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
Karai, Future of the Foot
0.4%inclusion1 decks271 decks
Top Commanders
Eirdu, Carrier of Dawn
5.1%inclusion215 decks4.21K decks
Ratadrabik of Urborg
2.4%inclusion55 decks2.29K decks
Teysa Karlov
0.1%inclusion7 decks8.05K decks
Celes, Rune Knight
0.1%inclusion3 decks5.10K decks
Nethroi, Apex of Death
0.1%inclusion3 decks2.88K decks
Elas il-Kor, Sadistic Pilgrim
0.1%inclusion3 decks3.15K decks
Felisa, Fang of Silverquill
0.2%inclusion2 decks1.02K decks
Go-Shintai of Life's Origin
0.0%inclusion2 decks8.95K decks
Ghave, Guru of Spores
0.1%inclusion2 decks3.02K decks
Teysa, Orzhov Scion
0.1%inclusion2 decks1.56K decks
Hei Bai, Spirit of Balance
0.2%inclusion1 decks442 decks
Nevinyrral, Urborg Tyrant
0.1%inclusion1 decks727 decks
Edgar Markov
0.0%inclusion1 decks18.5K decks
Tayam, Luminous Enigma
0.0%inclusion1 decks3.52K decks
Carmen, Cruel Skymarcher
0.1%inclusion1 decks1.70K decks
Ramos, Dragon Engine
0.0%inclusion1 decks4.57K decks
Alesha, Who Smiles at Death
0.1%inclusion1 decks1.88K decks
New Cards
Emeritus of Woe
8.8%inclusion3 decks34 decks
6%synergy
Page, Loose Leaf
8.8%inclusion3 decks34 decks
9%synergy
Continue?
6.6%inclusion8 decks122 decks
5%synergy
Eclipsed Steppe
6.3%inclusion3 decks48 decks
2%synergy
Arnyn, Deathbloom Botanist
5.9%inclusion2 decks34 decks
5%synergy
High Synergy Cards
Glen Elendra Archmage
80%inclusion4 decks5 decks
78%synergy
Murderous Redcap
75%inclusion6 decks8 decks
73%synergy
Elas il-Kor, Sadistic Pilgrim
81%inclusion248 decks308 decks
71%synergy
Melira, Sylvok Outcast
70%inclusion7 decks10 decks
70%synergy
Goblin Bombardment
75%inclusion6 decks8 decks
69%synergy
Ashnod's Altar
72%inclusion223 decks308 decks
66%synergy
Luminous Broodmoth
65%inclusion201 decks308 decks
63%synergy
Viscera Seer
70%inclusion217 decks308 decks
62%synergy
Kitchen Finks
60%inclusion6 decks10 decks
60%synergy
Cruel Celebrant
62%inclusion192 decks308 decks
55%synergy
Top Cards
Counterspell
80%inclusion4 decks5 decks
38%synergy
Swords to Plowshares
75%inclusion232 decks308 decks
14%synergy
Blood Artist
62%inclusion192 decks308 decks
51%synergy
Bartolomé del Presidio
59%inclusion182 decks308 decks
55%synergy
Zulaport Cutthroat
59%inclusion182 decks308 decks
51%synergy
Pitiless Plunderer
59%inclusion181 decks308 decks
50%synergy
Path to Exile
58%inclusion180 decks308 decks
11%synergy
Phyrexian Altar
55%inclusion168 decks308 decks
51%synergy
Bastion of Remembrance
55%inclusion168 decks308 decks
48%synergy
Skullclamp
54%inclusion165 decks308 decks
42%synergy
Game Changers
Demonic Tutor
24%inclusion75 decks308 decks
5%synergy
Smothering Tithe
24%inclusion75 decks308 decks
4%synergy
Teferi's Protection
20%inclusion62 decks308 decks
4%synergy
Vampiric Tutor
17%inclusion52 decks308 decks
2%synergy
Bolas's Citadel
14%inclusion43 decks308 decks
6%synergy
Enlightened Tutor
14%inclusion42 decks308 decks
-1%synergy
Necropotence
12%inclusion36 decks308 decks
7%synergy
Ancient Tomb
10%inclusion30 decks308 decks
0%synergy
Orcish Bowmasters
7.1%inclusion22 decks308 decks
-1%synergy
The One Ring
6.8%inclusion21 decks308 decks
-1%synergy
Creatures
Safehold Elite
50%inclusion5 decks10 decks
50%synergy
Thunderblust
50%inclusion4 decks8 decks
50%synergy
Gev, Scaled Scorch
50%inclusion4 decks8 decks
49%synergy
Woodfall Primus
50%inclusion5 decks10 decks
