Eirdu, Carrier of Dawn
Mikaeus, the Unhallowed
Phyrexian Altar

   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 Phyrexian Altar 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 Phyrexian Altar 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
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite colored mana
Infinite sacrifice triggers
Infinite death triggers
Eirdu, Carrier of Dawn
33%inclusion359 decks1.10K decks
Ashling, the Limitless
0.1%inclusion3 decks2.18K decks
Top Commanders
Ratadrabik of Urborg
1.2%inclusion15 decks1.30K decks
Celes, Rune Knight
0.2%inclusion5 decks2.86K decks
Go-Shintai of Life's Origin
0.0%inclusion2 decks5.90K decks
Ghave, Guru of Spores
0.1%inclusion2 decks1.61K decks
Orah, Skyclave Hierophant
0.3%inclusion2 decks751 decks
Minthara, Merciless Soul
0.1%inclusion1 decks1.11K decks
Teysa Karlov
0.0%inclusion1 decks4.36K decks
Atraxa, Praetors' Voice
0.0%inclusion1 decks8.13K decks
Reaper King
0.0%inclusion1 decks2.21K decks
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0.1%inclusion1 decks1.42K decks
Athreos, God of Passage
0.1%inclusion1 decks1.62K decks
Tayam, Luminous Enigma
0.1%inclusion1 decks1.86K decks
Zur the Enchanter
0.0%inclusion1 decks3.08K decks
Mister Negative
0.0%inclusion1 decks2.50K decks
Betor, Ancestor's Voice
0.0%inclusion1 decks3.97K decks
Elenda, the Dusk Rose
0.1%inclusion1 decks1.34K decks
New Cards
Sunderflock
67%inclusion2 decks3 decks
65%synergy
Bitterbloom Bearer
34%inclusion136 decks400 decks
33%synergy
Champion of the Path
33%inclusion1 decks3 decks
32%synergy
Mass of Mysteries
33%inclusion1 decks3 decks
25%synergy
Soulbright Seeker
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Ashnod's Altar
86%inclusion343 decks400 decks
79%synergy
Viscera Seer
76%inclusion302 decks400 decks
67%synergy
Elas il-Kor, Sadistic Pilgrim
74%inclusion295 decks400 decks
64%synergy
Murderous Redcap
64%inclusion7 decks11 decks
62%synergy
Warren Soultrader
66%inclusion264 decks400 decks
60%synergy
Luminous Broodmoth
63%inclusion251 decks400 decks
60%synergy
Pitiless Plunderer
69%inclusion275 decks400 decks
60%synergy
Zulaport Cutthroat
69%inclusion274 decks400 decks
60%synergy
Phyrexian Tower
68%inclusion270 decks400 decks
59%synergy
Blood Artist
68%inclusion273 decks400 decks
57%synergy
Top Cards
Swords to Plowshares
74%inclusion294 decks400 decks
12%synergy
Cruel Celebrant
64%inclusion256 decks400 decks
57%synergy
Skullclamp
62%inclusion246 decks400 decks
50%synergy
Dark Ritual
61%inclusion243 decks400 decks
36%synergy
Carrion Feeder
60%inclusion240 decks400 decks
56%synergy
Three Visits
58%inclusion7 decks12 decks
34%synergy
Cathars' Crusade
57%inclusion230 decks400 decks
52%synergy
Path to Exile
57%inclusion228 decks400 decks
10%synergy
Geralf's Messenger
56%inclusion224 decks400 decks
56%synergy
Goblin Bombardment
55%inclusion6 decks11 decks
49%synergy
Game Changers
Demonic Tutor
46%inclusion185 decks400 decks
27%synergy
Smothering Tithe
32%inclusion126 decks400 decks
10%synergy
Vampiric Tutor
30%inclusion120 decks400 decks
15%synergy
Underworld Breach
27%inclusion3 decks11 decks
21%synergy
Jeska's Will
27%inclusion3 decks11 decks
12%synergy
Teferi's Protection
26%inclusion105 decks400 decks
9%synergy
Worldly Tutor
25%inclusion3 decks12 decks
13%synergy
Enlightened Tutor
25%inclusion98 decks400 decks
9%synergy
Ancient Tomb
21%inclusion83 decks400 decks
