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%inclusion99 decks880 decks
Hei Bai, Spirit of Balance
0.8%inclusion2 decks263 decks
Top Commanders
Ratadrabik of Urborg
2.6%inclusion32 decks1.22K decks
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0.3%inclusion9 decks2.71K decks
Reyhan, Last of the Abzan // Yoshimaru, Ever Faithful
0.7%inclusion3 decks407 decks
Teysa Karlov
0.1%inclusion3 decks4.08K decks
Edgar Markov
0.0%inclusion2 decks9.59K decks
Go-Shintai of Life's Origin
0.0%inclusion2 decks5.65K decks
Felisa, Fang of Silverquill
0.4%inclusion2 decks463 decks
Tayam, Luminous Enigma
0.1%inclusion2 decks1.71K decks
Ravos, Soultender // Tana, the Bloodsower
0.6%inclusion1 decks170 decks
Shanid, Sleepers' Scourge
0.2%inclusion1 decks499 decks
Nethroi, Apex of Death
0.1%inclusion1 decks1.47K decks
Elenda, the Dusk Rose
0.1%inclusion1 decks1.25K decks
Carmen, Cruel Skymarcher
0.1%inclusion1 decks830 decks
Karador, Ghost Chieftain
0.1%inclusion1 decks1.24K decks
Nevinyrral, Urborg Tyrant
0.3%inclusion1 decks332 decks
Kambal, Profiteering Mayor
0.1%inclusion1 decks1.20K decks
New Cards
Emptiness
16%inclusion27 decks167 decks
16%synergy
Bitterbloom Bearer
14%inclusion24 decks167 decks
14%synergy
Ba Sing Se
14%inclusion1 decks7 decks
9%synergy
Dai Li Agents
14%inclusion1 decks7 decks
13%synergy
Solid Ground
14%inclusion1 decks7 decks
13%synergy
High Synergy Cards
Goblin Bombardment
69%inclusion11 decks16 decks
63%synergy
Elas il-Kor, Sadistic Pilgrim
72%inclusion121 decks167 decks
63%synergy
Murderous Redcap
63%inclusion10 decks16 decks
61%synergy
Viscera Seer
69%inclusion115 decks167 decks
61%synergy
Ashnod's Altar
65%inclusion108 decks167 decks
58%synergy
Bartolomé del Presidio
62%inclusion104 decks167 decks
58%synergy
Phyrexian Altar
54%inclusion90 decks167 decks
50%synergy
Zulaport Cutthroat
58%inclusion97 decks167 decks
49%synergy
Blood Artist
56%inclusion94 decks167 decks
45%synergy
Cruel Celebrant
52%inclusion87 decks167 decks
44%synergy
Top Cards
Swords to Plowshares
63%inclusion105 decks167 decks
1%synergy
Path to Exile
51%inclusion86 decks167 decks
4%synergy
Carrion Feeder
49%inclusion81 decks167 decks
44%synergy
Bastion of Remembrance
49%inclusion81 decks167 decks
42%synergy
Pitiless Plunderer
49%inclusion81 decks167 decks
40%synergy
Anguished Unmaking
48%inclusion80 decks167 decks
23%synergy
Luminous Broodmoth
46%inclusion77 decks167 decks
44%synergy
Skullclamp
46%inclusion76 decks167 decks
34%synergy
Mayhem Devil
44%inclusion7 decks16 decks
34%synergy
Blasphemous Act
44%inclusion7 decks16 decks
11%synergy
Game Changers
Demonic Tutor
25%inclusion42 decks167 decks
5%synergy
Teferi's Protection
23%inclusion39 decks167 decks
6%synergy
Smothering Tithe
22%inclusion37 decks167 decks
0%synergy
Gamble
19%inclusion3 decks16 decks
10%synergy
Vampiric Tutor
16%inclusion26 decks167 decks
0%synergy
Bolas's Citadel
14%inclusion23 decks167 decks
6%synergy
The One Ring
13%inclusion21 decks167 decks
4%synergy
Necropotence
11%inclusion18 decks167 decks
5%synergy
Ancient Tomb
10%inclusion16 decks167 decks
0%synergy
Imperial Seal
6.0%inclusion10 decks167 decks
1%synergy
Creatures
Warren Soultrader
43%inclusion72 decks167 decks
38%synergy
Umbral Collar Zealot
42%inclusion70 decks167 decks
39%synergy
Mikaeus, the Unhallowed