49%synergy
Carrion Feeder
50%inclusion153 decks308 decks
45%synergy
Warren Soultrader
48%inclusion149 decks308 decks
43%synergy
Umbral Collar Zealot
48%inclusion148 decks308 decks
45%synergy
Teysa Karlov
47%inclusion145 decks308 decks
43%synergy
Elenda, the Dusk Rose
46%inclusion142 decks308 decks
41%synergy
Vizier of Remedies
44%inclusion135 decks308 decks
44%synergy
Yawgmoth, Thran Physician
43%inclusion133 decks308 decks
40%synergy
Marionette Apprentice
43%inclusion132 decks308 decks
38%synergy
Junji, the Midnight Sky
40%inclusion124 decks308 decks
38%synergy
Aerie Ouphes
40%inclusion4 decks10 decks
40%synergy
Geralf's Messenger
40%inclusion122 decks308 decks
39%synergy
Grim Haruspex
40%inclusion122 decks308 decks
37%synergy
Braids, Arisen Nightmare
39%inclusion119 decks308 decks
32%synergy
Corpse Knight
38%inclusion118 decks308 decks
33%synergy
Sephiroth, Fabled SOLDIER
38%inclusion116 decks308 decks
35%synergy
Furystoke Giant
38%inclusion3 decks8 decks
37%synergy
Syr Konrad, the Grim
37%inclusion114 decks308 decks
29%synergy
Woe Strider
34%inclusion106 decks308 decks
33%synergy
Solemn Simulacrum
34%inclusion105 decks308 decks
22%synergy
Morbid Opportunist
34%inclusion104 decks308 decks
26%synergy
Rhys, the Evermore
32%inclusion81 decks251 decks
32%synergy
Lotho, Corrupt Shirriff
31%inclusion97 decks308 decks
19%synergy
Butcher Ghoul
31%inclusion94 decks308 decks
30%synergy
Gray Merchant of Asphodel
30%inclusion93 decks308 decks
22%synergy
Heartmender
30%inclusion3 decks10 decks
30%synergy
Golgari Grave-Troll
30%inclusion3 decks10 decks
29%synergy
Spore Frog
30%inclusion3 decks10 decks
27%synergy
Sakura-Tribe Elder
30%inclusion3 decks10 decks
14%synergy
Eternal Witness
30%inclusion3 decks10 decks
14%synergy
Scholar of New Horizons
27%inclusion82 decks308 decks
25%synergy
Pawn of Ulamog
26%inclusion79 decks308 decks
24%synergy
Loran of the Third Path
25%inclusion78 decks308 decks
18%synergy
Midnight Reaper
24%inclusion75 decks308 decks
21%synergy
Drivnod, Carnage Dominus
24%inclusion73 decks308 decks
22%synergy
Esper Sentinel
24%inclusion73 decks308 decks
5%synergy
Sun Titan
23%inclusion72 decks308 decks
15%synergy
Vengeful Bloodwitch
23%inclusion71 decks308 decks
21%synergy
Zack Fair
23%inclusion71 decks308 decks
21%synergy
Witch Enchanter
22%inclusion67 decks308 decks
14%synergy
Ayara, First of Locthwain
21%inclusion66 decks308 decks
18%synergy
Accursed Marauder
21%inclusion66 decks308 decks
16%synergy
Boromir, Warden of the Tower
20%inclusion63 decks308 decks
17%synergy
Emptiness
20%inclusion61 decks308 decks
19%synergy
Teysa, Orzhov Scion
19%inclusion59 decks308 decks
18%synergy
Selfless Spirit
19%inclusion59 decks308 decks
15%synergy
Mondrak, Glory Dominus
18%inclusion56 decks308 decks
12%synergy
Instants
Anguished Unmaking
52%inclusion159 decks308 decks
27%synergy
Dark Ritual
48%inclusion149 decks308 decks
24%synergy
Deadly Dispute
43%inclusion131 decks308 decks
30%synergy
Village Rites
40%inclusion124 decks308 decks
31%synergy
Revitalizing Repast
30%inclusion3 decks10 decks
21%synergy
Despark
30%inclusion92 decks308 decks
16%synergy
Generous Gift
28%inclusion87 decks308 decks
7%synergy
Flare of Fortitude
26%inclusion80 decks308 decks
22%synergy
Inkshield
25%inclusion76 decks308 decks
17%synergy
Corrupted Conviction
24%inclusion73 decks308 decks
19%synergy
Malakir Rebirth
