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%inclusion91 decks832 decks
Hei Bai, Spirit of Balance
0.8%inclusion2 decks257 decks
Top Commanders
Ratadrabik of Urborg
2.5%inclusion30 decks1.20K decks
Celes, Rune Knight
0.3%inclusion8 decks2.67K decks
Reyhan, Last of the Abzan // Yoshimaru, Ever Faithful
0.8%inclusion3 decks397 decks
Edgar Markov
0.0%inclusion2 decks9.41K decks
Teysa Karlov
0.1%inclusion2 decks4K decks
Go-Shintai of Life's Origin
0.0%inclusion2 decks5.56K decks
Felisa, Fang of Silverquill
0.4%inclusion2 decks453 decks
Tayam, Luminous Enigma
0.1%inclusion2 decks1.67K decks
Ravos, Soultender // Tana, the Bloodsower
0.6%inclusion1 decks167 decks
Shanid, Sleepers' Scourge
0.2%inclusion1 decks496 decks
Nethroi, Apex of Death
0.1%inclusion1 decks1.44K decks
Elenda, the Dusk Rose
0.1%inclusion1 decks1.23K decks
Carmen, Cruel Skymarcher
0.1%inclusion1 decks818 decks
Karador, Ghost Chieftain
0.1%inclusion1 decks1.22K decks
Nevinyrral, Urborg Tyrant
0.3%inclusion1 decks325 decks
Kambal, Profiteering Mayor
0.1%inclusion1 decks1.17K decks
New Cards
Ba Sing Se
14%inclusion1 decks7 decks
8%synergy
Dai Li Agents
14%inclusion1 decks7 decks
13%synergy
Solid Ground
14%inclusion1 decks7 decks
13%synergy
Master's Guidance
14%inclusion1 decks7 decks
14%synergy
The Legend of Kyoshi
14%inclusion1 decks7 decks
11%synergy
High Synergy Cards
Elas il-Kor, Sadistic Pilgrim
73%inclusion113 decks155 decks
63%synergy
Goblin Bombardment
67%inclusion10 decks15 decks
61%synergy
Viscera Seer
68%inclusion106 decks155 decks
60%synergy
Ashnod's Altar
65%inclusion101 decks155 decks
59%synergy
Murderous Redcap
60%inclusion9 decks15 decks
58%synergy
Bartolomé del Presidio
62%inclusion96 decks155 decks
57%synergy
Phyrexian Altar
55%inclusion85 decks155 decks
51%synergy
Zulaport Cutthroat
57%inclusion88 decks155 decks
48%synergy
Blood Artist
56%inclusion87 decks155 decks
45%synergy
Cruel Celebrant
51%inclusion79 decks155 decks
43%synergy
Top Cards
Swords to Plowshares
61%inclusion94 decks155 decks
-1%synergy
Path to Exile
50%inclusion77 decks155 decks
3%synergy
Pitiless Plunderer
48%inclusion75 decks155 decks
40%synergy
Carrion Feeder
48%inclusion74 decks155 decks
43%synergy
Bastion of Remembrance
46%inclusion72 decks155 decks
40%synergy
Luminous Broodmoth
46%inclusion71 decks155 decks
43%synergy
Anguished Unmaking
46%inclusion71 decks155 decks
21%synergy
Warren Soultrader
45%inclusion69 decks155 decks
39%synergy
Dark Ritual
45%inclusion69 decks155 decks
20%synergy
Skullclamp
44%inclusion68 decks155 decks
33%synergy
Game Changers
Demonic Tutor
25%inclusion39 decks155 decks
6%synergy
Teferi's Protection
23%inclusion35 decks155 decks
6%synergy
Smothering Tithe
22%inclusion34 decks155 decks
0%synergy
Vampiric Tutor
15%inclusion24 decks155 decks
0%synergy
Bolas's Citadel
13%inclusion20 decks155 decks
5%synergy
The One Ring
12%inclusion19 decks155 decks
4%synergy
Necropotence
10%inclusion16 decks155 decks
5%synergy
Ancient Tomb
9.0%inclusion14 decks155 decks
0%synergy
Imperial Seal
5.8%inclusion9 decks155 decks
0%synergy
Chrome Mox
5.8%inclusion9 decks155 decks
0%synergy
Creatures
Mikaeus, the Unhallowed
41%inclusion64 decks155 decks
39%synergy
Umbral Collar Zealot
41%inclusion63 decks155 decks
38%synergy
Melira, Sylvok Outcast
40%inclusion4 decks10 decks
40%synergy
Mayhem Devil
