Eirdu, Carrier of Dawn
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).

   Steps

How does this combo work?
1
Activate Yahenni by sacrificing the undying 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 undying creature.
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
10%inclusion83 decks816 decks
Hei Bai, Spirit of Balance
0.8%inclusion2 decks249 decks
Top Commanders
Ratadrabik of Urborg
2.6%inclusion30 decks1.17K decks
Celes, Rune Knight
0.3%inclusion8 decks2.60K decks
Reyhan, Last of the Abzan // Yoshimaru, Ever Faithful
0.8%inclusion3 decks390 decks
Edgar Markov
0.0%inclusion2 decks9.21K decks
Teysa Karlov
0.1%inclusion2 decks3.92K decks
Go-Shintai of Life's Origin
0.0%inclusion2 decks5.47K decks
Felisa, Fang of Silverquill
0.5%inclusion2 decks444 decks
Tayam, Luminous Enigma
0.1%inclusion2 decks1.63K decks
Ravos, Soultender // Tana, the Bloodsower
0.6%inclusion1 decks165 decks
Shanid, Sleepers' Scourge
0.2%inclusion1 decks487 decks
Nethroi, Apex of Death
0.1%inclusion1 decks1.40K decks
Elenda, the Dusk Rose
0.1%inclusion1 decks1.21K decks
Carmen, Cruel Skymarcher
0.1%inclusion1 decks807 decks
Kambal, Profiteering Mayor
0.1%inclusion1 decks1.15K decks
Piru, the Volatile
0.3%inclusion1 decks369 decks
Athreos, God of Passage
0.1%inclusion1 decks1.47K decks
New Cards
Ba Sing Se
17%inclusion1 decks6 decks
11%synergy
Dai Li Agents
17%inclusion1 decks6 decks
16%synergy
Solid Ground
17%inclusion1 decks6 decks
15%synergy
Master's Guidance
17%inclusion1 decks6 decks
16%synergy
The Legend of Kyoshi
17%inclusion1 decks6 decks
13%synergy
High Synergy Cards
Elas il-Kor, Sadistic Pilgrim
74%inclusion107 decks145 decks
64%synergy
Goblin Bombardment
67%inclusion10 decks15 decks
61%synergy
Ashnod's Altar
66%inclusion96 decks145 decks
60%synergy
Viscera Seer
68%inclusion98 decks145 decks
59%synergy
Murderous Redcap
60%inclusion9 decks15 decks
58%synergy
Bartolomé del Presidio
63%inclusion91 decks145 decks
58%synergy
Phyrexian Altar
56%inclusion81 decks145 decks
52%synergy
Zulaport Cutthroat
56%inclusion81 decks145 decks
47%synergy
Phyrexian Tower
54%inclusion78 decks145 decks
45%synergy
Luminous Broodmoth
47%inclusion68 decks145 decks
44%synergy
Top Cards
Swords to Plowshares
61%inclusion89 decks145 decks
0%synergy
Blood Artist
56%inclusion81 decks145 decks
44%synergy
Path to Exile
52%inclusion75 decks145 decks
5%synergy
Cruel Celebrant
50%inclusion73 decks145 decks
43%synergy
Anguished Unmaking
48%inclusion70 decks145 decks
24%synergy
Bastion of Remembrance
48%inclusion69 decks145 decks
41%synergy
Pitiless Plunderer
48%inclusion69 decks145 decks
39%synergy
Carrion Feeder
47%inclusion68 decks145 decks
42%synergy
Dark Ritual
45%inclusion65 decks145 decks
21%synergy
Melira, Sylvok Outcast
44%inclusion4 decks9 decks
44%synergy
Game Changers
Demonic Tutor
26%inclusion38 decks145 decks
7%synergy
Teferi's Protection
23%inclusion34 decks145 decks