23%inclusion72 decks308 decks
15%synergy
Deadly Rollick
23%inclusion71 decks308 decks
9%synergy
Saw in Half
19%inclusion60 decks308 decks
15%synergy
Fell the Profane
17%inclusion51 decks308 decks
8%synergy
Plumb the Forbidden
15%inclusion47 decks308 decks
13%synergy
Fracture
15%inclusion47 decks308 decks
10%synergy
Stroke of Midnight
13%inclusion41 decks308 decks
3%synergy
Mortify
13%inclusion40 decks308 decks
2%synergy
Nasty End
13%inclusion39 decks308 decks
11%synergy
Culling the Weak
11%inclusion35 decks308 decks
7%synergy
Duty Beyond Death
10%inclusion31 decks308 decks
9%synergy
Flawless Maneuver
9.4%inclusion29 decks308 decks
-1%synergy
Dawn's Truce
8.8%inclusion27 decks308 decks
2%synergy
Silence
7.8%inclusion24 decks308 decks
2%synergy
Imp's Mischief
7.1%inclusion22 decks308 decks
3%synergy
Reprieve
7.1%inclusion22 decks308 decks
3%synergy
Clever Concealment
6.8%inclusion21 decks308 decks
2%synergy
Cauldron Haze
6.5%inclusion20 decks308 decks
6%synergy
Flare of Malice
5.5%inclusion17 decks308 decks
3%synergy
Entomb
5.2%inclusion16 decks308 decks
-2%synergy
Sorceries
Damn
45%inclusion138 decks308 decks
30%synergy
Victimize
44%inclusion135 decks308 decks
31%synergy
Nature's Lore
40%inclusion4 decks10 decks
9%synergy
Farseek
40%inclusion4 decks10 decks
4%synergy
Reanimate
38%inclusion116 decks308 decks
18%synergy
Eerie Ultimatum
30%inclusion3 decks10 decks
19%synergy
Three Visits
30%inclusion3 decks10 decks
6%synergy
Kodama's Reach
30%inclusion3 decks10 decks
3%synergy
Cultivate
30%inclusion3 decks10 decks
-12%synergy
Toxic Deluge
27%inclusion82 decks308 decks
9%synergy
Diabolic Intent
24%inclusion73 decks308 decks
16%synergy
Austere Command
20%inclusion62 decks308 decks
8%synergy
Night's Whisper
19%inclusion60 decks308 decks
10%synergy
Living Death
19%inclusion59 decks308 decks
14%synergy
Blasphemous Edict
13%inclusion41 decks308 decks
8%synergy
Agadeem's Awakening
13%inclusion40 decks308 decks
10%synergy
Rite of Oblivion
12%inclusion38 decks308 decks
10%synergy
Dread Return
10%inclusion32 decks308 decks
5%synergy
Sign in Blood
10%inclusion31 decks308 decks
1%synergy
Primevals' Glorious Rebirth
8.8%inclusion27 decks308 decks
6%synergy
Wrath of God
7.8%inclusion24 decks308 decks
3%synergy
Sevinne's Reclamation
7.5%inclusion23 decks308 decks
0%synergy
Farewell
7.1%inclusion22 decks308 decks
-5%synergy
Urza's Ruinous Blast
6.8%inclusion21 decks308 decks
5%synergy
Vindicate
6.2%inclusion19 decks308 decks
0%synergy
Feed the Swarm
6.2%inclusion19 decks308 decks
-10%synergy
Diabolic Tutor
5.5%inclusion17 decks308 decks
0%synergy
Damnation
5.5%inclusion17 decks308 decks
-1%synergy
Buried Alive
5.2%inclusion16 decks308 decks
-1%synergy
Utility Artifacts
The Great Henge
40%inclusion4 decks10 decks
31%synergy
Altar of Dementia
37%inclusion115 decks308 decks
35%synergy
Lightning Greaves
33%inclusion101 decks308 decks
8%synergy
Swiftfoot Boots
26%inclusion81 decks308 decks
-1%synergy
Blasting Station
23%inclusion70 decks308 decks
22%synergy
Jet Medallion
15%inclusion45 decks308 decks
11%synergy
Oketra's Monument
11%inclusion34 decks308 decks
9%synergy
Pearl Medallion
10%inclusion31 decks308 decks
7%synergy
Spawning Pit
10%inclusion30 decks308 decks
9%synergy
Wayfarer's Bauble
8.4%inclusion26 decks308 decks
1%synergy
Nim Deathmantle
5.8%inclusion18 decks308 decks
5%synergy
Blade of Selves
