Eirdu, Carrier of Dawn
Solemnity
Altar of Dementia

   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 creature without a -1/-1 counter on it.

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing another nontoken creature without a -1/-1 counter on it.
2
When the creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Solemnity.
3
Resolve the Altar of Dementia ability.
4
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite mill
Infinite self-mill
Eirdu, Carrier of Dawn
17%inclusion145 decks832 decks
Top Commanders
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New Cards
Bitterbloom Bearer
27%inclusion42 decks157 decks
26%synergy
Emptiness
25%inclusion39 decks157 decks
25%synergy
Honest Work
20%inclusion1 decks5 decks
19%synergy
Haru, Hidden Talent
17%inclusion1 decks6 decks
15%synergy
Long Feng, Grand Secretariat
17%inclusion1 decks6 decks
16%synergy
High Synergy Cards
Melira, Sylvok Outcast
83%inclusion5 decks6 decks
83%synergy
Mikaeus, the Unhallowed
80%inclusion125 decks157 decks
77%synergy
Ashnod's Altar
83%inclusion131 decks157 decks
77%synergy
Phyrexian Altar
80%inclusion125 decks157 decks
76%synergy
Viscera Seer
82%inclusion128 decks157 decks
73%synergy
Zulaport Cutthroat
76%inclusion120 decks157 decks
68%synergy
Safehold Elite
67%inclusion4 decks6 decks
67%synergy
Kitchen Finks
67%inclusion4 decks6 decks
66%synergy
Pitiless Plunderer
74%inclusion116 decks157 decks
65%synergy
Elas il-Kor, Sadistic Pilgrim
75%inclusion117 decks157 decks
65%synergy
Top Cards
Swords to Plowshares
74%inclusion116 decks157 decks
12%synergy
Cruel Celebrant
72%inclusion113 decks157 decks
64%synergy
Blood Artist
71%inclusion112 decks157 decks
60%synergy
Carrion Feeder
69%inclusion108 decks157 decks
64%synergy
The Great Henge
67%inclusion4 decks6 decks
57%synergy
Dark Ritual
65%inclusion102 decks157 decks
41%synergy
Cathars' Crusade
63%inclusion99 decks157 decks
58%synergy
Skullclamp
62%inclusion97 decks157 decks
51%synergy
Luminous Broodmoth
60%inclusion94 decks157 decks
57%synergy
Warren Soultrader
60%inclusion94 decks157 decks
54%synergy
Game Changers
Demonic Tutor
45%inclusion71 decks157 decks
26%synergy
Enlightened Tutor
29%inclusion45 decks157 decks
13%synergy
Vampiric Tutor
27%inclusion43 decks157 decks
12%synergy
Ancient Tomb
18%inclusion28 decks157 decks
8%synergy
The One Ring
13%inclusion21 decks157 decks
5%synergy
Imperial Seal
13%inclusion20 decks157 decks
7%synergy
Necropotence
12%inclusion19 decks157 decks
7%synergy
Bolas's Citadel
12%inclusion19 decks157 decks
4%synergy
Chrome Mox
10%inclusion16 decks157 decks
4%synergy
Mox Diamond
7.6%inclusion12 decks157 decks
3%synergy
Creatures
Murderous Redcap
75%inclusion3 decks4 decks
73%synergy
Glen Elendra Archmage
60%inclusion3 decks5 decks
58%synergy
Geralf's Messenger
59%inclusion93 decks157 decks
59%synergy
Grim Haruspex
57%inclusion90 decks157 decks
54%synergy
Marionette Apprentice
56%inclusion88 decks157 decks
51%synergy
Umbral Collar Zealot
55%inclusion86 decks157 decks
52%synergy
Solemn Simulacrum
