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
11%inclusion70 decks648 decks
Hei Bai, Spirit of Balance
1.0%inclusion2 decks196 decks
Top Commanders
Ratadrabik of Urborg
2.4%inclusion23 decks976 decks
Celes, Rune Knight
0.3%inclusion6 decks2.21K decks
Reyhan, Last of the Abzan // Yoshimaru, Ever Faithful
0.6%inclusion2 decks327 decks
Teysa Karlov
0.1%inclusion2 decks3.29K decks
Go-Shintai of Life's Origin
0.0%inclusion2 decks4.67K decks
Felisa, Fang of Silverquill
0.5%inclusion2 decks368 decks
Tayam, Luminous Enigma
0.1%inclusion2 decks1.39K decks
Ravos, Soultender // Tana, the Bloodsower
0.7%inclusion1 decks144 decks
Shanid, Sleepers' Scourge
0.2%inclusion1 decks430 decks
Nethroi, Apex of Death
0.1%inclusion1 decks1.14K decks
Kambal, Profiteering Mayor
0.1%inclusion1 decks949 decks
Piru, the Volatile
0.3%inclusion1 decks318 decks
Athreos, God of Passage
0.1%inclusion1 decks1.23K decks
Elas il-Kor, Sadistic Pilgrim
0.1%inclusion1 decks1.29K decks
New Cards
Master's Guidance
20%inclusion1 decks5 decks
19%synergy
The Legend of Kyoshi
20%inclusion1 decks5 decks
16%synergy
Emptiness
13%inclusion15 decks118 decks
13%synergy
Bitterbloom Bearer
12%inclusion14 decks118 decks
11%synergy
Fire Lord Zuko
9.1%inclusion1 decks11 decks
7%synergy
High Synergy Cards
Goblin Bombardment
82%inclusion9 decks11 decks
76%synergy
Murderous Redcap
73%inclusion8 decks11 decks
71%synergy
Elas il-Kor, Sadistic Pilgrim
76%inclusion90 decks118 decks
66%synergy
Ashnod's Altar
68%inclusion80 decks118 decks
61%synergy
Viscera Seer
66%inclusion78 decks118 decks
58%synergy
Bartolomé del Presidio
61%inclusion72 decks118 decks
56%synergy
Phyrexian Altar
57%inclusion67 decks118 decks
53%synergy
Zulaport Cutthroat
59%inclusion70 decks118 decks
51%synergy
Melira, Sylvok Outcast
50%inclusion4 decks8 decks
50%synergy
Cruel Celebrant
56%inclusion66 decks118 decks
48%synergy
Top Cards
Swords to Plowshares
59%inclusion70 decks118 decks
-2%synergy
Blood Artist
58%inclusion69 decks118 decks
47%synergy
Carrion Feeder
53%inclusion62 decks118 decks
48%synergy
Path to Exile
52%inclusion61 decks118 decks
5%synergy
Bastion of Remembrance
51%inclusion60 decks118 decks
44%synergy
The Great Henge
50%inclusion4 decks8 decks
41%synergy
Nature's Lore
50%inclusion4 decks8 decks
18%synergy
Luminous Broodmoth
47%inclusion56 decks118 decks
45%synergy
Anguished Unmaking
47%inclusion56 decks118 decks
23%synergy
Pitiless Plunderer
47%inclusion55 decks118 decks
38%synergy
Game Changers
Demonic Tutor
25%inclusion29 decks118 decks
5%synergy
Smothering Tithe
20%inclusion24 decks118 decks
-1%synergy
Teferi's Protection
19%inclusion23 decks118 decks
2%synergy
The One Ring
15%inclusion18 decks118 decks
7%synergy
Bolas's Citadel
14%inclusion17 decks118 decks
6%synergy
Vampiric Tutor
14%inclusion16 decks118 decks
-2%synergy
Ancient Tomb
11%inclusion13 decks118 decks
1%synergy
Necropotence
9.3%inclusion11 decks118 decks
4%synergy