5.8%inclusion18 decks308 decks
4%synergy
Cauldron of Souls
5.5%inclusion17 decks308 decks
5%synergy
Enchantments
Rhythm of the Wild
100%inclusion3 decks3 decks
79%synergy
Cathars' Crusade
45%inclusion140 decks308 decks
40%synergy
Solemnity
45%inclusion139 decks308 decks
44%synergy
Phyrexian Arena
33%inclusion101 decks308 decks
18%synergy
Thran Vigil
32%inclusion98 decks308 decks
31%synergy
The Meathook Massacre
29%inclusion88 decks308 decks
23%synergy
Grave Pact
27%inclusion84 decks308 decks
23%synergy
Black Market Connections
26%inclusion80 decks308 decks
14%synergy
Bitterblossom
18%inclusion56 decks308 decks
14%synergy
Dictate of Erebos
17%inclusion53 decks308 decks
14%synergy
Animate Dead
16%inclusion48 decks308 decks
7%synergy
Funeral Room // Awakening Hall
15%inclusion45 decks308 decks
13%synergy
Land Tax
12%inclusion36 decks308 decks
5%synergy
Anointed Procession
12%inclusion36 decks308 decks
5%synergy
Barrensteppe Siege
7.8%inclusion24 decks308 decks
6%synergy
Vampiric Rites
7.8%inclusion24 decks308 decks
5%synergy
Fanatical Devotion
7.5%inclusion23 decks308 decks
7%synergy
Sothera, the Supervoid
7.1%inclusion22 decks308 decks
6%synergy
Renewed Solidarity
6.5%inclusion20 decks308 decks
4%synergy
Grave Venerations
6.4%inclusion16 decks249 decks
5%synergy
Martyr's Cause
5.8%inclusion18 decks308 decks
5%synergy
Dance of the Dead
5.8%inclusion18 decks308 decks
4%synergy
Caretaker's Talent
5.8%inclusion18 decks308 decks
1%synergy
Felidar Retreat
5.8%inclusion18 decks308 decks
0%synergy
Valkyrie's Call
5.5%inclusion17 decks308 decks
5%synergy
Blind Obedience
5.5%inclusion17 decks308 decks
0%synergy
Call of the Ring
5.2%inclusion16 decks308 decks
3%synergy
Planeswalkers
Liliana, Dreadhorde General
19%inclusion59 decks308 decks
16%synergy
Elspeth, Storm Slayer
10%inclusion30 decks308 decks
5%synergy
Utility Lands
Phyrexian Tower
50%inclusion154 decks308 decks
41%synergy
Bojuka Bog
49%inclusion152 decks308 decks
20%synergy
High Market
43%inclusion131 decks308 decks
40%synergy
Urborg, Tomb of Yawgmoth
37%inclusion113 decks308 decks
28%synergy
Vault of the Archangel
27%inclusion84 decks308 decks
15%synergy
Takenuma, Abandoned Mire
25%inclusion76 decks308 decks
16%synergy
Reliquary Tower
24%inclusion73 decks308 decks
-6%synergy
Susur Secundi, Void Altar
21%inclusion64 decks308 decks
18%synergy
Cabal Coffers
20%inclusion63 decks308 decks
11%synergy
Eiganjo, Seat of the Empire
17%inclusion53 decks308 decks
10%synergy
Abandoned Air Temple
16%inclusion45 decks276 decks
11%synergy
Westvale Abbey
15%inclusion46 decks308 decks
13%synergy
Midgar, City of Mako
14%inclusion44 decks308 decks
11%synergy
Spymaster's Vault
12%inclusion36 decks308 decks
9%synergy
Minas Tirith
12%inclusion36 decks308 decks
5%synergy
Shizo, Death's Storehouse
9.1%inclusion28 decks308 decks
5%synergy
Command Beacon
9.1%inclusion28 decks308 decks
4%synergy
Nesting Grounds
8.4%inclusion26 decks308 decks
6%synergy
Monumental Henge
7.8%inclusion24 decks308 decks
5%synergy
Castle Locthwain
7.8%inclusion24 decks308 decks
4%synergy
Nykthos, Shrine to Nyx
7.8%inclusion24 decks308 decks
2%synergy
Rogue's Passage
5.5%inclusion17 decks308 decks
-15%synergy
Mana Artifacts
Sol Ring
93%inclusion286 decks308 decks
9%synergy
Arcane Signet
87%inclusion267 decks308 decks
15%synergy
Talisman of Hierarchy
59%inclusion181 decks308 decks
32%synergy