55%inclusion86 decks157 decks
42%synergy
Corpse Knight
51%inclusion80 decks157 decks
46%synergy
Woodfall Primus
50%inclusion3 decks6 decks
49%synergy
Yawgmoth, Thran Physician
45%inclusion70 decks157 decks
41%synergy
Gray Merchant of Asphodel
45%inclusion70 decks157 decks
36%synergy
Vizier of Remedies
44%inclusion69 decks157 decks
44%synergy
Esper Sentinel
44%inclusion69 decks157 decks
25%synergy
Sephiroth, Fabled SOLDIER
43%inclusion67 decks157 decks
40%synergy
Scholar of New Horizons
42%inclusion66 decks157 decks
41%synergy
Witch Enchanter
41%inclusion65 decks157 decks
34%synergy
Woe Strider
39%inclusion61 decks157 decks
37%synergy
Midnight Reaper
36%inclusion56 decks157 decks
32%synergy
Butcher Ghoul
35%inclusion55 decks157 decks
35%synergy
Morbid Opportunist
33%inclusion52 decks157 decks
26%synergy
Sun Titan
32%inclusion50 decks157 decks
23%synergy
Bartolomé del Presidio
31%inclusion49 decks157 decks
27%synergy
Lotho, Corrupt Shirriff
31%inclusion49 decks157 decks
18%synergy
Pawn of Ulamog
29%inclusion45 decks157 decks
27%synergy
Elenda, the Dusk Rose
29%inclusion45 decks157 decks
23%synergy
Charismatic Conqueror
26%inclusion41 decks157 decks
23%synergy
Teysa Karlov
25%inclusion40 decks157 decks
21%synergy
Grand Abolisher
22%inclusion35 decks157 decks
13%synergy
Welcoming Vampire
22%inclusion34 decks157 decks
16%synergy
Junji, the Midnight Sky
20%inclusion32 decks157 decks
18%synergy
Braids, Arisen Nightmare
20%inclusion32 decks157 decks
13%synergy
Syr Konrad, the Grim
20%inclusion32 decks157 decks
12%synergy
Zack Fair
18%inclusion29 decks157 decks
17%synergy
Accursed Marauder
18%inclusion29 decks157 decks
13%synergy
Loran of the Third Path
18%inclusion29 decks157 decks
12%synergy
Vengeful Bloodwitch
17%inclusion26 decks157 decks
15%synergy
Solitude
15%inclusion24 decks157 decks
14%synergy
Enduring Innocence
15%inclusion24 decks157 decks
11%synergy
Selfless Spirit
15%inclusion24 decks157 decks
11%synergy
Yahenni, Undying Partisan
15%inclusion23 decks157 decks
12%synergy
Karmic Guide
13%inclusion21 decks157 decks
10%synergy
Boromir, Warden of the Tower
13%inclusion21 decks157 decks
9%synergy
Voice of Victory
13%inclusion21 decks157 decks
7%synergy
Spirited Companion
13%inclusion20 decks157 decks
9%synergy
Boggart Trawler
11%inclusion18 decks157 decks
8%synergy
Knight of the White Orchid
11%inclusion17 decks157 decks
6%synergy
Triskelion
10%inclusion16 decks157 decks
10%synergy
Orcish Bowmasters
10%inclusion16 decks157 decks
2%synergy
Reveillark
10%inclusion15 decks157 decks
8%synergy
Teysa, Orzhov Scion
10%inclusion15 decks157 decks
8%synergy
Instants
Counterspell
60%inclusion3 decks5 decks
18%synergy
Path to Exile
59%inclusion92 decks157 decks
11%synergy
Deadly Dispute
46%inclusion73 decks157 decks
34%synergy
Anguished Unmaking
46%inclusion73 decks157 decks
22%synergy
Village Rites
43%inclusion67 decks157 decks
33%synergy
Generous Gift
33%inclusion52 decks157 decks
10%synergy
Deadly Rollick
29%inclusion46 decks157 decks
16%synergy
Flare of Fortitude