6%synergy
Smothering Tithe
22%inclusion32 decks145 decks
0%synergy
Vampiric Tutor
15%inclusion22 decks145 decks
0%synergy
Bolas's Citadel
14%inclusion20 decks145 decks
6%synergy
The One Ring
13%inclusion19 decks145 decks
5%synergy
Necropotence
10%inclusion15 decks145 decks
5%synergy
Ancient Tomb
10%inclusion14 decks145 decks
0%synergy
Imperial Seal
6.2%inclusion9 decks145 decks
1%synergy
Chrome Mox
6.2%inclusion9 decks145 decks
0%synergy
Creatures
Warren Soultrader
43%inclusion63 decks145 decks
38%synergy
Teysa Karlov
41%inclusion60 decks145 decks
37%synergy
Mikaeus, the Unhallowed
41%inclusion59 decks145 decks
38%synergy
Mayhem Devil
40%inclusion6 decks15 decks
30%synergy
Umbral Collar Zealot
39%inclusion57 decks145 decks
36%synergy
Sephiroth, Fabled SOLDIER
36%inclusion52 decks145 decks
34%synergy
Yawgmoth, Thran Physician
35%inclusion51 decks145 decks
32%synergy
Elenda, the Dusk Rose
35%inclusion51 decks145 decks
30%synergy
Woe Strider
34%inclusion49 decks145 decks
32%synergy
Safehold Elite
33%inclusion3 decks9 decks
33%synergy
Kitchen Finks
33%inclusion3 decks9 decks
33%synergy
Arwen, Weaver of Hope
33%inclusion3 decks9 decks
31%synergy
Hamza, Guardian of Arashin
33%inclusion3 decks9 decks
31%synergy
Sakura-Tribe Elder
33%inclusion3 decks9 decks
16%synergy
Eternal Witness
33%inclusion3 decks9 decks
16%synergy
Braids, Arisen Nightmare
33%inclusion48 decks145 decks
26%synergy
Loran of the Third Path
32%inclusion47 decks145 decks
26%synergy
Drivnod, Carnage Dominus
30%inclusion44 decks145 decks
28%synergy
Lotho, Corrupt Shirriff
30%inclusion43 decks145 decks
16%synergy
Junji, the Midnight Sky
29%inclusion42 decks145 decks
26%synergy
Marionette Apprentice
29%inclusion42 decks145 decks
24%synergy
Grim Haruspex
28%inclusion41 decks145 decks
25%synergy
Corpse Knight
28%inclusion41 decks145 decks
23%synergy
Solemn Simulacrum
28%inclusion41 decks145 decks
15%synergy
Syr Konrad, the Grim
27%inclusion39 decks145 decks
18%synergy
Alesha, Who Laughs at Fate
27%inclusion4 decks15 decks
23%synergy
Chainer, Nightmare Adept
27%inclusion4 decks15 decks
22%synergy
Mahadi, Emporium Master
27%inclusion4 decks15 decks
21%synergy
Witch Enchanter
26%inclusion38 decks145 decks
19%synergy
Mondrak, Glory Dominus
25%inclusion36 decks145 decks
18%synergy
Kambal, Profiteering Mayor
22%inclusion32 decks145 decks
16%synergy
Ayara, First of Locthwain
21%inclusion31 decks145 decks
18%synergy
Gray Merchant of Asphodel
21%inclusion31 decks145 decks
13%synergy
Vengeful Bloodwitch
21%inclusion30 decks145 decks
19%synergy
Pawn of Ulamog
21%inclusion30 decks145 decks
19%synergy
Syr Vondam, Sunstar Exemplar
21%inclusion30 decks145 decks
19%synergy
Welcoming Vampire
21%inclusion30 decks145 decks
15%synergy
Morbid Opportunist
21%inclusion30 decks145 decks
13%synergy
Esper Sentinel
21%inclusion30 decks145 decks
2%synergy
Furystoke Giant
20%inclusion3 decks15 decks
20%synergy