40%inclusion6 decks15 decks
30%synergy
Sakura-Tribe Elder
40%inclusion4 decks10 decks
23%synergy
Eternal Witness
40%inclusion4 decks10 decks
23%synergy
Teysa Karlov
39%inclusion61 decks155 decks
35%synergy
Woe Strider
36%inclusion56 decks155 decks
34%synergy
Yawgmoth, Thran Physician
36%inclusion56 decks155 decks
33%synergy
Sephiroth, Fabled SOLDIER
34%inclusion53 decks155 decks
32%synergy
Elenda, the Dusk Rose
34%inclusion53 decks155 decks
29%synergy
Marionette Apprentice
32%inclusion49 decks155 decks
27%synergy
Braids, Arisen Nightmare
32%inclusion49 decks155 decks
24%synergy
Loran of the Third Path
31%inclusion48 decks155 decks
24%synergy
Grim Haruspex
30%inclusion47 decks155 decks
27%synergy
Safehold Elite
30%inclusion3 decks10 decks
30%synergy
Kitchen Finks
30%inclusion3 decks10 decks
30%synergy
Arwen, Weaver of Hope
30%inclusion3 decks10 decks
28%synergy
Hamza, Guardian of Arashin
30%inclusion3 decks10 decks
28%synergy
Skull Prophet
30%inclusion3 decks10 decks
24%synergy
Drivnod, Carnage Dominus
28%inclusion44 decks155 decks
26%synergy
Junji, the Midnight Sky
28%inclusion44 decks155 decks
26%synergy
Corpse Knight
28%inclusion44 decks155 decks
23%synergy
Syr Konrad, the Grim
28%inclusion44 decks155 decks
20%synergy
Solemn Simulacrum
28%inclusion44 decks155 decks
16%synergy
Lotho, Corrupt Shirriff
28%inclusion44 decks155 decks
15%synergy
Witch Enchanter
27%inclusion42 decks155 decks
20%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
Mondrak, Glory Dominus
23%inclusion36 decks155 decks
17%synergy
Pawn of Ulamog
23%inclusion35 decks155 decks
21%synergy
Gray Merchant of Asphodel
22%inclusion34 decks155 decks
13%synergy
Geralf's Messenger
21%inclusion33 decks155 decks
21%synergy
Morbid Opportunist
21%inclusion33 decks155 decks
14%synergy
Ayara, First of Locthwain
21%inclusion32 decks155 decks
17%synergy
Kambal, Profiteering Mayor
21%inclusion32 decks155 decks
15%synergy
Welcoming Vampire
21%inclusion32 decks155 decks
15%synergy
Sun Titan
21%inclusion32 decks155 decks
12%synergy
Esper Sentinel
21%inclusion32 decks155 decks
2%synergy
Furystoke Giant
20%inclusion3 decks15 decks
20%synergy
Thunderblust
20%inclusion3 decks15 decks
20%synergy
Terra, Herald of Hope
20%inclusion3 decks15 decks
19%synergy
Scholar of New Horizons
20%inclusion31 decks155 decks
19%synergy
Vengeful Bloodwitch
20%inclusion31 decks155 decks
18%synergy
Syr Vondam, Sunstar Exemplar
20%inclusion31 decks155 decks
18%synergy
Midnight Reaper
20%inclusion31 decks155 decks
17%synergy
Ao, the Dawn Sky
19%inclusion30 decks155 decks
19%synergy
Boromir, Warden of the Tower
19%inclusion29 decks155 decks
15%synergy
Accursed Marauder
19%inclusion29 decks155 decks
13%synergy
Instants
Heroic Intervention
40%inclusion4 decks10 decks
10%synergy
Deadly Dispute
36%inclusion56 decks155 decks
24%synergy
Village Rites
34%inclusion53 decks155 decks
25%synergy
Revitalizing Repast
30%inclusion3 decks10 decks
22%synergy
Assassin's Trophy
30%inclusion3 decks10 decks
0%synergy
Malakir Rebirth
28%inclusion44 decks155 decks
20%synergy
Despark
24%inclusion37 decks155 decks
10%synergy
Saw in Half
22%inclusion34 decks155 decks
18%synergy
Fell the Profane
22%inclusion34 decks155 decks
13%synergy
Generous Gift
22%inclusion34 decks155 decks
-1%synergy
Flare of Fortitude
21%inclusion33 decks155 decks
17%synergy
Corrupted Conviction