41%inclusion68 decks167 decks
38%synergy
Teysa Karlov
40%inclusion67 decks167 decks
35%synergy
Melira, Sylvok Outcast
40%inclusion4 decks10 decks
40%synergy
Sakura-Tribe Elder
40%inclusion4 decks10 decks
23%synergy
Eternal Witness
40%inclusion4 decks10 decks
23%synergy
Woe Strider
37%inclusion62 decks167 decks
35%synergy
Yawgmoth, Thran Physician
35%inclusion59 decks167 decks
32%synergy
Elenda, the Dusk Rose
35%inclusion58 decks167 decks
29%synergy
Sephiroth, Fabled SOLDIER
34%inclusion57 decks167 decks
32%synergy
Grim Haruspex
32%inclusion53 decks167 decks
29%synergy
Marionette Apprentice
32%inclusion53 decks167 decks
27%synergy
Braids, Arisen Nightmare
32%inclusion53 decks167 decks
25%synergy
Loran of the Third Path
31%inclusion52 decks167 decks
24%synergy
Solemn Simulacrum
31%inclusion51 decks167 decks
18%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
Corpse Knight
30%inclusion50 decks167 decks
24%synergy
Syr Konrad, the Grim
29%inclusion49 decks167 decks
21%synergy
Junji, the Midnight Sky
29%inclusion48 decks167 decks
26%synergy
Lotho, Corrupt Shirriff
29%inclusion48 decks167 decks
15%synergy
Drivnod, Carnage Dominus
27%inclusion45 decks167 decks
25%synergy
Witch Enchanter
26%inclusion44 decks167 decks
19%synergy
Furystoke Giant
25%inclusion4 decks16 decks
25%synergy
Thunderblust
25%inclusion4 decks16 decks
25%synergy
Alesha, Who Laughs at Fate
25%inclusion4 decks16 decks
21%synergy
Chainer, Nightmare Adept
25%inclusion4 decks16 decks
21%synergy
Mahadi, Emporium Master
25%inclusion4 decks16 decks
19%synergy
Pawn of Ulamog
23%inclusion39 decks167 decks
21%synergy
Gray Merchant of Asphodel
23%inclusion39 decks167 decks
15%synergy
Geralf's Messenger
23%inclusion38 decks167 decks
22%synergy
Mondrak, Glory Dominus
23%inclusion38 decks167 decks
16%synergy
Sun Titan
23%inclusion38 decks167 decks
14%synergy
Morbid Opportunist
22%inclusion37 decks167 decks
15%synergy
Vengeful Bloodwitch
22%inclusion36 decks167 decks
20%synergy
Esper Sentinel
22%inclusion36 decks167 decks
2%synergy
Accursed Marauder
21%inclusion35 decks167 decks
15%synergy
Midnight Reaper
20%inclusion34 decks167 decks
17%synergy
Welcoming Vampire
20%inclusion34 decks167 decks
14%synergy
Scholar of New Horizons
20%inclusion33 decks167 decks
19%synergy
Syr Vondam, Sunstar Exemplar
20%inclusion33 decks167 decks
18%synergy
Ayara, First of Locthwain
20%inclusion33 decks167 decks
16%synergy
Boromir, Warden of the Tower
20%inclusion33 decks167 decks
16%synergy
Kambal, Profiteering Mayor
20%inclusion33 decks167 decks
14%synergy
Terra, Herald of Hope
19%inclusion3 decks16 decks
18%synergy
Molten Gatekeeper
19%inclusion3 decks16 decks
16%synergy
Instants
Dark Ritual
44%inclusion73 decks167 decks
19%synergy
Heroic Intervention
40%inclusion4 decks10 decks
10%synergy
Deadly Dispute
39%inclusion65 decks167 decks
27%synergy
Village Rites
36%inclusion60 decks167 decks
27%synergy
Revitalizing Repast
30%inclusion3 decks10 decks
22%synergy
Assassin's Trophy
30%inclusion3 decks10 decks
0%synergy
Malakir Rebirth
28%inclusion46 decks167 decks
19%synergy
Despark
26%inclusion43 decks167 decks
12%synergy
Generous Gift
24%inclusion40 decks167 decks
1%synergy
Flare of Fortitude
23%inclusion39 decks167 decks
19%synergy
Corrupted Conviction
23%inclusion39 decks167 decks
19%synergy
Saw in Half