29%inclusion45 decks157 decks
25%synergy
Fell the Profane
28%inclusion44 decks157 decks
19%synergy
Malakir Rebirth
27%inclusion42 decks157 decks
19%synergy
Despark
25%inclusion40 decks157 decks
12%synergy
Inkshield
24%inclusion38 decks157 decks
17%synergy
Culling the Weak
21%inclusion33 decks157 decks
17%synergy
Corrupted Conviction
20%inclusion31 decks157 decks
15%synergy
Teferi's Protection
20%inclusion31 decks157 decks
3%synergy
Silence
19%inclusion30 decks157 decks
13%synergy
Plumb the Forbidden
18%inclusion29 decks157 decks
16%synergy
Flawless Maneuver
13%inclusion21 decks157 decks
3%synergy
Reprieve
11%inclusion18 decks157 decks
7%synergy
Flare of Malice
10%inclusion16 decks157 decks
8%synergy
Imp's Mischief
10%inclusion15 decks157 decks
6%synergy
Saw in Half
10%inclusion15 decks157 decks
5%synergy
Fracture
10%inclusion15 decks157 decks
4%synergy
Clever Concealment
8.9%inclusion14 decks157 decks
5%synergy
Stroke of Midnight
8.9%inclusion14 decks157 decks
-2%synergy
Entomb
8.3%inclusion13 decks157 decks
1%synergy
Cabal Ritual
7.6%inclusion12 decks157 decks
2%synergy
Dawn's Truce
7.6%inclusion12 decks157 decks
0%synergy
Mortify
5.1%inclusion8 decks157 decks
-6%synergy
Sorceries
Three Visits
50%inclusion3 decks6 decks
26%synergy
Farseek
50%inclusion3 decks6 decks
14%synergy
Cultivate
50%inclusion3 decks6 decks
7%synergy
Diabolic Intent
47%inclusion74 decks157 decks
39%synergy
Reanimate
44%inclusion69 decks157 decks
25%synergy
Damn
43%inclusion67 decks157 decks
27%synergy
Victimize
37%inclusion58 decks157 decks
25%synergy
Toxic Deluge
35%inclusion55 decks157 decks
17%synergy
Night's Whisper
19%inclusion30 decks157 decks
10%synergy
Blasphemous Edict
17%inclusion27 decks157 decks
11%synergy
Austere Command
16%inclusion25 decks157 decks
4%synergy
Sign in Blood
15%inclusion23 decks157 decks
6%synergy
Agadeem's Awakening
14%inclusion22 decks157 decks
11%synergy
Grim Tutor
13%inclusion20 decks157 decks
9%synergy
Farewell
11%inclusion18 decks157 decks
-1%synergy
Exsanguinate
8.9%inclusion14 decks157 decks
2%synergy
Wrath of God
8.3%inclusion13 decks157 decks
3%synergy
Insatiable Avarice
7.6%inclusion12 decks157 decks
5%synergy
Sevinne's Reclamation
7.6%inclusion12 decks157 decks
0%synergy
Living Death
7.0%inclusion11 decks157 decks
2%synergy
Damnation
7.0%inclusion11 decks157 decks
0%synergy
Beseech the Mirror
6.4%inclusion10 decks157 decks
3%synergy
Profane Tutor
5.7%inclusion9 decks157 decks
4%synergy
Idyllic Tutor
5.7%inclusion9 decks157 decks
2%synergy
Read the Bones
5.7%inclusion9 decks157 decks
0%synergy
Torment of Hailfire
5.1%inclusion8 decks157 decks
1%synergy
Utility Artifacts
Blasting Station
46%inclusion73 decks157 decks
46%synergy
Lightning Greaves
42%inclusion66 decks157 decks
17%synergy
Swiftfoot Boots
26%inclusion41 decks157 decks
-1%synergy
Jet Medallion
12%inclusion19 decks157 decks
9%synergy
Oketra's Monument
11%inclusion18 decks157 decks
10%synergy
Pearl Medallion
11%inclusion17 decks157 decks
8%synergy
Spawning Pit
8.9%inclusion14 decks157 decks
9%synergy