Imperial Seal
6.8%inclusion8 decks118 decks
1%synergy
Chrome Mox
6.8%inclusion8 decks118 decks
1%synergy
Creatures
Warren Soultrader
46%inclusion54 decks118 decks
40%synergy
Mayhem Devil
45%inclusion5 decks11 decks
35%synergy
Umbral Collar Zealot
42%inclusion49 decks118 decks
39%synergy
Mikaeus, the Unhallowed
41%inclusion48 decks118 decks
38%synergy
Teysa Karlov
41%inclusion48 decks118 decks
36%synergy
Safehold Elite
38%inclusion3 decks8 decks
37%synergy
Kitchen Finks
38%inclusion3 decks8 decks
37%synergy
Arwen, Weaver of Hope
38%inclusion3 decks8 decks
35%synergy
Sakura-Tribe Elder
38%inclusion3 decks8 decks
21%synergy
Eternal Witness
38%inclusion3 decks8 decks
20%synergy
Yawgmoth, Thran Physician
36%inclusion43 decks118 decks
33%synergy
Chainer, Nightmare Adept
36%inclusion4 decks11 decks
32%synergy
Mahadi, Emporium Master
36%inclusion4 decks11 decks
31%synergy
Woe Strider
36%inclusion42 decks118 decks
34%synergy
Sephiroth, Fabled SOLDIER
36%inclusion42 decks118 decks
33%synergy
Elenda, the Dusk Rose
35%inclusion41 decks118 decks
29%synergy
Braids, Arisen Nightmare
33%inclusion39 decks118 decks
26%synergy
Marionette Apprentice
32%inclusion38 decks118 decks
27%synergy
Drivnod, Carnage Dominus
31%inclusion36 decks118 decks
28%synergy
Grim Haruspex
31%inclusion36 decks118 decks
27%synergy
Corpse Knight
31%inclusion36 decks118 decks
25%synergy
Junji, the Midnight Sky
29%inclusion34 decks118 decks
26%synergy
Loran of the Third Path
29%inclusion34 decks118 decks
22%synergy
Solemn Simulacrum
29%inclusion34 decks118 decks
16%synergy
Lotho, Corrupt Shirriff
28%inclusion33 decks118 decks
15%synergy
Furystoke Giant
27%inclusion3 decks11 decks
27%synergy
Thunderblust
27%inclusion3 decks11 decks
27%synergy
Alesha, Who Laughs at Fate
27%inclusion3 decks11 decks
23%synergy
Syr Konrad, the Grim
27%inclusion32 decks118 decks
19%synergy
Witch Enchanter
26%inclusion31 decks118 decks
19%synergy
Vengeful Bloodwitch
22%inclusion26 decks118 decks
20%synergy
Pawn of Ulamog
22%inclusion26 decks118 decks
20%synergy
Mondrak, Glory Dominus
22%inclusion26 decks118 decks
15%synergy
Midnight Reaper
21%inclusion25 decks118 decks
18%synergy
Gray Merchant of Asphodel
21%inclusion25 decks118 decks
13%synergy
Geralf's Messenger
20%inclusion24 decks118 decks
20%synergy
Ayara, First of Locthwain
20%inclusion24 decks118 decks
17%synergy
Kambal, Profiteering Mayor
20%inclusion24 decks118 decks
15%synergy
Scholar of New Horizons
19%inclusion23 decks118 decks
18%synergy
Gandalf the White
19%inclusion23 decks118 decks
18%synergy
Syr Vondam, Sunstar Exemplar
19%inclusion23 decks118 decks
17%synergy
Boromir, Warden of the Tower
19%inclusion23 decks118 decks
15%synergy
Sun Titan
19%inclusion23 decks118 decks
11%synergy
Esper Sentinel
19%inclusion23 decks118 decks
0%synergy
Morbid Opportunist
19%inclusion22 decks118 decks
11%synergy
Welcoming Vampire
18%inclusion21 decks118 decks
12%synergy
Ao, the Dawn Sky
