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
35%inclusion298 decks849 decks
Top Commanders
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New Cards
Rhys, the Evermore
50%inclusion1 decks2 decks
50%synergy
Bitterbloom Bearer
32%inclusion107 decks331 decks
32%synergy
Emptiness
21%inclusion70 decks331 decks
21%synergy
Haru, Hidden Talent
11%inclusion1 decks9 decks
9%synergy
Long Feng, Grand Secretariat
11%inclusion1 decks9 decks
11%synergy
High Synergy Cards
Ashnod's Altar
86%inclusion286 decks331 decks
80%synergy
Murderous Redcap
75%inclusion6 decks8 decks
73%synergy
Goblin Bombardment
75%inclusion6 decks8 decks
69%synergy
Viscera Seer
73%inclusion243 decks331 decks
65%synergy
Elas il-Kor, Sadistic Pilgrim
74%inclusion244 decks331 decks
64%synergy
Warren Soultrader
65%inclusion216 decks331 decks
60%synergy
Pitiless Plunderer
68%inclusion226 decks331 decks
60%synergy
Luminous Broodmoth
62%inclusion204 decks331 decks
59%synergy
Zulaport Cutthroat
67%inclusion222 decks331 decks
58%synergy
The Great Henge
67%inclusion6 decks9 decks
57%synergy
Top Cards
Swords to Plowshares
73%inclusion241 decks331 decks
11%synergy
Blood Artist
67%inclusion222 decks331 decks
56%synergy
Three Visits
67%inclusion6 decks9 decks
42%synergy
Cruel Celebrant
62%inclusion205 decks331 decks
54%synergy
Skullclamp
60%inclusion197 decks331 decks
48%synergy
Dark Ritual
60%inclusion197 decks331 decks
35%synergy
Carrion Feeder
58%inclusion191 decks331 decks
53%synergy
Cathars' Crusade
57%inclusion189 decks331 decks
52%synergy
Path to Exile
56%inclusion186 decks331 decks
9%synergy
Kitchen Finks
56%inclusion5 decks9 decks
55%synergy
Game Changers
Demonic Tutor
46%inclusion152 decks331 decks
26%synergy
Jeska's Will
38%inclusion3 decks8 decks
22%synergy
Smothering Tithe
30%inclusion99 decks331 decks
8%synergy
Vampiric Tutor
30%inclusion98 decks331 decks
14%synergy
Teferi's Protection
26%inclusion87 decks331 decks
9%synergy
Enlightened Tutor
25%inclusion83 decks331 decks
10%synergy
Ancient Tomb
20%inclusion67 decks331 decks
11%synergy
The One Ring
16%inclusion53 decks331 decks
7%synergy
Orcish Bowmasters
15%inclusion50 decks331 decks
6%synergy
Necropotence
13%inclusion43 decks331 decks
8%synergy
Creatures
Geralf's Messenger
53%inclusion177 decks331 decks
53%synergy
Sephiroth, Fabled SOLDIER
50%inclusion167 decks331 decks
48%synergy
Glen Elendra Archmage
50%inclusion3 decks6 decks
48%synergy
Yawgmoth, Thran Physician
49%inclusion161 decks331 decks
45%synergy
Grim Haruspex
48%inclusion159 decks331 decks
45%synergy
Marionette Apprentice
48%inclusion158 decks331 decks
43%synergy
Solemn Simulacrum
46%inclusion153 decks331 decks
33%synergy
Umbral Collar Zealot
45%inclusion148 decks331 decks
42%synergy
Melira, Sylvok Outcast
44%inclusion4 decks9 decks
44%synergy
Woodfall Primus
44%inclusion4 decks9 decks
43%synergy
Corpse Knight
44%inclusion146 decks331 decks
39%synergy
Esper Sentinel
44%inclusion144 decks331 decks
24%synergy
Witch Enchanter
43%inclusion143 decks331 decks
36%synergy
Chainer, Nightmare Adept
38%inclusion3 decks8 decks
33%synergy
Gray Merchant of Asphodel
37%inclusion123 decks331 decks
29%synergy