Archaeomancer's Map
8.9%inclusion14 decks157 decks
5%synergy
Wishclaw Talisman
7.0%inclusion11 decks157 decks
2%synergy
Wayfarer's Bauble
6.4%inclusion10 decks157 decks
-1%synergy
Enchantments
Goblin Bombardment
75%inclusion3 decks4 decks
69%synergy
Bastion of Remembrance
55%inclusion87 decks157 decks
49%synergy
Grave Pact
39%inclusion62 decks157 decks
35%synergy
Black Market Connections
39%inclusion61 decks157 decks
27%synergy
Thran Vigil
37%inclusion58 decks157 decks
36%synergy
The Meathook Massacre
34%inclusion53 decks157 decks
29%synergy
Phyrexian Arena
31%inclusion48 decks157 decks
15%synergy
Bitterblossom
30%inclusion47 decks157 decks
26%synergy
Smothering Tithe
24%inclusion38 decks157 decks
3%synergy
Land Tax
15%inclusion24 decks157 decks
9%synergy
Dictate of Erebos
15%inclusion23 decks157 decks
12%synergy
Sothera, the Supervoid
13%inclusion21 decks157 decks
12%synergy
Funeral Room // Awakening Hall
11%inclusion17 decks157 decks
9%synergy
Animate Dead
11%inclusion17 decks157 decks
2%synergy
Phyrexian Unlife
8.3%inclusion13 decks157 decks
8%synergy
Martyr's Cause
7.6%inclusion12 decks157 decks
7%synergy
Blind Obedience
7.0%inclusion11 decks157 decks
1%synergy
Barrensteppe Siege
6.4%inclusion10 decks157 decks
5%synergy
Black Market
5.7%inclusion9 decks157 decks
1%synergy
Trouble in Pairs
5.7%inclusion9 decks157 decks
1%synergy
Fanatical Devotion
5.1%inclusion8 decks157 decks
4%synergy
Planeswalkers
Liliana, Dreadhorde General
17%inclusion27 decks157 decks
13%synergy
Utility Lands
Mistrise Village
60%inclusion3 decks5 decks
52%synergy
Phyrexian Tower
60%inclusion94 decks157 decks
51%synergy
Bojuka Bog
43%inclusion68 decks157 decks
14%synergy
Urborg, Tomb of Yawgmoth
39%inclusion62 decks157 decks
31%synergy
Reliquary Tower
34%inclusion53 decks157 decks
4%synergy
High Market
29%inclusion45 decks157 decks
26%synergy
Takenuma, Abandoned Mire
23%inclusion36 decks157 decks
14%synergy
Cabal Coffers
22%inclusion35 decks157 decks
13%synergy
Eiganjo, Seat of the Empire
19%inclusion30 decks157 decks
12%synergy
Midgar, City of Mako
18%inclusion28 decks157 decks
14%synergy
Susur Secundi, Void Altar
16%inclusion25 decks157 decks
13%synergy
Vault of the Archangel
15%inclusion24 decks157 decks
3%synergy
Nesting Grounds
11%inclusion17 decks157 decks
9%synergy
Urza's Saga
11%inclusion17 decks157 decks
4%synergy
Westvale Abbey
10%inclusion16 decks157 decks
8%synergy
Spymaster's Vault
10%inclusion16 decks157 decks
7%synergy
Command Beacon
10%inclusion15 decks157 decks
5%synergy
Nykthos, Shrine to Nyx
7.6%inclusion12 decks157 decks
2%synergy
Rogue's Passage
5.1%inclusion8 decks157 decks
-15%synergy
Mana Artifacts
Sol Ring
93%inclusion146 decks157 decks
9%synergy
Arcane Signet
89%inclusion140 decks157 decks
17%synergy
Talisman of Hierarchy
66%inclusion103 decks157 decks
39%synergy
Orzhov Signet
54%inclusion84 decks157 decks
30%synergy
Fellwar Stone
27%inclusion42 decks157 decks
6%synergy
The Soul Stone
20%inclusion32 decks157 decks
16%synergy
Thought Vessel
20%inclusion32 decks157 decks