Orzhov Signet
49%inclusion151 decks308 decks
26%synergy
Rakdos Signet
38%inclusion3 decks8 decks
14%synergy
Fellwar Stone
26%inclusion80 decks308 decks
6%synergy
Thought Vessel
18%inclusion55 decks308 decks
1%synergy
Mind Stone
16%inclusion50 decks308 decks
2%synergy
The Soul Stone
14%inclusion44 decks308 decks
10%synergy
Relic of Legends
10%inclusion31 decks308 decks
8%synergy
Commander's Sphere
6.2%inclusion19 decks308 decks
-5%synergy
Mox Amber
5.5%inclusion17 decks308 decks
1%synergy
Lotus Petal
5.2%inclusion16 decks308 decks
-2%synergy
Lands
Hallowed Fountain
100%inclusion5 decks5 decks
60%synergy
Watery Grave
100%inclusion5 decks5 decks
58%synergy
Breeding Pool
100%inclusion3 decks3 decks
58%synergy
Command Tower
89%inclusion273 decks308 decks
14%synergy
Raffine's Tower
80%inclusion4 decks5 decks
56%synergy
Isolated Chapel
77%inclusion238 decks308 decks
43%synergy
Godless Shrine
77%inclusion236 decks308 decks
35%synergy
Savai Triome
75%inclusion6 decks8 decks
52%synergy
Temple Garden
70%inclusion7 decks10 decks
31%synergy
Overgrown Tomb
70%inclusion7 decks10 decks
29%synergy
Caves of Koilos
64%inclusion196 decks308 decks
34%synergy
Sandsteppe Citadel
60%inclusion6 decks10 decks
34%synergy
Shattered Sanctum
60%inclusion184 decks308 decks
44%synergy
Fetid Heath
57%inclusion175 decks308 decks
43%synergy
Vault of Champions
53%inclusion164 decks308 decks
30%synergy
Tainted Field
51%inclusion158 decks308 decks
39%synergy
Spectator Seating
50%inclusion4 decks8 decks
28%synergy
Luxury Suite
50%inclusion4 decks8 decks
27%synergy
Woodland Cemetery
50%inclusion5 decks10 decks
17%synergy
Marsh Flats
45%inclusion138 decks308 decks
34%synergy
Undergrowth Stadium
40%inclusion4 decks10 decks
16%synergy
Indatha Triome
40%inclusion4 decks10 decks
13%synergy
Sunpetal Grove
40%inclusion4 decks10 decks
12%synergy
Bleachbone Verge
40%inclusion122 decks308 decks
31%synergy
Graven Cairns
38%inclusion3 decks8 decks
28%synergy
Nomad Outpost
38%inclusion3 decks8 decks
9%synergy
Dragonskull Summit
38%inclusion3 decks8 decks
3%synergy
Sacred Foundry
38%inclusion3 decks8 decks
1%synergy
Shineshadow Snarl
36%inclusion112 decks308 decks
24%synergy
Shadowy Backstreet
35%inclusion108 decks308 decks
25%synergy
Brightclimb Pathway
34%inclusion105 decks308 decks
26%synergy
Temple of Silence
31%inclusion97 decks308 decks
15%synergy
Lush Portico
30%inclusion3 decks10 decks
21%synergy
Underground Mortuary
30%inclusion3 decks10 decks
17%synergy
Brushland
30%inclusion3 decks10 decks
10%synergy
Llanowar Wastes
30%inclusion3 decks10 decks
3%synergy
Orzhov Basilica
28%inclusion86 decks308 decks
14%synergy
Exotic Orchard
28%inclusion86 decks308 decks
-9%synergy
Concealed Courtyard
25%inclusion76 decks308 decks
19%synergy
Desolate Mire
23%inclusion72 decks308 decks
17%synergy
Silent Clearing
18%inclusion56 decks308 decks
14%synergy
Fabled Passage
16%inclusion49 decks308 decks
6%synergy
Scrubland
15%inclusion46 decks308 decks
1%synergy
Evolving Wilds
13%inclusion39 decks308 decks
-8%synergy
Bloodstained Mire
10%inclusion32 decks308 decks
-1%synergy
Arid Mesa
10%inclusion30 decks308 decks
0%synergy
Polluted Delta
10%inclusion30 decks308 decks
-2%synergy
Myriad Landscape
10%inclusion30 decks308 decks
-6%synergy
Plaza of Heroes
9.1%inclusion28 decks308 decks
7%synergy
Lazotep Quarry
8.4%inclusion26 decks308 decks
8%synergy