Lotho, Corrupt Shirriff
36%inclusion119 decks331 decks
23%synergy
Scholar of New Horizons
36%inclusion118 decks331 decks
34%synergy
Herd Baloth
33%inclusion3 decks9 decks
32%synergy
Scurry Oak
33%inclusion3 decks9 decks
32%synergy
Morbid Opportunist
33%inclusion109 decks331 decks
26%synergy
Woe Strider
31%inclusion102 decks331 decks
29%synergy
Charismatic Conqueror
31%inclusion102 decks331 decks
28%synergy
Elenda, the Dusk Rose
31%inclusion102 decks331 decks
25%synergy
Butcher Ghoul
29%inclusion97 decks331 decks
29%synergy
Midnight Reaper
29%inclusion97 decks331 decks
26%synergy
Vizier of Remedies
29%inclusion96 decks331 decks
29%synergy
Pawn of Ulamog
29%inclusion95 decks331 decks
27%synergy
Teysa Karlov
28%inclusion92 decks331 decks
23%synergy
Bartolomé del Presidio
25%inclusion84 decks331 decks
21%synergy
Sun Titan
24%inclusion81 decks331 decks
16%synergy
Braids, Arisen Nightmare
23%inclusion77 decks331 decks
16%synergy
Accursed Marauder
21%inclusion69 decks331 decks
15%synergy
Junji, the Midnight Sky
20%inclusion66 decks331 decks
17%synergy
Welcoming Vampire
20%inclusion66 decks331 decks
14%synergy
Loran of the Third Path
20%inclusion66 decks331 decks
13%synergy
Solitude
20%inclusion65 decks331 decks
18%synergy
Enduring Innocence
20%inclusion65 decks331 decks
16%synergy
Grand Abolisher
18%inclusion61 decks331 decks
9%synergy
Voice of Victory
18%inclusion59 decks331 decks
11%synergy
Zack Fair
17%inclusion57 decks331 decks
15%synergy
Syr Konrad, the Grim
16%inclusion54 decks331 decks
8%synergy
Selfless Spirit
16%inclusion53 decks331 decks
12%synergy
Vengeful Bloodwitch
15%inclusion48 decks331 decks
13%synergy
Boromir, Warden of the Tower
14%inclusion47 decks331 decks
10%synergy
Yahenni, Undying Partisan
14%inclusion46 decks331 decks
11%synergy
Agent Venom
12%inclusion41 decks331 decks
11%synergy
Moonshaker Cavalry
12%inclusion41 decks331 decks
10%synergy
Mondrak, Glory Dominus
12%inclusion41 decks331 decks
6%synergy
Boggart Trawler
12%inclusion39 decks331 decks
8%synergy
Guardian of Faith
11%inclusion38 decks331 decks
10%synergy
Instants
Anguished Unmaking
51%inclusion168 decks331 decks
26%synergy
Deadly Dispute
43%inclusion142 decks331 decks
31%synergy
Deflecting Swat
38%inclusion3 decks8 decks
21%synergy
Village Rites
36%inclusion118 decks331 decks
26%synergy
Generous Gift
34%inclusion112 decks331 decks
11%synergy
Assassin's Trophy
33%inclusion3 decks9 decks
3%synergy
Heroic Intervention
33%inclusion3 decks9 decks
3%synergy
Fell the Profane
31%inclusion103 decks331 decks
22%synergy
Malakir Rebirth
30%inclusion99 decks331 decks
22%synergy
Deadly Rollick
30%inclusion98 decks331 decks
16%synergy
Inkshield
27%inclusion90 decks331 decks
20%synergy
Flare of Fortitude
25%inclusion83 decks331 decks
21%synergy
Culling the Weak
23%inclusion76 decks331 decks
19%synergy
Despark
20%inclusion67 decks331 decks
6%synergy
Corrupted Conviction
19%inclusion64 decks331 decks
15%synergy
Silence
15%inclusion51 decks331 decks
9%synergy
Plumb the Forbidden
15%inclusion50 decks331 decks
13%synergy
Flawless Maneuver
13%inclusion43 decks331 decks
3%synergy
Saw in Half
12%inclusion41 decks331 decks
8%synergy
Reprieve