3%synergy
Mind Stone
14%inclusion22 decks157 decks
-1%synergy
Lotus Petal
11%inclusion18 decks157 decks
4%synergy
Mana Vault
8.3%inclusion13 decks157 decks
2%synergy
Commander's Sphere
5.1%inclusion8 decks157 decks
-7%synergy
Lands
Zagoth Triome
100%inclusion3 decks3 decks
72%synergy
Spara's Headquarters
100%inclusion3 decks3 decks
72%synergy
Jetmir's Garden
100%inclusion3 decks3 decks
71%synergy
Breeding Pool
100%inclusion3 decks3 decks
59%synergy
Command Tower
89%inclusion140 decks157 decks
15%synergy
Indatha Triome
83%inclusion5 decks6 decks
55%synergy
Temple Garden
83%inclusion5 decks6 decks
45%synergy
Overgrown Tomb
83%inclusion5 decks6 decks
43%synergy
Godless Shrine
82%inclusion129 decks157 decks
41%synergy
Hallowed Fountain
80%inclusion4 decks5 decks
41%synergy
Watery Grave
80%inclusion4 decks5 decks
39%synergy
Isolated Chapel
75%inclusion118 decks157 decks
42%synergy
Sunpetal Grove
67%inclusion4 decks6 decks
39%synergy
Woodland Cemetery
67%inclusion4 decks6 decks
35%synergy
Caves of Koilos
65%inclusion102 decks157 decks
36%synergy
Vault of Champions
63%inclusion99 decks157 decks
39%synergy
Shattered Sanctum
62%inclusion97 decks157 decks
47%synergy
Raffine's Tower
60%inclusion3 decks5 decks
35%synergy
Marsh Flats
56%inclusion88 decks157 decks
45%synergy
Bleachbone Verge
53%inclusion83 decks157 decks
45%synergy
Fetid Heath
53%inclusion83 decks157 decks
40%synergy
Savannah
50%inclusion3 decks6 decks
37%synergy
Bayou
50%inclusion3 decks6 decks
37%synergy
Tainted Field
50%inclusion78 decks157 decks
37%synergy
Shadowy Backstreet
41%inclusion65 decks157 decks
31%synergy
Brightclimb Pathway
39%inclusion61 decks157 decks
30%synergy
Shineshadow Snarl
31%inclusion49 decks157 decks
19%synergy
Exotic Orchard
31%inclusion49 decks157 decks
-5%synergy
Silent Clearing
25%inclusion39 decks157 decks
20%synergy
Concealed Courtyard
23%inclusion36 decks157 decks
17%synergy
Scrubland
22%inclusion35 decks157 decks
9%synergy
Orzhov Basilica
22%inclusion34 decks157 decks
7%synergy
Fabled Passage
20%inclusion32 decks157 decks
11%synergy
Temple of Silence
20%inclusion32 decks157 decks
3%synergy
Desolate Mire
20%inclusion31 decks157 decks
14%synergy
Flooded Strand
15%inclusion23 decks157 decks
3%synergy
Prismatic Vista
13%inclusion21 decks157 decks
9%synergy
Polluted Delta
13%inclusion21 decks157 decks
1%synergy
Windswept Heath
11%inclusion18 decks157 decks
1%synergy
Reflecting Pool
11%inclusion17 decks157 decks
6%synergy
Arid Mesa
11%inclusion17 decks157 decks
1%synergy
Verdant Catacombs
10%inclusion16 decks157 decks
-1%synergy
Bloodstained Mire
10%inclusion15 decks157 decks
-2%synergy
Myriad Landscape
8.9%inclusion14 decks157 decks
-7%synergy
Gemstone Caverns
8.3%inclusion13 decks157 decks
3%synergy
City of Brass
7.6%inclusion12 decks157 decks
0%synergy
Sunlit Marsh
7.0%inclusion11 decks157 decks
3%synergy
Mana Confluence
7.0%inclusion11 decks157 decks
0%synergy
Terramorphic Expanse
7.0%inclusion11 decks157 decks
-8%synergy
Evolving Wilds
7.0%inclusion11 decks157 decks
-14%synergy