11%synergy
The One Ring
17%inclusion68 decks400 decks
8%synergy
Creatures
Sephiroth, Fabled SOLDIER
52%inclusion209 decks400 decks
50%synergy
Kitchen Finks
50%inclusion6 decks12 decks
50%synergy
Yawgmoth, Thran Physician
49%inclusion197 decks400 decks
46%synergy
Grim Haruspex
49%inclusion196 decks400 decks
46%synergy
Marionette Apprentice
49%inclusion196 decks400 decks
44%synergy
Umbral Collar Zealot
47%inclusion189 decks400 decks
44%synergy
Solemn Simulacrum
47%inclusion189 decks400 decks
34%synergy
Corpse Knight
46%inclusion182 decks400 decks
40%synergy
Esper Sentinel
46%inclusion182 decks400 decks
26%synergy
Risen Reef
43%inclusion3 decks7 decks
40%synergy
Witch Enchanter
43%inclusion171 decks400 decks
35%synergy
Woodfall Primus
42%inclusion5 decks12 decks
41%synergy
Birds of Paradise
42%inclusion5 decks12 decks
14%synergy
Glen Elendra Archmage
38%inclusion3 decks8 decks
35%synergy
Mulldrifter
38%inclusion3 decks8 decks
33%synergy
Gray Merchant of Asphodel
38%inclusion150 decks400 decks
29%synergy
Lotho, Corrupt Shirriff
37%inclusion147 decks400 decks
24%synergy
Scholar of New Horizons
36%inclusion144 decks400 decks
35%synergy
Vizier of Remedies
34%inclusion136 decks400 decks
34%synergy
Melira, Sylvok Outcast
33%inclusion4 decks12 decks
33%synergy
Shinestriker
33%inclusion1 decks3 decks
32%synergy
Vibrance
33%inclusion1 decks3 decks
32%synergy
Subterfuge
33%inclusion1 decks3 decks
32%synergy
Scurry Oak
33%inclusion4 decks12 decks
32%synergy
Morbid Opportunist
33%inclusion133 decks400 decks
26%synergy
Butcher Ghoul
32%inclusion126 decks400 decks
31%synergy
Elenda, the Dusk Rose
31%inclusion125 decks400 decks
26%synergy
Pawn of Ulamog
30%inclusion119 decks400 decks
28%synergy
Charismatic Conqueror
30%inclusion119 decks400 decks
26%synergy
Woe Strider
30%inclusion118 decks400 decks
28%synergy
Midnight Reaper
28%inclusion111 decks400 decks
25%synergy
Chainer, Nightmare Adept
27%inclusion3 decks11 decks
23%synergy
Teysa Karlov
27%inclusion109 decks400 decks
23%synergy
Bartolomé del Presidio
26%inclusion102 decks400 decks
21%synergy
Herd Baloth
25%inclusion3 decks12 decks
24%synergy
Ivy Lane Denizen
25%inclusion3 decks12 decks
24%synergy
Basking Broodscale
25%inclusion3 decks12 decks
23%synergy
Devoted Druid
25%inclusion3 decks12 decks
22%synergy
Evolution Witness
25%inclusion3 decks12 decks
22%synergy
Bloom Tender
25%inclusion3 decks12 decks
17%synergy
Sun Titan
25%inclusion98 decks400 decks
16%synergy
Emptiness
24%inclusion95 decks400 decks
24%synergy
Braids, Arisen Nightmare
23%inclusion90 decks400 decks
15%synergy
Voice of Victory
21%inclusion84 decks400 decks
14%synergy
Solitude
21%inclusion83 decks400 decks
19%synergy
Accursed Marauder
21%inclusion82 decks400 decks
15%synergy
Grand Abolisher
20%inclusion81 decks400 decks
11%synergy
Impulsivity
20%inclusion1 decks5 decks
19%synergy
Flamebraider
20%inclusion1 decks5 decks
18%synergy
Junji, the Midnight Sky
20%inclusion80 decks400 decks
17%synergy
Instants
Anguished Unmaking
52%inclusion206 decks400 decks
27%synergy
Deflecting Swat
45%inclusion5 decks11 decks
29%synergy
Deadly Dispute
44%inclusion176 decks400 decks
32%synergy
Counterspell
38%inclusion3 decks8 decks
-4%synergy
Village Rites
37%inclusion149 decks400 decks
28%synergy
Generous Gift
36%inclusion143 decks400 decks
13%synergy
Glen Elendra's Answer
33%inclusion1 decks3 decks
33%synergy
Heroic Intervention