17%inclusion20 decks118 decks
16%synergy
Accursed Marauder
17%inclusion20 decks118 decks
11%synergy
Teysa, Orzhov Scion
15%inclusion18 decks118 decks
14%synergy
Zack Fair
15%inclusion18 decks118 decks
13%synergy
Instants
Dark Ritual
42%inclusion49 decks118 decks
17%synergy
Assassin's Trophy
38%inclusion3 decks8 decks
7%synergy
Heroic Intervention
38%inclusion3 decks8 decks
7%synergy
Deadly Dispute
36%inclusion43 decks118 decks
24%synergy
Village Rites
33%inclusion39 decks118 decks
24%synergy
Despark
28%inclusion33 decks118 decks
14%synergy
Malakir Rebirth
25%inclusion30 decks118 decks
17%synergy
Fell the Profane
23%inclusion27 decks118 decks
14%synergy
Generous Gift
23%inclusion27 decks118 decks
0%synergy
Saw in Half
22%inclusion26 decks118 decks
18%synergy
Corrupted Conviction
20%inclusion24 decks118 decks
16%synergy
Deadly Rollick
19%inclusion22 decks118 decks
5%synergy
Flare of Fortitude
17%inclusion20 decks118 decks
13%synergy
Inkshield
17%inclusion20 decks118 decks
10%synergy
Nasty End
15%inclusion18 decks118 decks
13%synergy
Mortify
12%inclusion14 decks118 decks
1%synergy
Enlightened Tutor
12%inclusion14 decks118 decks
-4%synergy
Stroke of Midnight
11%inclusion13 decks118 decks
0%synergy
Plumb the Forbidden
10%inclusion12 decks118 decks
8%synergy
Redirect Lightning
9.1%inclusion1 decks11 decks
4%synergy
Fracture
8.5%inclusion10 decks118 decks
3%synergy
Clever Concealment
7.6%inclusion9 decks118 decks
3%synergy
Reprieve
7.6%inclusion9 decks118 decks
3%synergy
Dawn's Truce
7.6%inclusion9 decks118 decks
0%synergy
Duty Beyond Death
6.8%inclusion8 decks118 decks
5%synergy
Silence
6.8%inclusion8 decks118 decks
1%synergy
Flawless Maneuver
6.8%inclusion8 decks118 decks
-4%synergy
Sejiri Shelter
5.9%inclusion7 decks118 decks
3%synergy
Tragic Slip
5.9%inclusion7 decks118 decks
2%synergy
Imp's Mischief
5.9%inclusion7 decks118 decks
2%synergy
Culling the Weak
5.9%inclusion7 decks118 decks
2%synergy
Cauldron Haze
5.1%inclusion6 decks118 decks
5%synergy
Vanishing Verse
5.1%inclusion6 decks118 decks
4%synergy
Flare of Malice
5.1%inclusion6 decks118 decks
3%synergy
Entomb
5.1%inclusion6 decks118 decks
-2%synergy
Sorceries
Eerie Ultimatum
38%inclusion3 decks8 decks
26%synergy
Three Visits
38%inclusion3 decks8 decks
13%synergy
Farseek
38%inclusion3 decks8 decks
2%synergy
Cultivate
38%inclusion3 decks8 decks
-6%synergy
Victimize
36%inclusion43 decks118 decks
24%synergy
Damn
33%inclusion39 decks118 decks
18%synergy
Reanimate
30%inclusion35 decks118 decks
11%synergy
Blasphemous Act
27%inclusion3 decks11 decks
-6%synergy
Toxic Deluge
20%inclusion24 decks118 decks
2%synergy
Night's Whisper
19%inclusion23 decks118 decks
10%synergy
Diabolic Intent
18%inclusion21 decks118 decks
10%synergy
Austere Command
13%inclusion15 decks118 decks
1%synergy
Agadeem's Awakening
10%inclusion12 decks118 decks
7%synergy
Primevals' Glorious Rebirth
10%inclusion12 decks118 decks
7%synergy
Farewell