11%inclusion37 decks331 decks
7%synergy
Fracture
11%inclusion37 decks331 decks
6%synergy
Entomb
11%inclusion37 decks331 decks
4%synergy
Stroke of Midnight
11%inclusion36 decks331 decks
0%synergy
Clever Concealment
10%inclusion33 decks331 decks
6%synergy
Imp's Mischief
10%inclusion32 decks331 decks
6%synergy
Flare of Malice
8.8%inclusion29 decks331 decks
6%synergy
Dawn's Truce
8.8%inclusion29 decks331 decks
2%synergy
Cabal Ritual
7.6%inclusion25 decks331 decks
2%synergy
Cauldron Haze
6.6%inclusion22 decks331 decks
6%synergy
Afterlife Insurance
6.0%inclusion20 decks331 decks
5%synergy
Mortify
5.4%inclusion18 decks331 decks
-6%synergy
Sejiri Shelter
5.1%inclusion17 decks331 decks
2%synergy
Sorceries
Nature's Lore
56%inclusion5 decks9 decks
24%synergy
Farseek
56%inclusion5 decks9 decks
20%synergy
Cultivate
44%inclusion4 decks9 decks
2%synergy
Reanimate
43%inclusion142 decks331 decks
24%synergy
Diabolic Intent
42%inclusion139 decks331 decks
34%synergy
Victimize
39%inclusion130 decks331 decks
27%synergy
Damn
39%inclusion129 decks331 decks
24%synergy
Kodama's Reach
33%inclusion3 decks9 decks
6%synergy
Toxic Deluge
32%inclusion107 decks331 decks
14%synergy
Agadeem's Awakening
17%inclusion55 decks331 decks
14%synergy
Night's Whisper
15%inclusion50 decks331 decks
6%synergy
Austere Command
15%inclusion50 decks331 decks
3%synergy
Blasphemous Edict
14%inclusion46 decks331 decks
8%synergy
Living Death
12%inclusion40 decks331 decks
7%synergy
Farewell
12%inclusion40 decks331 decks
-1%synergy
Imperial Seal
11%inclusion38 decks331 decks
6%synergy
Grim Tutor
10%inclusion32 decks331 decks
6%synergy
Sign in Blood
10%inclusion32 decks331 decks
1%synergy
Damnation
8.2%inclusion27 decks331 decks
1%synergy
Morningtide's Light
7.9%inclusion26 decks331 decks
8%synergy
Exsanguinate
7.9%inclusion26 decks331 decks
1%synergy
Sevinne's Reclamation
7.6%inclusion25 decks331 decks
0%synergy
Feed the Swarm
7.6%inclusion25 decks331 decks
-9%synergy
Torment of Hailfire
6.6%inclusion22 decks331 decks
2%synergy
Vindicate
6.6%inclusion22 decks331 decks
1%synergy
Beseech the Mirror
6.0%inclusion20 decks331 decks
3%synergy
Wrath of God
6.0%inclusion20 decks331 decks
1%synergy
Rite of Oblivion
5.7%inclusion19 decks331 decks
3%synergy
Dread Return
5.7%inclusion19 decks331 decks
1%synergy
Read the Bones
5.1%inclusion17 decks331 decks
-1%synergy
Utility Artifacts
Altar of Dementia
54%inclusion179 decks331 decks
52%synergy
Blasting Station
38%inclusion126 decks331 decks
38%synergy
Lightning Greaves
38%inclusion125 decks331 decks
13%synergy
Swiftfoot Boots
23%inclusion77 decks331 decks
-4%synergy
Oketra's Monument
15%inclusion51 decks331 decks
14%synergy
Bolas's Citadel
15%inclusion48 decks331 decks
6%synergy
Jet Medallion
11%inclusion36 decks331 decks
7%synergy
Pearl Medallion
9.1%inclusion30 decks331 decks
7%synergy
Spawning Pit
6.9%inclusion23 decks331 decks
7%synergy
Archaeomancer's Map
5.7%inclusion19 decks331 decks
2%synergy
Wishclaw Talisman
5.4%inclusion18 decks331 decks
0%synergy
Mithril Coat
5.1%inclusion17 decks331 decks
1%synergy
Enchantments
Solemnity
53%inclusion176 decks331 decks
52%synergy
Bastion of Remembrance