33%inclusion4 decks12 decks
3%synergy
Fell the Profane
31%inclusion123 decks400 decks
22%synergy
Deadly Rollick
30%inclusion120 decks400 decks
16%synergy
Malakir Rebirth
29%inclusion116 decks400 decks
21%synergy
Inkshield
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21%synergy
Flare of Fortitude
27%inclusion107 decks400 decks
23%synergy
Assassin's Trophy
25%inclusion3 decks12 decks
-5%synergy
Culling the Weak
24%inclusion97 decks400 decks
20%synergy
Despark
20%inclusion81 decks400 decks
7%synergy
Corrupted Conviction
20%inclusion80 decks400 decks
15%synergy
Silence
17%inclusion67 decks400 decks
10%synergy
Plumb the Forbidden
14%inclusion55 decks400 decks
11%synergy
Entomb
13%inclusion51 decks400 decks
6%synergy
Fracture
12%inclusion49 decks400 decks
7%synergy
Stroke of Midnight
12%inclusion49 decks400 decks
2%synergy
Flawless Maneuver
12%inclusion48 decks400 decks
1%synergy
Saw in Half
12%inclusion47 decks400 decks
8%synergy
Reprieve
10%inclusion41 decks400 decks
6%synergy
Flare of Malice
9.3%inclusion37 decks400 decks
7%synergy
Cabal Ritual
9.3%inclusion37 decks400 decks
4%synergy
Redirect Lightning
9.1%inclusion1 decks11 decks
3%synergy
Clever Concealment
9.0%inclusion36 decks400 decks
5%synergy
Imp's Mischief
8.8%inclusion35 decks400 decks
5%synergy
Dawn's Truce
8.0%inclusion32 decks400 decks
1%synergy
Cauldron Haze
6.5%inclusion26 decks400 decks
6%synergy
Afterlife Insurance
5.5%inclusion22 decks400 decks
5%synergy
Mortify
5.5%inclusion22 decks400 decks
-5%synergy
Sorceries
Nature's Lore
50%inclusion6 decks12 decks
18%synergy
Farseek
50%inclusion6 decks12 decks
14%synergy
Reanimate
47%inclusion188 decks400 decks
28%synergy
Diabolic Intent
43%inclusion172 decks400 decks
35%synergy
Damn
42%inclusion168 decks400 decks
27%synergy
Victimize
41%inclusion162 decks400 decks
28%synergy
Toxic Deluge
34%inclusion135 decks400 decks
15%synergy
Cultivate
33%inclusion4 decks12 decks
-9%synergy
Kodama's Reach
25%inclusion3 decks12 decks
-2%synergy
Agadeem's Awakening
17%inclusion66 decks400 decks
13%synergy
Night's Whisper
17%inclusion66 decks400 decks
7%synergy
Blasphemous Edict
16%inclusion64 decks400 decks
10%synergy
Austere Command
14%inclusion55 decks400 decks
2%synergy
Sign in Blood
12%inclusion46 decks400 decks
3%synergy
Farewell
12%inclusion46 decks400 decks
-1%synergy
Living Death
11%inclusion45 decks400 decks
6%synergy
Imperial Seal
11%inclusion44 decks400 decks
6%synergy
Grim Tutor
11%inclusion43 decks400 decks
7%synergy
Damnation
8.0%inclusion32 decks400 decks
1%synergy
Morningtide's Light
7.8%inclusion31 decks400 decks
8%synergy
Exsanguinate
7.5%inclusion30 decks400 decks
1%synergy
Feed the Swarm
7.5%inclusion30 decks400 decks
-9%synergy
Sevinne's Reclamation
7.2%inclusion29 decks400 decks
0%synergy
Vindicate
7.0%inclusion28 decks400 decks
1%synergy
Beseech the Mirror
6.8%inclusion27 decks400 decks
4%synergy
Dread Return
6.5%inclusion26 decks400 decks
1%synergy
Wrath of God
6.3%inclusion25 decks400 decks
1%synergy
Torment of Hailfire
6.0%inclusion24 decks400 decks
2%synergy
Rite of Oblivion
5.8%inclusion23 decks400 decks
4%synergy
Utility Artifacts
Altar of Dementia
54%inclusion214 decks400 decks
51%synergy
The Great Henge
50%inclusion6 decks12 decks
41%synergy
Lightning Greaves
40%inclusion160 decks400 decks
15%synergy
Blasting Station
38%inclusion152 decks400 decks
38%synergy
Swiftfoot Boots
24%inclusion96 decks400 decks