10%inclusion12 decks118 decks
-3%synergy
Sevinne's Reclamation
9.3%inclusion11 decks118 decks
2%synergy
Sign in Blood
9.3%inclusion11 decks118 decks
0%synergy
Dread Return
8.5%inclusion10 decks118 decks
3%synergy
Living Death
8.5%inclusion10 decks118 decks
3%synergy
Come Back Wrong
7.6%inclusion9 decks118 decks
7%synergy
Rite of Oblivion
6.8%inclusion8 decks118 decks
4%synergy
Insatiable Avarice
6.8%inclusion8 decks118 decks
4%synergy
Wrath of God
6.8%inclusion8 decks118 decks
2%synergy
Diabolic Tutor
5.9%inclusion7 decks118 decks
0%synergy
Blasphemous Edict
5.9%inclusion7 decks118 decks
0%synergy
Damnation
5.9%inclusion7 decks118 decks
-1%synergy
Morningtide's Light
5.1%inclusion6 decks118 decks
5%synergy
Urza's Ruinous Blast
5.1%inclusion6 decks118 decks
3%synergy
Unearth
5.1%inclusion6 decks118 decks
2%synergy
Read the Bones
5.1%inclusion6 decks118 decks
-1%synergy
Feed the Swarm
5.1%inclusion6 decks118 decks
-11%synergy
Utility Artifacts
Skullclamp
44%inclusion52 decks118 decks
33%synergy
Altar of Dementia
42%inclusion49 decks118 decks
39%synergy
Lightning Greaves
31%inclusion37 decks118 decks
6%synergy
Blasting Station
29%inclusion34 decks118 decks
28%synergy
Swiftfoot Boots
24%inclusion28 decks118 decks
-3%synergy
Spawning Pit
12%inclusion14 decks118 decks
11%synergy
Oketra's Monument
11%inclusion13 decks118 decks
9%synergy
Pearl Medallion
9.3%inclusion11 decks118 decks
7%synergy
Jet Medallion
8.5%inclusion10 decks118 decks
5%synergy
Wayfarer's Bauble
7.6%inclusion9 decks118 decks
0%synergy
Cauldron of Souls
6.8%inclusion8 decks118 decks
6%synergy
The Ozolith
6.8%inclusion8 decks118 decks
3%synergy
Altar of the Brood
5.9%inclusion7 decks118 decks
5%synergy
Archaeomancer's Map
5.9%inclusion7 decks118 decks
2%synergy
Wishclaw Talisman
5.1%inclusion6 decks118 decks
0%synergy
Enchantments
Master Chef
38%inclusion3 decks8 decks
36%synergy
Impact Tremors
36%inclusion4 decks11 decks
26%synergy
Cathars' Crusade
30%inclusion35 decks118 decks
24%synergy
The Meathook Massacre
28%inclusion33 decks118 decks
23%synergy
Phyrexian Arena
27%inclusion32 decks118 decks
11%synergy
Solemnity
25%inclusion29 decks118 decks
24%synergy
Black Market Connections
25%inclusion29 decks118 decks
13%synergy
Thran Vigil
20%inclusion24 decks118 decks
20%synergy
Grave Pact
20%inclusion24 decks118 decks
16%synergy
Bitterblossom
15%inclusion18 decks118 decks
11%synergy
Fanatical Devotion
11%inclusion13 decks118 decks
10%synergy
Animate Dead
11%inclusion13 decks118 decks
2%synergy
Funeral Room // Awakening Hall
10%inclusion12 decks118 decks
8%synergy
Call of the Ring
9.3%inclusion11 decks118 decks
7%synergy
Land Tax
8.5%inclusion10 decks118 decks
2%synergy
Anointed Procession
8.5%inclusion10 decks118 decks
1%synergy
Martyr's Cause
7.6%inclusion9 decks118 decks
7%synergy
Barrensteppe Siege
7.6%inclusion9 decks118 decks
6%synergy
Dictate of Erebos
7.6%inclusion9 decks118 decks
5%synergy
Felidar Retreat