21%inclusion32 decks155 decks
16%synergy
Deadly Rollick
21%inclusion32 decks155 decks
7%synergy
Deflecting Swat
20%inclusion3 decks15 decks
3%synergy
Inkshield
17%inclusion26 decks155 decks
10%synergy
Nasty End
15%inclusion24 decks155 decks
14%synergy
Redirect Lightning
13%inclusion2 decks15 decks
8%synergy
Enlightened Tutor
12%inclusion19 decks155 decks
-3%synergy
Mortify
10%inclusion16 decks155 decks
-1%synergy
Plumb the Forbidden
10%inclusion15 decks155 decks
7%synergy
Fracture
9.0%inclusion14 decks155 decks
4%synergy
Flawless Maneuver
9.0%inclusion14 decks155 decks
-1%synergy
Stroke of Midnight
9.0%inclusion14 decks155 decks
-1%synergy
Culling the Weak
8.4%inclusion13 decks155 decks
4%synergy
Clever Concealment
8.4%inclusion13 decks155 decks
4%synergy
Reprieve
7.7%inclusion12 decks155 decks
3%synergy
Flare of Malice
7.1%inclusion11 decks155 decks
5%synergy
Cauldron Haze
6.5%inclusion10 decks155 decks
6%synergy
Tragic Slip
6.5%inclusion10 decks155 decks
3%synergy
Imp's Mischief
6.5%inclusion10 decks155 decks
3%synergy
Dawn's Truce
6.5%inclusion10 decks155 decks
-1%synergy
Duty Beyond Death
5.8%inclusion9 decks155 decks
4%synergy
Silence
5.8%inclusion9 decks155 decks
0%synergy
Sejiri Shelter
5.2%inclusion8 decks155 decks
2%synergy
Entomb
5.2%inclusion8 decks155 decks
-2%synergy
Sorceries
Nature's Lore
40%inclusion4 decks10 decks
8%synergy
Blasphemous Act
40%inclusion6 decks15 decks
7%synergy
Victimize
38%inclusion59 decks155 decks
26%synergy
Damn
33%inclusion51 decks155 decks
17%synergy
Reanimate
32%inclusion49 decks155 decks
13%synergy
Eerie Ultimatum
30%inclusion3 decks10 decks
19%synergy
Three Visits
30%inclusion3 decks10 decks
6%synergy
Farseek
30%inclusion3 decks10 decks
-6%synergy
Cultivate
30%inclusion3 decks10 decks
-13%synergy
Night's Whisper
19%inclusion29 decks155 decks
10%synergy
Toxic Deluge
19%inclusion29 decks155 decks
0%synergy
Diabolic Intent
17%inclusion26 decks155 decks
9%synergy
Austere Command
14%inclusion22 decks155 decks
2%synergy
Agadeem's Awakening
14%inclusion21 decks155 decks
10%synergy
Living Death
12%inclusion18 decks155 decks
6%synergy
Primevals' Glorious Rebirth
11%inclusion17 decks155 decks
8%synergy
Sign in Blood
11%inclusion17 decks155 decks
2%synergy
Farewell
11%inclusion17 decks155 decks
-2%synergy
Sevinne's Reclamation
10%inclusion15 decks155 decks
2%synergy
Come Back Wrong
7.7%inclusion12 decks155 decks
7%synergy
Blasphemous Edict
7.7%inclusion12 decks155 decks
2%synergy
Rite of Oblivion
7.1%inclusion11 decks155 decks
5%synergy
Dread Return
7.1%inclusion11 decks155 decks
2%synergy
Insatiable Avarice
6.5%inclusion10 decks155 decks
4%synergy
Wrath of God
6.5%inclusion10 decks155 decks
1%synergy
Morningtide's Light
5.8%inclusion9 decks155 decks
6%synergy
Urza's Ruinous Blast
5.8%inclusion9 decks155 decks
3%synergy
Diabolic Tutor
5.8%inclusion9 decks155 decks
0%synergy
Damnation
5.2%inclusion8 decks155 decks
-2%synergy
Utility Artifacts
The Great Henge
40%inclusion4 decks10 decks
31%synergy
Altar of Dementia
37%inclusion57 decks155 decks
35%synergy
Lightning Greaves
30%inclusion47 decks155 decks
5%synergy
Blasting Station
26%inclusion40 decks155 decks
25%synergy
Swiftfoot Boots
24%inclusion37 decks155 decks
-3%synergy
Oketra's Monument
10%inclusion16 decks155 decks
9%synergy
Jet Medallion
10%inclusion16 decks155 decks
7%synergy
