks
-5%synergy
Desolate Mire
28%inclusion48 decks169 decks
22%synergy
Temple of Silence
28%inclusion48 decks169 decks
11%synergy
Concealed Courtyard
28%inclusion47 decks169 decks
22%synergy
Orzhov Basilica
25%inclusion43 decks169 decks
11%synergy
Fabled Passage
19%inclusion32 decks169 decks
10%synergy
Silent Clearing
15%inclusion26 decks169 decks
11%synergy
Scrubland
14%inclusion24 decks169 decks
1%synergy
Polluted Delta
11%inclusion19 decks169 decks
-1%synergy
Evolving Wilds
11%inclusion18 decks169 decks
-10%synergy
Prismatic Vista
9.5%inclusion16 decks169 decks
5%synergy
Arid Mesa
9.5%inclusion16 decks169 decks
-1%synergy
Bloodstained Mire
9.5%inclusion16 decks169 decks
-2%synergy
Flooded Strand
9.5%inclusion16 decks169 decks
-2%synergy
Lazotep Quarry
8.9%inclusion15 decks169 decks
8%synergy
Reflecting Pool
8.9%inclusion15 decks169 decks
4%synergy
Verdant Catacombs
8.3%inclusion14 decks169 decks
-3%synergy
Myriad Landscape
7.7%inclusion13 decks169 decks
-8%synergy
Windswept Heath
7.1%inclusion12 decks169 decks
-4%synergy
Terramorphic Expanse
7.1%inclusion12 decks169 decks
-8%synergy
Sunlit Marsh
6.5%inclusion11 decks169 decks
2%synergy
Scoured Barrens
6.5%inclusion11 decks169 decks
-2%synergy
The Grey Havens
5.3%inclusion9 decks169 decks
4%synergy
Plaza of Heroes
5.3%inclusion9 decks169 decks
3%synergy