7.6%inclusion9 decks118 decks
1%synergy
Sothera, the Supervoid
6.8%inclusion8 decks118 decks
6%synergy
Phyrexian Reclamation
6.8%inclusion8 decks118 decks
4%synergy
Flowering of the White Tree
6.8%inclusion8 decks118 decks
3%synergy
Renewed Solidarity
5.9%inclusion7 decks118 decks
4%synergy
Tocasia's Welcome
5.9%inclusion7 decks118 decks
3%synergy
Black Market
5.9%inclusion7 decks118 decks
2%synergy
Chthonian Nightmare
5.1%inclusion6 decks118 decks
4%synergy
Agent of the Iron Throne
5.1%inclusion6 decks118 decks
3%synergy
Caretaker's Talent
5.1%inclusion6 decks118 decks
1%synergy
Trouble in Pairs
5.1%inclusion6 decks118 decks
0%synergy
Planeswalkers
Liliana, Dreadhorde General
11%inclusion13 decks118 decks
7%synergy
Elspeth, Storm Slayer
10%inclusion12 decks118 decks
5%synergy
Utility Lands
Phyrexian Tower
52%inclusion61 decks118 decks
43%synergy
Urborg, Tomb of Yawgmoth
36%inclusion42 decks118 decks
27%synergy
Bojuka Bog
34%inclusion40 decks118 decks
4%synergy
High Market
31%inclusion37 decks118 decks
29%synergy
Takenuma, Abandoned Mire
21%inclusion25 decks118 decks
12%synergy
Eiganjo, Seat of the Empire
19%inclusion23 decks118 decks
12%synergy
Susur Secundi, Void Altar
19%inclusion22 decks118 decks
16%synergy
Reliquary Tower
19%inclusion22 decks118 decks
-11%synergy
Vault of the Archangel
18%inclusion21 decks118 decks
6%synergy
Westvale Abbey
16%inclusion19 decks118 decks
14%synergy
Midgar, City of Mako
14%inclusion17 decks118 decks
10%synergy
Cabal Coffers
14%inclusion17 decks118 decks
5%synergy
Spymaster's Vault
10%inclusion12 decks118 decks
7%synergy
Command Beacon
10%inclusion12 decks118 decks
5%synergy
Shizo, Death's Storehouse
9.3%inclusion11 decks118 decks
5%synergy
Minas Tirith
9.3%inclusion11 decks118 decks
3%synergy
Castle Locthwain
7.6%inclusion9 decks118 decks
4%synergy
Nykthos, Shrine to Nyx
7.6%inclusion9 decks118 decks
2%synergy
Abandoned Air Temple
7.1%inclusion3 decks42 decks
2%synergy
Monumental Henge
6.8%inclusion8 decks118 decks
4%synergy
Accursed Duneyard
5.1%inclusion6 decks118 decks
4%synergy
Barad-dûr
5.1%inclusion6 decks118 decks
3%synergy
Rogue's Passage
5.1%inclusion6 decks118 decks
-15%synergy
Mana Artifacts
Sol Ring
88%inclusion104 decks118 decks
4%synergy
Arcane Signet
84%inclusion99 decks118 decks
12%synergy
Talisman of Hierarchy
55%inclusion65 decks118 decks
29%synergy
Orzhov Signet
51%inclusion60 decks118 decks
27%synergy
Fellwar Stone
29%inclusion34 decks118 decks
8%synergy
Boros Signet
27%inclusion3 decks11 decks
7%synergy
Rakdos Signet
27%inclusion3 decks11 decks
1%synergy
Talisman of Indulgence
27%inclusion3 decks11 decks
-1%synergy
The Soul Stone
22%inclusion26 decks118 decks
18%synergy
Relic of Legends
19%inclusion23 decks118 decks
17%synergy
Mind Stone
17%inclusion20 decks118 decks
2%synergy
Thought Vessel
14%inclusion17 decks118 decks
-3%synergy
Mox Amber
10%inclusion12 decks118 decks
6%synergy
Commander's Sphere
5.9%inclusion7 decks118 decks