Spawning Pit
10%inclusion15 decks155 decks
9%synergy
Pearl Medallion
10%inclusion15 decks155 decks
7%synergy
Cauldron of Souls
8.4%inclusion13 decks155 decks
8%synergy
The Ozolith
7.1%inclusion11 decks155 decks
4%synergy
Archaeomancer's Map
6.5%inclusion10 decks155 decks
3%synergy
Wayfarer's Bauble
6.5%inclusion10 decks155 decks
-1%synergy
Altar of the Brood
5.8%inclusion9 decks155 decks
5%synergy
Blade of Selves
5.2%inclusion8 decks155 decks
4%synergy
Enchantments
Master Chef
40%inclusion4 decks10 decks
39%synergy
Cathars' Crusade
31%inclusion48 decks155 decks
26%synergy
The Meathook Massacre
27%inclusion42 decks155 decks
22%synergy
Impact Tremors
27%inclusion4 decks15 decks
17%synergy
Phyrexian Arena
26%inclusion41 decks155 decks
11%synergy
Solemnity
25%inclusion38 decks155 decks
24%synergy
Grave Pact
23%inclusion36 decks155 decks
19%synergy
Black Market Connections
23%inclusion36 decks155 decks
11%synergy
Thran Vigil
21%inclusion32 decks155 decks
20%synergy
Bitterblossom
14%inclusion22 decks155 decks
10%synergy
Animate Dead
13%inclusion20 decks155 decks
4%synergy
Land Tax
12%inclusion18 decks155 decks
5%synergy
Dictate of Erebos
10%inclusion16 decks155 decks
7%synergy
Fanatical Devotion
10%inclusion15 decks155 decks
9%synergy
Funeral Room // Awakening Hall
10%inclusion15 decks155 decks
8%synergy
Call of the Ring
10%inclusion15 decks155 decks
7%synergy
Anointed Procession
9.0%inclusion14 decks155 decks
2%synergy
Martyr's Cause
7.7%inclusion12 decks155 decks
7%synergy
Barrensteppe Siege
7.7%inclusion12 decks155 decks
6%synergy
Renewed Solidarity
7.7%inclusion12 decks155 decks
6%synergy
Black Market
7.1%inclusion11 decks155 decks
3%synergy
Trouble in Pairs
6.5%inclusion10 decks155 decks
2%synergy
Felidar Retreat
6.5%inclusion10 decks155 decks
0%synergy
Sothera, the Supervoid
5.8%inclusion9 decks155 decks
5%synergy
Vampiric Rites
5.8%inclusion9 decks155 decks
3%synergy
Phyrexian Reclamation
5.8%inclusion9 decks155 decks
3%synergy
Flowering of the White Tree
5.8%inclusion9 decks155 decks
2%synergy
Caretaker's Talent
5.8%inclusion9 decks155 decks
1%synergy
Chthonian Nightmare
5.2%inclusion8 decks155 decks
4%synergy
Planeswalkers
Liliana, Dreadhorde General
13%inclusion20 decks155 decks
9%synergy
Elspeth, Storm Slayer
10%inclusion15 decks155 decks
5%synergy
Utility Lands
Phyrexian Tower
52%inclusion81 decks155 decks
43%synergy
Urborg, Tomb of Yawgmoth
37%inclusion57 decks155 decks
28%synergy
Bojuka Bog
35%inclusion55 decks155 decks
6%synergy
High Market
32%inclusion50 decks155 decks
30%synergy
Takenuma, Abandoned Mire
23%inclusion35 decks155 decks
14%synergy
Reliquary Tower
21%inclusion32 decks155 decks
-9%synergy
Eiganjo, Seat of the Empire
19%inclusion30 decks155 decks
12%synergy
Susur Secundi, Void Altar
19%inclusion29 decks155 decks
16%synergy
Vault of the Archangel
18%inclusion28 decks155 decks
6%synergy
Cabal Coffers
15%inclusion23 decks155 decks
5%synergy
Westvale Abbey
13%inclusion20 decks155 decks
11%synergy
Midgar, City of Mako
13%inclusion20 decks155 decks
9%synergy
Command Beacon
10%inclusion15 decks155 decks
5%synergy
Spymaster's Vault
9.0%inclusion14 decks155 decks
6%synergy
Shizo, Death's Storehouse
9.0%inclusion14 decks155 decks
5%synergy
Minas Tirith
9.0%inclusion14 decks155 decks
2%synergy
Abandoned Air Temple
7.6%inclusion6 decks79 decks
2%synergy