Thunderblust
20%inclusion3 decks15 decks
20%synergy
Geralf's Messenger
20%inclusion29 decks145 decks
20%synergy
Terra, Herald of Hope
20%inclusion3 decks15 decks
19%synergy
Sun Titan
20%inclusion29 decks145 decks
12%synergy
Ao, the Dawn Sky
19%inclusion28 decks145 decks
18%synergy
Scholar of New Horizons
19%inclusion28 decks145 decks
18%synergy
Gandalf the White
19%inclusion28 decks145 decks
18%synergy
Boromir, Warden of the Tower
19%inclusion28 decks145 decks
15%synergy
Midnight Reaper
18%inclusion26 decks145 decks
15%synergy
Accursed Marauder
18%inclusion26 decks145 decks
12%synergy
Instants
Heroic Intervention
44%inclusion4 decks9 decks
14%synergy
Deadly Dispute
38%inclusion55 decks145 decks
26%synergy
Village Rites
35%inclusion51 decks145 decks
26%synergy
Revitalizing Repast
33%inclusion3 decks9 decks
25%synergy
Assassin's Trophy
33%inclusion3 decks9 decks
3%synergy
Malakir Rebirth
28%inclusion41 decks145 decks
20%synergy
Despark
25%inclusion36 decks145 decks
11%synergy
Saw in Half
23%inclusion33 decks145 decks
19%synergy
Fell the Profane
23%inclusion33 decks145 decks
14%synergy
Generous Gift
22%inclusion32 decks145 decks
-1%synergy
Corrupted Conviction
21%inclusion30 decks145 decks
16%synergy
Deadly Rollick
21%inclusion30 decks145 decks
7%synergy
Flare of Fortitude
20%inclusion29 decks145 decks
16%synergy
Deflecting Swat
20%inclusion3 decks15 decks
3%synergy
Nasty End
17%inclusion24 decks145 decks
15%synergy
Inkshield
16%inclusion23 decks145 decks
9%synergy
Redirect Lightning
13%inclusion2 decks15 decks
8%synergy
Enlightened Tutor
12%inclusion17 decks145 decks
-4%synergy
Mortify
11%inclusion16 decks145 decks
0%synergy
Plumb the Forbidden
10%inclusion14 decks145 decks
7%synergy
Fracture
9.0%inclusion13 decks145 decks
4%synergy
Flawless Maneuver
9.0%inclusion13 decks145 decks
-1%synergy
Stroke of Midnight
9.0%inclusion13 decks145 decks
-2%synergy
Clever Concealment
8.3%inclusion12 decks145 decks
4%synergy
Reprieve
8.3%inclusion12 decks145 decks
4%synergy
Culling the Weak
7.6%inclusion11 decks145 decks
3%synergy
Dawn's Truce
6.9%inclusion10 decks145 decks
0%synergy
Cauldron Haze
6.2%inclusion9 decks145 decks
6%synergy
Flare of Malice
6.2%inclusion9 decks145 decks
4%synergy
Tragic Slip
6.2%inclusion9 decks145 decks
3%synergy
Duty Beyond Death
5.5%inclusion8 decks145 decks
4%synergy
Sejiri Shelter
5.5%inclusion8 decks145 decks
2%synergy
Imp's Mischief
5.5%inclusion8 decks145 decks
2%synergy
Silence
5.5%inclusion8 decks145 decks
-1%synergy
Entomb
5.5%inclusion8 decks145 decks
-1%synergy
Sorceries
Nature's Lore
44%inclusion4 decks9 decks
13%synergy
Blasphemous Act
40%inclusion6 decks15 decks
7%synergy
Victimize
39%inclusion57 decks145 decks
27%synergy
Eerie Ultimatum
33%inclusion3 decks9 decks
22%synergy
Three Visits
33%inclusion3 decks9 decks
9%synergy
Farseek
33%inclusion3 decks9 decks
-2%synergy
Cultivate
33%inclusion3 decks9 decks