21%inclusion35 decks167 decks
17%synergy
Fell the Profane
21%inclusion35 decks167 decks
12%synergy
Deadly Rollick
21%inclusion35 decks167 decks
7%synergy
Deflecting Swat
19%inclusion3 decks16 decks
2%synergy
Inkshield
18%inclusion30 decks167 decks
11%synergy
Nasty End
16%inclusion26 decks167 decks
14%synergy
Enlightened Tutor
13%inclusion22 decks167 decks
-2%synergy
Mortify
13%inclusion21 decks167 decks
2%synergy
Redirect Lightning
13%inclusion2 decks16 decks
7%synergy
Stroke of Midnight
11%inclusion18 decks167 decks
0%synergy
Plumb the Forbidden
10%inclusion17 decks167 decks
8%synergy
Fracture
10%inclusion16 decks167 decks
4%synergy
Reprieve
9.0%inclusion15 decks167 decks
5%synergy
Culling the Weak
8.4%inclusion14 decks167 decks
4%synergy
Clever Concealment
8.4%inclusion14 decks167 decks
4%synergy
Flawless Maneuver
8.4%inclusion14 decks167 decks
-2%synergy
Cauldron Haze
7.8%inclusion13 decks167 decks
7%synergy
Flare of Malice
7.2%inclusion12 decks167 decks
5%synergy
Silence
6.6%inclusion11 decks167 decks
0%synergy
Dawn's Truce
6.6%inclusion11 decks167 decks
-1%synergy
Duty Beyond Death
6.0%inclusion10 decks167 decks
5%synergy
Tragic Slip
6.0%inclusion10 decks167 decks
2%synergy
Imp's Mischief
6.0%inclusion10 decks167 decks
2%synergy
Entomb
6.0%inclusion10 decks167 decks
-1%synergy
Sorceries
Nature's Lore
40%inclusion4 decks10 decks
8%synergy
Victimize
39%inclusion65 decks167 decks
27%synergy
Damn
36%inclusion60 decks167 decks
20%synergy
Reanimate
32%inclusion53 decks167 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%inclusion32 decks167 decks
10%synergy
Toxic Deluge
19%inclusion32 decks167 decks
1%synergy
Diabolic Intent
19%inclusion31 decks167 decks
11%synergy
Austere Command
17%inclusion28 decks167 decks
5%synergy
Agadeem's Awakening
14%inclusion23 decks167 decks
11%synergy
Living Death
12%inclusion20 decks167 decks
7%synergy
Sevinne's Reclamation
11%inclusion19 decks167 decks
4%synergy
Farewell
11%inclusion19 decks167 decks
-1%synergy
Primevals' Glorious Rebirth
11%inclusion18 decks167 decks
8%synergy
Sign in Blood
10%inclusion17 decks167 decks
1%synergy
Blasphemous Edict
7.8%inclusion13 decks167 decks
2%synergy
Come Back Wrong
7.2%inclusion12 decks167 decks
6%synergy
Dread Return
7.2%inclusion12 decks167 decks
2%synergy
Morningtide's Light
6.6%inclusion11 decks167 decks
7%synergy
Rite of Oblivion
6.6%inclusion11 decks167 decks
4%synergy
Wrath of God
6.6%inclusion11 decks167 decks
2%synergy
Urza's Ruinous Blast
6.0%inclusion10 decks167 decks
4%synergy
Insatiable Avarice
6.0%inclusion10 decks167 decks
3%synergy
Diabolic Tutor
5.4%inclusion9 decks167 decks
0%synergy
Damnation
5.4%inclusion9 decks167 decks
-1%synergy
Utility Artifacts
The Great Henge
40%inclusion4 decks10 decks
31%synergy
Altar of Dementia
36%inclusion60 decks167 decks
34%synergy
Lightning Greaves
32%inclusion53 decks167 decks
7%synergy
Blasting Station
26%inclusion43 decks167 decks
25%synergy
Swiftfoot Boots
26%inclusion43 decks167 decks
-2%synergy
Jet Medallion
11%inclusion18 decks167 decks
7%synergy
Oketra's Monument
10%inclusion17 decks167 decks
9%synergy
Pearl Medallion
10%inclusion16 decks167 decks
7%synergy
Spawning Pit
9.0%inclusion15 decks167 decks
9%synergy
Cauldron of Souls
8.4%inclusion14 decks167 decks
8%synergy
Archaeomancer's Map
7.2%inclusion12 decks167 decks