Monumental Henge
7.1%inclusion11 decks155 decks
5%synergy
Castle Locthwain
7.1%inclusion11 decks155 decks
3%synergy
Nykthos, Shrine to Nyx
7.1%inclusion11 decks155 decks
2%synergy
Mana Artifacts
Sol Ring
87%inclusion135 decks155 decks
3%synergy
Arcane Signet
85%inclusion131 decks155 decks
12%synergy
Talisman of Hierarchy
52%inclusion80 decks155 decks
25%synergy
Orzhov Signet
49%inclusion76 decks155 decks
25%synergy
Talisman of Indulgence
33%inclusion5 decks15 decks
5%synergy
Talisman of Conviction
27%inclusion4 decks15 decks
2%synergy
Fellwar Stone
26%inclusion40 decks155 decks
5%synergy
The Soul Stone
23%inclusion36 decks155 decks
19%synergy
Boros Signet
20%inclusion3 decks15 decks
0%synergy
Rakdos Signet
20%inclusion3 decks15 decks
-6%synergy
Relic of Legends
19%inclusion29 decks155 decks
16%synergy
Thought Vessel
15%inclusion23 decks155 decks
-3%synergy
Mind Stone
14%inclusion22 decks155 decks
-1%synergy
Mox Amber
7.7%inclusion12 decks155 decks
3%synergy
Lands
Raffine's Tower
100%inclusion3 decks3 decks
75%synergy
Hallowed Fountain
100%inclusion3 decks3 decks
61%synergy
Watery Grave
100%inclusion3 decks3 decks
59%synergy
Command Tower
90%inclusion139 decks155 decks
15%synergy
Isolated Chapel
75%inclusion117 decks155 decks
42%synergy
Godless Shrine
75%inclusion116 decks155 decks
34%synergy
Temple Garden
70%inclusion7 decks10 decks
32%synergy
Overgrown Tomb
70%inclusion7 decks10 decks
30%synergy
Caves of Koilos
61%inclusion95 decks155 decks
32%synergy
Savai Triome
60%inclusion9 decks15 decks
35%synergy
Sandsteppe Citadel
60%inclusion6 decks10 decks
34%synergy
Sacred Foundry
60%inclusion9 decks15 decks
24%synergy
Blood Crypt
60%inclusion9 decks15 decks
23%synergy
Shattered Sanctum
55%inclusion85 decks155 decks
40%synergy
Fetid Heath
54%inclusion83 decks155 decks
41%synergy
Vault of Champions
54%inclusion83 decks155 decks
29%synergy
Dragonskull Summit
53%inclusion8 decks15 decks
19%synergy
Clifftop Retreat
53%inclusion8 decks15 decks
19%synergy
Sunpetal Grove
50%inclusion5 decks10 decks
22%synergy
Tainted Field
46%inclusion71 decks155 decks
33%synergy
Marsh Flats
45%inclusion69 decks155 decks
34%synergy
Bleachbone Verge
43%inclusion67 decks155 decks
35%synergy
Spectator Seating
40%inclusion6 decks15 decks
17%synergy
Luxury Suite
40%inclusion6 decks15 decks
16%synergy
Indatha Triome
40%inclusion4 decks10 decks
12%synergy
Woodland Cemetery
40%inclusion4 decks10 decks
9%synergy
Canopy Vista
40%inclusion4 decks10 decks
4%synergy
Exotic Orchard
35%inclusion55 decks155 decks
-1%synergy
Brightclimb Pathway
33%inclusion51 decks155 decks
24%synergy
Shadowy Backstreet
33%inclusion51 decks155 decks
23%synergy
Shineshadow Snarl
33%inclusion51 decks155 decks
20%synergy
Orzhov Basilica
30%inclusion47 decks155 decks
16%synergy
Deathcap Glade
30%inclusion3 decks10 decks
17%synergy
Overgrown Farmland
30%inclusion3 decks10 decks
13%synergy
Brushland
30%inclusion3 decks10 decks
11%synergy
Bountiful Promenade
30%inclusion3 decks10 decks
8%synergy
Llanowar Wastes
30%inclusion3 decks10 decks
3%synergy
Temple of Silence
28%inclusion43 decks155 decks
10%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%inclusion36 decks155 decks
17%synergy
Desolate Mire
22%inclusion34 decks155 decks
16%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
17%inclusion27 decks155 decks
13%synergy