-10%synergy
Damn
32%inclusion47 decks145 decks
17%synergy
Reanimate
32%inclusion46 decks145 decks
13%synergy
Toxic Deluge
19%inclusion28 decks145 decks
1%synergy
Night's Whisper
19%inclusion27 decks145 decks
10%synergy
Diabolic Intent
17%inclusion24 decks145 decks
9%synergy
Agadeem's Awakening
13%inclusion19 decks145 decks
10%synergy
Austere Command
13%inclusion19 decks145 decks
1%synergy
Primevals' Glorious Rebirth
12%inclusion17 decks145 decks
9%synergy
Farewell
11%inclusion16 decks145 decks
-2%synergy
Living Death
10%inclusion15 decks145 decks
5%synergy
Sevinne's Reclamation
10%inclusion15 decks145 decks
3%synergy
Sign in Blood
10%inclusion14 decks145 decks
1%synergy
Come Back Wrong
8.3%inclusion12 decks145 decks
7%synergy
Rite of Oblivion
7.6%inclusion11 decks145 decks
5%synergy
Dread Return
7.6%inclusion11 decks145 decks
2%synergy
Blasphemous Edict
7.6%inclusion11 decks145 decks
2%synergy
Wrath of God
6.9%inclusion10 decks145 decks
2%synergy
Morningtide's Light
6.2%inclusion9 decks145 decks
6%synergy
Urza's Ruinous Blast
6.2%inclusion9 decks145 decks
4%synergy
Insatiable Avarice
6.2%inclusion9 decks145 decks
3%synergy
Diabolic Tutor
5.5%inclusion8 decks145 decks
0%synergy
Damnation
5.5%inclusion8 decks145 decks
-1%synergy
Utility Artifacts
The Great Henge
44%inclusion4 decks9 decks
35%synergy
Skullclamp
43%inclusion62 decks145 decks
32%synergy
Altar of Dementia
37%inclusion53 decks145 decks
34%synergy
Lightning Greaves
30%inclusion44 decks145 decks
5%synergy
Blasting Station
26%inclusion37 decks145 decks
25%synergy
Swiftfoot Boots
25%inclusion36 decks145 decks
-2%synergy
Oketra's Monument
11%inclusion16 decks145 decks
9%synergy
Jet Medallion
11%inclusion16 decks145 decks
7%synergy
Spawning Pit
10%inclusion15 decks145 decks
10%synergy
Pearl Medallion
10%inclusion15 decks145 decks
8%synergy
Cauldron of Souls
8.3%inclusion12 decks145 decks
8%synergy
The Ozolith
7.6%inclusion11 decks145 decks
4%synergy
Archaeomancer's Map
6.9%inclusion10 decks145 decks
3%synergy
Wayfarer's Bauble
6.9%inclusion10 decks145 decks
-1%synergy
Altar of the Brood
5.5%inclusion8 decks145 decks
4%synergy
Blade of Selves
5.5%inclusion8 decks145 decks
4%synergy
Enchantments
Master Chef
44%inclusion4 decks9 decks
43%synergy
Cathars' Crusade
30%inclusion44 decks145 decks
25%synergy
Phyrexian Arena
28%inclusion40 decks145 decks
12%synergy
Impact Tremors
27%inclusion4 decks15 decks
17%synergy
The Meathook Massacre
26%inclusion38 decks145 decks
21%synergy
Solemnity
24%inclusion35 decks145 decks
23%synergy
Black Market Connections
24%inclusion35 decks145 decks
12%synergy
Grave Pact
23%inclusion33 decks145 decks
18%synergy
Thran Vigil
21%inclusion30 decks145 decks
20%synergy
Bitterblossom
14%inclusion21 decks145 decks
10%synergy
Animate Dead
13%inclusion19 decks145 decks
4%synergy
Land Tax
11%inclusion16 decks145 decks
5%synergy
Call of the Ring
10%inclusion15 decks145 decks