4%synergy
Wayfarer's Bauble
7.2%inclusion12 decks167 decks
-1%synergy
The Ozolith
6.6%inclusion11 decks167 decks
3%synergy
Altar of the Brood
5.4%inclusion9 decks167 decks
4%synergy
Enchantments
Master Chef
40%inclusion4 decks10 decks
39%synergy
Cathars' Crusade
32%inclusion53 decks167 decks
27%synergy
Impact Tremors
31%inclusion5 decks16 decks
21%synergy
The Meathook Massacre
26%inclusion44 decks167 decks
21%synergy
Solemnity
26%inclusion43 decks167 decks
25%synergy
Phyrexian Arena
26%inclusion43 decks167 decks
10%synergy
Grave Pact
23%inclusion39 decks167 decks
19%synergy
Thran Vigil
23%inclusion38 decks167 decks
22%synergy
Black Market Connections
23%inclusion38 decks167 decks
11%synergy
Bitterblossom
14%inclusion24 decks167 decks
10%synergy
Master's Guidance
14%inclusion1 decks7 decks
14%synergy
The Legend of Kyoshi
14%inclusion1 decks7 decks
11%synergy
Animate Dead
12%inclusion20 decks167 decks
3%synergy
Land Tax
11%inclusion18 decks167 decks
4%synergy
Dictate of Erebos
10%inclusion17 decks167 decks
7%synergy
Fanatical Devotion
10%inclusion16 decks167 decks
9%synergy
Anointed Procession
10%inclusion16 decks167 decks
2%synergy
Call of the Ring
9.0%inclusion15 decks167 decks
7%synergy
Funeral Room // Awakening Hall
8.4%inclusion14 decks167 decks
7%synergy
Martyr's Cause
7.8%inclusion13 decks167 decks
7%synergy
Renewed Solidarity
7.8%inclusion13 decks167 decks
6%synergy
Barrensteppe Siege
7.2%inclusion12 decks167 decks
5%synergy
Black Market
7.2%inclusion12 decks167 decks
3%synergy
Vampiric Rites
6.0%inclusion10 decks167 decks
4%synergy
Flowering of the White Tree
6.0%inclusion10 decks167 decks
2%synergy
Caretaker's Talent
6.0%inclusion10 decks167 decks
1%synergy
Felidar Retreat
6.0%inclusion10 decks167 decks
0%synergy
Sothera, the Supervoid
5.4%inclusion9 decks167 decks
4%synergy
Phyrexian Reclamation
5.4%inclusion9 decks167 decks
2%synergy
Trouble in Pairs
5.4%inclusion9 decks167 decks
1%synergy
Planeswalkers
Liliana, Dreadhorde General
14%inclusion23 decks167 decks
10%synergy
Elspeth, Storm Slayer
10%inclusion17 decks167 decks
5%synergy
Utility Lands
Phyrexian Tower
50%inclusion84 decks167 decks
41%synergy
Urborg, Tomb of Yawgmoth
37%inclusion61 decks167 decks
28%synergy
Bojuka Bog
36%inclusion60 decks167 decks
6%synergy
High Market
33%inclusion55 decks167 decks
30%synergy
Takenuma, Abandoned Mire
23%inclusion38 decks167 decks
14%synergy
Reliquary Tower
22%inclusion36 decks167 decks
-8%synergy
Susur Secundi, Void Altar
19%inclusion32 decks167 decks
17%synergy
Eiganjo, Seat of the Empire
19%inclusion32 decks167 decks
12%synergy
Vault of the Archangel
18%inclusion30 decks167 decks
6%synergy
Cabal Coffers
15%inclusion25 decks167 decks
5%synergy
Midgar, City of Mako
14%inclusion23 decks167 decks
10%synergy
Westvale Abbey
13%inclusion22 decks167 decks
11%synergy
Command Beacon
10%inclusion16 decks167 decks
5%synergy
Shizo, Death's Storehouse
9.0%inclusion15 decks167 decks
4%synergy
Spymaster's Vault
8.4%inclusion14 decks167 decks
6%synergy
Minas Tirith
8.4%inclusion14 decks167 decks
2%synergy
Abandoned Air Temple
7.7%inclusion7 decks91 decks
2%synergy
Monumental Henge
7.2%inclusion12 decks167 decks
5%synergy
Castle Locthwain
6.6%inclusion11 decks167 decks
3%synergy
Nykthos, Shrine to Nyx
6.6%inclusion11 decks167 decks