-3%synergy
Bolas's Citadel
15%inclusion60 decks400 decks
7%synergy
Oketra's Monument
14%inclusion54 decks400 decks
12%synergy
Jet Medallion
10%inclusion40 decks400 decks
6%synergy
Pearl Medallion
8.5%inclusion34 decks400 decks
6%synergy
Spawning Pit
5.8%inclusion23 decks400 decks
5%synergy
Wishclaw Talisman
5.8%inclusion23 decks400 decks
0%synergy
Mithril Coat
5.5%inclusion22 decks400 decks
1%synergy
Enchantments
Solemnity
54%inclusion214 decks400 decks
53%synergy
Bastion of Remembrance
51%inclusion205 decks400 decks
45%synergy
The Meathook Massacre
40%inclusion161 decks400 decks
35%synergy
Grave Pact
37%inclusion149 decks400 decks
33%synergy
Impact Tremors
36%inclusion4 decks11 decks
27%synergy
Black Market Connections
36%inclusion143 decks400 decks
24%synergy
Bitterblossom
34%inclusion137 decks400 decks
30%synergy
Phyrexian Arena
28%inclusion110 decks400 decks
12%synergy
Thran Vigil
26%inclusion103 decks400 decks
25%synergy
Land Tax
15%inclusion60 decks400 decks
9%synergy
Dictate of Erebos
14%inclusion56 decks400 decks
11%synergy
Necropotence
13%inclusion51 decks400 decks
7%synergy
Animate Dead
13%inclusion51 decks400 decks
4%synergy
Sothera, the Supervoid
12%inclusion47 decks400 decks
11%synergy
Funeral Room // Awakening Hall
10%inclusion41 decks400 decks
9%synergy
Trouble in Pairs
8.3%inclusion33 decks400 decks
4%synergy
Anointed Procession
7.5%inclusion30 decks400 decks
0%synergy
Barrensteppe Siege
6.8%inclusion27 decks400 decks
5%synergy
Skrelv's Hive
6.8%inclusion27 decks400 decks
5%synergy
Martyr's Cause
6.5%inclusion26 decks400 decks
6%synergy
Fanatical Devotion
6.5%inclusion26 decks400 decks
6%synergy
Black Market
5.3%inclusion21 decks400 decks
1%synergy
Planeswalkers
Liliana, Dreadhorde General
19%inclusion75 decks400 decks
15%synergy
Elspeth, Storm Slayer
9.0%inclusion36 decks400 decks
4%synergy
Utility Lands
Urborg, Tomb of Yawgmoth
50%inclusion201 decks400 decks
41%synergy
Bojuka Bog
44%inclusion174 decks400 decks
14%synergy
Mistrise Village
38%inclusion3 decks8 decks
30%synergy
High Market
28%inclusion113 decks400 decks
26%synergy
Reliquary Tower
28%inclusion113 decks400 decks
-2%synergy
Takenuma, Abandoned Mire
28%inclusion112 decks400 decks
19%synergy
Cabal Coffers
26%inclusion104 decks400 decks
16%synergy
Eiganjo, Seat of the Empire
24%inclusion95 decks400 decks
17%synergy
Susur Secundi, Void Altar
23%inclusion90 decks400 decks
20%synergy
Vault of the Archangel
19%inclusion75 decks400 decks
7%synergy
Midgar, City of Mako
17%inclusion68 decks400 decks
13%synergy
Urza's Saga
13%inclusion51 decks400 decks
6%synergy
Westvale Abbey
12%inclusion48 decks400 decks
10%synergy
Nykthos, Shrine to Nyx
11%inclusion44 decks400 decks
6%synergy
Abandoned Air Temple
10%inclusion25 decks260 decks
4%synergy
Command Beacon
10%inclusion38 decks400 decks
5%synergy
Nesting Grounds
9.3%inclusion37 decks400 decks
7%synergy
Spymaster's Vault
9.0%inclusion36 decks400 decks
6%synergy
Castle Locthwain
6.5%inclusion26 decks400 decks
3%synergy
Shizo, Death's Storehouse
6.3%inclusion25 decks400 decks
2%synergy
Minas Tirith
5.5%inclusion22 decks400 decks
-1%synergy
Mana Artifacts
Sol Ring
93%inclusion372 decks400 decks
9%synergy
Arcane Signet
87%inclusion347 decks400 decks
14%synergy
Talisman of Hierarchy
62%inclusion246 decks400 decks
35%synergy
Orzhov Signet
46%inclusion185 decks400 decks
23%synergy
The Soul Stone
28%inclusion111 decks400 decks