8%synergy
Dictate of Erebos
10%inclusion15 decks145 decks
7%synergy
Fanatical Devotion
10%inclusion14 decks145 decks
9%synergy
Anointed Procession
10%inclusion14 decks145 decks
2%synergy
Funeral Room // Awakening Hall
9.0%inclusion13 decks145 decks
7%synergy
Barrensteppe Siege
8.3%inclusion12 decks145 decks
6%synergy
Renewed Solidarity
8.3%inclusion12 decks145 decks
6%synergy
Martyr's Cause
7.6%inclusion11 decks145 decks
7%synergy
Black Market
7.6%inclusion11 decks145 decks
3%synergy
Sothera, the Supervoid
6.2%inclusion9 decks145 decks
5%synergy
Phyrexian Reclamation
6.2%inclusion9 decks145 decks
3%synergy
Flowering of the White Tree
6.2%inclusion9 decks145 decks
2%synergy
Caretaker's Talent
6.2%inclusion9 decks145 decks
2%synergy
Trouble in Pairs
6.2%inclusion9 decks145 decks
2%synergy
Felidar Retreat
6.2%inclusion9 decks145 decks
0%synergy
Vampiric Rites
5.5%inclusion8 decks145 decks
3%synergy
Planeswalkers
Liliana, Dreadhorde General
13%inclusion19 decks145 decks
9%synergy
Elspeth, Storm Slayer
10%inclusion14 decks145 decks
5%synergy
Utility Lands
Urborg, Tomb of Yawgmoth
37%inclusion53 decks145 decks
28%synergy
Bojuka Bog
34%inclusion49 decks145 decks
4%synergy
High Market
33%inclusion48 decks145 decks
31%synergy
Takenuma, Abandoned Mire
23%inclusion34 decks145 decks
15%synergy
Eiganjo, Seat of the Empire
20%inclusion29 decks145 decks
13%synergy
Reliquary Tower
20%inclusion29 decks145 decks
-10%synergy
Susur Secundi, Void Altar
19%inclusion28 decks145 decks
17%synergy
Vault of the Archangel
19%inclusion27 decks145 decks
7%synergy
Cabal Coffers
15%inclusion22 decks145 decks
5%synergy
Westvale Abbey
13%inclusion19 decks145 decks
11%synergy
Midgar, City of Mako
13%inclusion19 decks145 decks
9%synergy
Command Beacon
10%inclusion15 decks145 decks
5%synergy
Shizo, Death's Storehouse
10%inclusion14 decks145 decks
5%synergy
Minas Tirith
10%inclusion14 decks145 decks
3%synergy
Spymaster's Vault
9.0%inclusion13 decks145 decks
6%synergy
Monumental Henge
7.6%inclusion11 decks145 decks
5%synergy
Abandoned Air Temple
7.2%inclusion5 decks69 decks
2%synergy
Castle Locthwain
6.9%inclusion10 decks145 decks
3%synergy
Nykthos, Shrine to Nyx
6.9%inclusion10 decks145 decks
2%synergy
Mana Artifacts
Sol Ring
88%inclusion127 decks145 decks
4%synergy
Arcane Signet
85%inclusion123 decks145 decks
13%synergy
Talisman of Hierarchy
52%inclusion76 decks145 decks
26%synergy
Orzhov Signet
48%inclusion70 decks145 decks
24%synergy
Talisman of Indulgence
33%inclusion5 decks15 decks
5%synergy
Talisman of Conviction
27%inclusion4 decks15 decks
2%synergy
Fellwar Stone
26%inclusion37 decks145 decks
5%synergy
The Soul Stone
24%inclusion35 decks145 decks
20%synergy
Relic of Legends
20%inclusion29 decks145 decks
18%synergy
Boros Signet
20%inclusion3 decks15 decks
0%synergy
Rakdos Signet
20%inclusion3 decks15 decks
-6%synergy
Mind Stone
14%inclusion21 decks145 decks
0%synergy