-7%synergy
Honor-Worn Shaku
5.1%inclusion6 decks118 decks
5%synergy
Lotus Petal
5.1%inclusion6 decks118 decks
-2%synergy
Lands
Command Tower
90%inclusion106 decks118 decks
16%synergy
Isolated Chapel
76%inclusion90 decks118 decks
43%synergy
Godless Shrine
75%inclusion89 decks118 decks
35%synergy
Caves of Koilos
64%inclusion75 decks118 decks
34%synergy
Sandsteppe Citadel
63%inclusion5 decks8 decks
37%synergy
Temple Garden
63%inclusion5 decks8 decks
24%synergy
Overgrown Tomb
63%inclusion5 decks8 decks
22%synergy
Savai Triome
55%inclusion6 decks11 decks
30%synergy
Dragonskull Summit
55%inclusion6 decks11 decks
20%synergy
Clifftop Retreat
55%inclusion6 decks11 decks
20%synergy
Sacred Foundry
55%inclusion6 decks11 decks
18%synergy
Blood Crypt
55%inclusion6 decks11 decks
17%synergy
Shattered Sanctum
54%inclusion64 decks118 decks
40%synergy
Fetid Heath
53%inclusion63 decks118 decks
40%synergy
Vault of Champions
53%inclusion62 decks118 decks
28%synergy
Tainted Field
46%inclusion54 decks118 decks
33%synergy
Bleachbone Verge
45%inclusion53 decks118 decks
37%synergy
Marsh Flats
43%inclusion51 decks118 decks
33%synergy
Sunpetal Grove
38%inclusion3 decks8 decks
10%synergy
Indatha Triome
38%inclusion3 decks8 decks
9%synergy
Woodland Cemetery
38%inclusion3 decks8 decks
6%synergy
Canopy Vista
38%inclusion3 decks8 decks
1%synergy
Battlefield Forge
36%inclusion4 decks11 decks
8%synergy
Smoldering Marsh
36%inclusion4 decks11 decks
3%synergy
Brightclimb Pathway
35%inclusion41 decks118 decks
26%synergy
Shineshadow Snarl
35%inclusion41 decks118 decks
22%synergy
Exotic Orchard
35%inclusion41 decks118 decks
-2%synergy
Shadowy Backstreet
33%inclusion39 decks118 decks
23%synergy
Temple of Silence
28%inclusion33 decks118 decks
10%synergy
Rugged Prairie
27%inclusion3 decks11 decks
13%synergy
Sulfurous Springs
27%inclusion3 decks11 decks
4%synergy
Spectator Seating
27%inclusion3 decks11 decks
4%synergy
Luxury Suite
27%inclusion3 decks11 decks
3%synergy
Nomad Outpost
27%inclusion3 decks11 decks
-2%synergy
Orzhov Basilica
26%inclusion31 decks118 decks
11%synergy
Concealed Courtyard
25%inclusion30 decks118 decks
20%synergy
Silent Clearing
21%inclusion25 decks118 decks
17%synergy
Desolate Mire
21%inclusion25 decks118 decks
15%synergy
Scrubland
17%inclusion20 decks118 decks
3%synergy
Lazotep Quarry
16%inclusion19 decks118 decks
15%synergy
Fabled Passage
16%inclusion19 decks118 decks
7%synergy
Plaza of Heroes
15%inclusion18 decks118 decks
13%synergy
Evolving Wilds
13%inclusion15 decks118 decks
-8%synergy
Prismatic Vista
12%inclusion14 decks118 decks
7%synergy
Reflecting Pool
11%inclusion13 decks118 decks
6%synergy
Terramorphic Expanse
11%inclusion13 decks118 decks
-4%synergy
The Grey Havens
10%inclusion12 decks118 decks
9%synergy
Arid Mesa
10%inclusion12 decks118 decks
0%synergy
Verdant Catacombs
9.3%inclusion11 decks118 decks
-2%synergy
Bloodstained Mire
9.3%inclusion11 decks118 decks
-2%synergy