24%synergy
Talisman of Conviction
27%inclusion3 decks11 decks
3%synergy
Talisman of Indulgence
27%inclusion3 decks11 decks
-1%synergy
Fellwar Stone
26%inclusion103 decks400 decks
5%synergy
Thought Vessel
15%inclusion60 decks400 decks
-3%synergy
Mind Stone
13%inclusion51 decks400 decks
-2%synergy
Lotus Petal
13%inclusion50 decks400 decks
5%synergy
Mana Vault
11%inclusion42 decks400 decks
5%synergy
Chrome Mox
10%inclusion41 decks400 decks
4%synergy
Mox Diamond
6.3%inclusion25 decks400 decks
2%synergy
Mox Amber
6.3%inclusion25 decks400 decks
2%synergy
Crowded Crypt
5.5%inclusion22 decks400 decks
4%synergy
Lands
Godless Shrine
88%inclusion353 decks400 decks
47%synergy
Command Tower
88%inclusion353 decks400 decks
14%synergy
Breeding Pool
86%inclusion6 decks7 decks
44%synergy
Temple Garden
83%inclusion10 decks12 decks
45%synergy
Overgrown Tomb
83%inclusion10 decks12 decks
43%synergy
Vault of Champions
73%inclusion291 decks400 decks
49%synergy
Zagoth Triome
71%inclusion5 decks7 decks
43%synergy
Spara's Headquarters
71%inclusion5 decks7 decks
43%synergy
Isolated Chapel
68%inclusion273 decks400 decks
35%synergy
Indatha Triome
67%inclusion8 decks12 decks
39%synergy
Marsh Flats
64%inclusion256 decks400 decks
53%synergy
Blood Crypt
64%inclusion7 decks11 decks
26%synergy
Caves of Koilos
63%inclusion250 decks400 decks
33%synergy
Hallowed Fountain
63%inclusion5 decks8 decks
23%synergy
Watery Grave
63%inclusion5 decks8 decks
21%synergy
Shattered Sanctum
61%inclusion242 decks400 decks
46%synergy
Savai Triome
55%inclusion6 decks11 decks
30%synergy
Sacred Foundry
55%inclusion6 decks11 decks
18%synergy
Bleachbone Verge
55%inclusion218 decks400 decks
46%synergy
Jetmir's Garden
50%inclusion3 decks6 decks
21%synergy
Steam Vents
50%inclusion3 decks6 decks
12%synergy
Fetid Heath
49%inclusion197 decks400 decks
36%synergy
Shadowy Backstreet
44%inclusion175 decks400 decks
34%synergy
Tropical Island
43%inclusion3 decks7 decks
28%synergy
Tainted Field
42%inclusion167 decks400 decks
29%synergy
Savannah
42%inclusion5 decks12 decks
29%synergy
Bayou
42%inclusion5 decks12 decks
28%synergy
Brightclimb Pathway
39%inclusion157 decks400 decks
31%synergy
Tundra
38%inclusion3 decks8 decks
24%synergy
Underground Sea
38%inclusion3 decks8 decks
23%synergy
Raffine's Tower
38%inclusion3 decks8 decks
13%synergy
Bountiful Promenade
33%inclusion4 decks12 decks
11%synergy
Undergrowth Stadium
33%inclusion4 decks12 decks
10%synergy
Sunpetal Grove
33%inclusion4 decks12 decks
6%synergy
Woodland Cemetery
33%inclusion4 decks12 decks
2%synergy
Scrubland
28%inclusion114 decks400 decks
15%synergy
Badlands
27%inclusion3 decks11 decks
14%synergy
Luxury Suite
27%inclusion3 decks11 decks
3%synergy
Shineshadow Snarl
26%inclusion103 decks400 decks
13%synergy
Silent Clearing
26%inclusion102 decks400 decks
21%synergy
Exotic Orchard
25%inclusion101 decks400 decks
-11%synergy
Deathcap Glade
25%inclusion3 decks12 decks
12%synergy
Overgrown Farmland
25%inclusion3 decks12 decks
8%synergy
Sandsteppe Citadel
25%inclusion3 decks12 decks
-1%synergy
Fabled Passage
22%inclusion89 decks400 decks
13%synergy
Orzhov Basilica
21%inclusion84 decks400 decks
6%synergy
Concealed Courtyard
21%inclusion82 decks400 decks
15%synergy
Temple of Silence
19%inclusion74 decks400 decks
1%synergy
Prismatic Vista
15%inclusion60 decks400 decks
10%synergy
Desolate Mire
15%inclusion59 decks400 decks
9%synergy