Thought Vessel
14%inclusion21 decks145 decks
-3%synergy
Mox Amber
8.3%inclusion12 decks145 decks
4%synergy
Lands
Command Tower
90%inclusion131 decks145 decks
16%synergy
Isolated Chapel
76%inclusion110 decks145 decks
43%synergy
Godless Shrine
75%inclusion109 decks145 decks
34%synergy
Temple Garden
67%inclusion6 decks9 decks
28%synergy
Overgrown Tomb
67%inclusion6 decks9 decks
26%synergy
Caves of Koilos
61%inclusion88 decks145 decks
31%synergy
Savai Triome
60%inclusion9 decks15 decks
35%synergy
Sacred Foundry
60%inclusion9 decks15 decks
24%synergy
Blood Crypt
60%inclusion9 decks15 decks
23%synergy
Sandsteppe Citadel
56%inclusion5 decks9 decks
30%synergy
Vault of Champions
55%inclusion80 decks145 decks
31%synergy
Shattered Sanctum
54%inclusion78 decks145 decks
39%synergy
Dragonskull Summit
53%inclusion8 decks15 decks
19%synergy
Clifftop Retreat
53%inclusion8 decks15 decks
19%synergy
Fetid Heath
52%inclusion76 decks145 decks
39%synergy
Tainted Field
46%inclusion67 decks145 decks
33%synergy
Bleachbone Verge
45%inclusion65 decks145 decks
37%synergy
Marsh Flats
45%inclusion65 decks145 decks
34%synergy
Sunpetal Grove
44%inclusion4 decks9 decks
17%synergy
Indatha Triome
44%inclusion4 decks9 decks
16%synergy
Spectator Seating
40%inclusion6 decks15 decks
17%synergy
Luxury Suite
40%inclusion6 decks15 decks
16%synergy
Exotic Orchard
34%inclusion50 decks145 decks
-2%synergy
Bountiful Promenade
33%inclusion3 decks9 decks
11%synergy
Woodland Cemetery
33%inclusion3 decks9 decks
2%synergy
Canopy Vista
33%inclusion3 decks9 decks
-3%synergy
Brightclimb Pathway
33%inclusion48 decks145 decks
25%synergy
Shadowy Backstreet
33%inclusion48 decks145 decks
23%synergy
Shineshadow Snarl
33%inclusion48 decks145 decks
21%synergy
Orzhov Basilica
29%inclusion42 decks145 decks
14%synergy
Temple of Silence
28%inclusion41 decks145 decks
11%synergy
Rugged Prairie
27%inclusion4 decks15 decks
12%synergy
Sulfurous Springs
27%inclusion4 decks15 decks
3%synergy
Battlefield Forge
27%inclusion4 decks15 decks
-2%synergy
Nomad Outpost
27%inclusion4 decks15 decks
-3%synergy
Smoldering Marsh
27%inclusion4 decks15 decks
-7%synergy
Concealed Courtyard
23%inclusion34 decks145 decks
18%synergy
Desolate Mire
21%inclusion30 decks145 decks
15%synergy
Blazemire Verge
20%inclusion3 decks15 decks
9%synergy
Rakdos Carnarium
20%inclusion3 decks15 decks
8%synergy
Sundown Pass
20%inclusion3 decks15 decks
5%synergy
Haunted Ridge
20%inclusion3 decks15 decks
3%synergy
Silent Clearing
18%inclusion26 decks145 decks
13%synergy
Plaza of Heroes
17%inclusion25 decks145 decks
15%synergy
Scrubland
17%inclusion24 decks145 decks
3%synergy
Fabled Passage
16%inclusion23 decks145 decks
7%synergy
Lazotep Quarry
15%inclusion22 decks145 decks
14%synergy
Evolving Wilds
13%inclusion19 decks145 decks
-8%synergy
Prismatic Vista
12%inclusion18 decks145 decks
8%synergy
Reflecting Pool
12%inclusion17 decks145 decks
7%synergy