1%synergy
Mana Artifacts
Sol Ring
87%inclusion146 decks167 decks
4%synergy
Arcane Signet
84%inclusion141 decks167 decks
12%synergy
Talisman of Hierarchy
53%inclusion88 decks167 decks
26%synergy
Orzhov Signet
49%inclusion81 decks167 decks
24%synergy
Talisman of Indulgence
38%inclusion6 decks16 decks
9%synergy
Talisman of Conviction
31%inclusion5 decks16 decks
7%synergy
Fellwar Stone
28%inclusion46 decks167 decks
7%synergy
The Soul Stone
23%inclusion39 decks167 decks
19%synergy
Boros Signet
19%inclusion3 decks16 decks
-1%synergy
Rakdos Signet
19%inclusion3 decks16 decks
-7%synergy
Relic of Legends
18%inclusion30 decks167 decks
16%synergy
Mind Stone
16%inclusion27 decks167 decks
1%synergy
Thought Vessel
16%inclusion27 decks167 decks
-1%synergy
Mox Amber
7.2%inclusion12 decks167 decks
3%synergy
Chrome Mox
6.0%inclusion10 decks167 decks
0%synergy
Lands
Raffine's Tower
100%inclusion3 decks3 decks
75%synergy
Hallowed Fountain
100%inclusion3 decks3 decks
60%synergy
Watery Grave
100%inclusion3 decks3 decks
59%synergy
Command Tower
89%inclusion148 decks167 decks
14%synergy
Isolated Chapel
74%inclusion124 decks167 decks
41%synergy
Godless Shrine
72%inclusion120 decks167 decks
31%synergy
Temple Garden
70%inclusion7 decks10 decks
31%synergy
Overgrown Tomb
70%inclusion7 decks10 decks
30%synergy
Caves of Koilos
60%inclusion101 decks167 decks
31%synergy
Sandsteppe Citadel
60%inclusion6 decks10 decks
34%synergy
Savai Triome
56%inclusion9 decks16 decks
32%synergy
Sacred Foundry
56%inclusion9 decks16 decks
20%synergy
Blood Crypt
56%inclusion9 decks16 decks
19%synergy
Fetid Heath
53%inclusion88 decks167 decks
40%synergy
Shattered Sanctum
53%inclusion88 decks167 decks
38%synergy
Vault of Champions
51%inclusion86 decks167 decks
27%synergy
Sunpetal Grove
50%inclusion5 decks10 decks
22%synergy
Dragonskull Summit
50%inclusion8 decks16 decks
16%synergy
Clifftop Retreat
50%inclusion8 decks16 decks
15%synergy
Tainted Field
45%inclusion75 decks167 decks
32%synergy
Marsh Flats
44%inclusion73 decks167 decks
33%synergy
Bleachbone Verge
41%inclusion69 decks167 decks
33%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
Spectator Seating
38%inclusion6 decks16 decks
14%synergy
Luxury Suite
38%inclusion6 decks16 decks
13%synergy
Exotic Orchard
35%inclusion58 decks167 decks
-2%synergy
Shadowy Backstreet
34%inclusion56 decks167 decks
23%synergy
Shineshadow Snarl
33%inclusion55 decks167 decks
20%synergy
Brightclimb Pathway
31%inclusion51 decks167 decks
22%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
Orzhov Basilica
29%inclusion49 decks167 decks
14%synergy
Temple of Silence
28%inclusion47 decks167 decks
10%synergy
Rugged Prairie
25%inclusion4 decks16 decks
11%synergy
Sulfurous Springs
25%inclusion4 decks16 decks
1%synergy
Battlefield Forge
25%inclusion4 decks16 decks
-4%synergy
Nomad Outpost
25%inclusion4 decks16 decks
-5%synergy
Smoldering Marsh
25%inclusion4 decks16 decks
-9%synergy
Concealed Courtyard
23%inclusion39 decks167 decks
17%synergy
Desolate Mire
22%inclusion36 decks167 decks
15%synergy
Blazemire Verge
19%inclusion3 decks16 decks
8%synergy
Rakdos Carnarium
19%inclusion3 decks16 decks
6%synergy
Sundown Pass
19%inclusion3 decks16 decks
3%synergy
Haunted Ridge
19%inclusion3 decks16 decks
2%synergy
Silent Clearing
18%inclusion30 decks167 decks
13%synergy