51%inclusion169 decks331 decks
45%synergy
Grave Pact
39%inclusion129 decks331 decks
34%synergy
Impact Tremors
38%inclusion3 decks8 decks
28%synergy
The Meathook Massacre
37%inclusion123 decks331 decks
32%synergy
Black Market Connections
35%inclusion115 decks331 decks
23%synergy
Bitterblossom
34%inclusion112 decks331 decks
30%synergy
Phyrexian Arena
28%inclusion92 decks331 decks
12%synergy
Thran Vigil
27%inclusion88 decks331 decks
26%synergy
Land Tax
16%inclusion52 decks331 decks
9%synergy
Dictate of Erebos
14%inclusion47 decks331 decks
11%synergy
Sothera, the Supervoid
13%inclusion43 decks331 decks
12%synergy
Animate Dead
12%inclusion40 decks331 decks
3%synergy
Funeral Room // Awakening Hall
11%inclusion35 decks331 decks
9%synergy
Barrensteppe Siege
7.6%inclusion25 decks331 decks
6%synergy
Trouble in Pairs
7.6%inclusion25 decks331 decks
3%synergy
Skrelv's Hive
7.3%inclusion24 decks331 decks
5%synergy
Anointed Procession
6.9%inclusion23 decks331 decks
0%synergy
Fanatical Devotion
6.6%inclusion22 decks331 decks
6%synergy
Martyr's Cause
5.7%inclusion19 decks331 decks
5%synergy
Virtue of Loyalty
5.4%inclusion18 decks331 decks
4%synergy
Black Market
5.4%inclusion18 decks331 decks
1%synergy
Planeswalkers
Liliana, Dreadhorde General
20%inclusion67 decks331 decks
17%synergy
Elspeth, Storm Slayer
9.4%inclusion31 decks331 decks
5%synergy
Utility Lands
Phyrexian Tower
66%inclusion217 decks331 decks
57%synergy
Urborg, Tomb of Yawgmoth
51%inclusion170 decks331 decks
42%synergy
Mistrise Village
50%inclusion3 decks6 decks
42%synergy
Bojuka Bog
43%inclusion141 decks331 decks
13%synergy
High Market
28%inclusion93 decks331 decks
26%synergy
Takenuma, Abandoned Mire
28%inclusion93 decks331 decks
19%synergy
Cabal Coffers
27%inclusion91 decks331 decks
18%synergy
Reliquary Tower
26%inclusion85 decks331 decks
-4%synergy
Eiganjo, Seat of the Empire
23%inclusion76 decks331 decks
16%synergy
Susur Secundi, Void Altar
21%inclusion70 decks331 decks
19%synergy
Vault of the Archangel
19%inclusion62 decks331 decks
7%synergy
Midgar, City of Mako
18%inclusion58 decks331 decks
14%synergy
Nykthos, Shrine to Nyx
13%inclusion43 decks331 decks
8%synergy
Urza's Saga
11%inclusion38 decks331 decks
4%synergy
Westvale Abbey
11%inclusion36 decks331 decks
9%synergy
Spymaster's Vault
10%inclusion32 decks331 decks
7%synergy
Command Beacon
9.1%inclusion30 decks331 decks
4%synergy
Nesting Grounds
8.5%inclusion28 decks331 decks
6%synergy
Shizo, Death's Storehouse
7.3%inclusion24 decks331 decks
3%synergy
Abandoned Air Temple
7.0%inclusion13 decks186 decks
2%synergy
Minas Tirith
6.3%inclusion21 decks331 decks
0%synergy
Castle Locthwain
6.0%inclusion20 decks331 decks
2%synergy
Mana Artifacts
Sol Ring
94%inclusion310 decks331 decks
10%synergy
Arcane Signet
85%inclusion283 decks331 decks
13%synergy
Talisman of Hierarchy
61%inclusion203 decks331 decks
35%synergy
Orzhov Signet
47%inclusion155 decks331 decks
23%synergy
Talisman of Indulgence
38%inclusion3 decks8 decks
10%synergy
The Soul Stone
28%inclusion93 decks331 decks
24%synergy
Fellwar Stone
25%inclusion83 decks331 decks
5%synergy
Thought Vessel
15%inclusion51 decks331 decks
-2%synergy
Mind Stone
13%inclusion42 decks331 decks
-2%synergy
Lotus Petal
11%inclusion38 decks331 decks
4%synergy
Chrome Mox
11%inclusion36 decks331 decks
5%synergy
Mana Vault
11%inclusion35 decks331 decks
5%synergy
Crowded Crypt
6.3%inclusion21 decks331 decks
5%synergy
Mox Diamond
5.4%inclusion18 decks331 decks
1%synergy
Mox Amber
5.4%inclusion18 decks331 decks
1%synergy
Lands
Zagoth Triome
100%inclusion5 decks5 decks
72%synergy
Jetmir's Garden
100%inclusion4 decks4 decks
71%synergy
Indatha Triome
89%inclusion8 decks9 decks
61%synergy
Temple Garden
89%inclusion8 decks9 decks
50%synergy
Overgrown Tomb
89%inclusion8 decks9 decks
49%synergy
Godless Shrine
89%inclusion293 decks331 decks
48%synergy
Command Tower
87%inclusion289 decks331 decks
13%synergy
Spara's Headquarters
80%inclusion4 decks5 decks
52%synergy
Breeding Pool
80%inclusion4 decks5 decks
39%synergy
Savai Triome
75%inclusion6 decks8 decks
50%synergy
Ziatora's Proving Ground
75%inclusion3 decks4 decks
47%synergy
Vault of Champions
73%inclusion243 decks331 decks
49%synergy
Isolated Chapel
67%inclusion223 decks331 decks
34%synergy
Raffine's Tower
67%inclusion4 decks6 decks
42%synergy
Hallowed Fountain
67%inclusion4 decks6 decks
27%synergy
Watery Grave
67%inclusion4 decks6 decks
25%synergy
Shattered Sanctum
63%inclusion207 decks331 decks
48%synergy
Marsh Flats
62%inclusion204 decks331 decks
51%synergy
Caves of Koilos
62%inclusion204 decks331 decks
32%synergy
Bleachbone Verge
54%inclusion179 decks331 decks
46%synergy
Sacred Foundry
50%inclusion4 decks8 decks
14%synergy
Blood Crypt
50%inclusion4 decks8 decks
13%synergy
Fetid Heath
49%inclusion162 decks331 decks
36%synergy
Savannah
44%inclusion4 decks9 decks
32%synergy
Bayou
44%inclusion4 decks9 decks
31%synergy
Bountiful Promenade
44%inclusion4 decks9 decks
22%synergy
Undergrowth Stadium
44%inclusion4 decks9 decks
21%synergy
Shadowy Backstreet
43%inclusion143 decks331 decks
33%synergy
Tainted Field
41%inclusion137 decks331 decks
28%synergy
Brightclimb Pathway
41%inclusion135 decks331 decks
32%synergy
Sandsteppe Citadel
33%inclusion3 decks9 decks
8%synergy
Sunpetal Grove
33%inclusion3 decks9 decks
6%synergy
Woodland Cemetery
33%inclusion3 decks9 decks
2%synergy
Scrubland
28%inclusion93 decks331 decks
15%synergy
Shineshadow Snarl
26%inclusion87 decks331 decks
14%synergy
Exotic Orchard
25%inclusion82 decks331 decks
-12%synergy
Silent Clearing
24%inclusion80 decks331 decks
20%synergy
Orzhov Basilica
23%inclusion75 decks331 decks
8%synergy
Fabled Passage
22%inclusion74 decks331 decks
13%synergy
Concealed Courtyard
21%inclusion71 decks331 decks
16%synergy
Temple of Silence
18%inclusion60 decks331 decks
1%synergy
Desolate Mire
16%inclusion53 decks331 decks
10%synergy
Prismatic Vista
16%inclusion52 decks331 decks
11%synergy
Flooded Strand
13%inclusion43 decks331 decks
2%synergy
Arid Mesa
12%inclusion40 decks331 decks
2%synergy
Polluted Delta
12%inclusion39 decks331 decks
0%synergy
Windswept Heath
11%inclusion37 decks331 decks
0%synergy
Bloodstained Mire
11%inclusion36 decks331 decks
0%synergy
Verdant Catacombs
11%inclusion35 decks331 decks
0%synergy
Reflecting Pool
10%inclusion33 decks331 decks
5%synergy