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
15%inclusion84 decks563 decks
Top Commanders
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New Cards
Emptiness
27%inclusion25 decks92 decks
27%synergy
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27%inclusion25 decks92 decks
27%synergy
Haru, Hidden Talent
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24%synergy
Long Feng, Grand Secretariat
25%inclusion1 decks4 decks
25%synergy
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6%synergy
High Synergy Cards
Melira, Sylvok Outcast
100%inclusion4 decks4 decks
100%synergy
Mikaeus, the Unhallowed
77%inclusion71 decks92 decks
75%synergy
Phyrexian Altar
78%inclusion72 decks92 decks
75%synergy
Ashnod's Altar
80%inclusion74 decks92 decks
74%synergy
Viscera Seer
82%inclusion75 decks92 decks
73%synergy
Zulaport Cutthroat
77%inclusion71 decks92 decks
68%synergy
Cruel Celebrant
71%inclusion65 decks92 decks
63%synergy
Elas il-Kor, Sadistic Pilgrim
72%inclusion66 decks92 decks
62%synergy
Pitiless Plunderer
70%inclusion64 decks92 decks
61%synergy
Carrion Feeder
65%inclusion60 decks92 decks
61%synergy
Top Cards
Swords to Plowshares
75%inclusion69 decks92 decks
13%synergy
Blood Artist
68%inclusion63 decks92 decks
57%synergy
Dark Ritual
67%inclusion62 decks92 decks
43%synergy
Cathars' Crusade
62%inclusion57 decks92 decks
57%synergy
Bastion of Remembrance
60%inclusion55 decks92 decks
53%synergy
Grim Haruspex
58%inclusion53 decks92 decks
55%synergy
Luminous Broodmoth
57%inclusion52 decks92 decks
54%synergy
Solemn Simulacrum
57%inclusion52 decks92 decks
44%synergy
Path to Exile
57%inclusion52 decks92 decks
9%synergy
Umbral Collar Zealot
55%inclusion51 decks92 decks
52%synergy
Game Changers
Demonic Tutor
46%inclusion42 decks92 decks
26%synergy
Enlightened Tutor
29%inclusion27 decks92 decks
14%synergy
Vampiric Tutor
27%inclusion25 decks92 decks
12%synergy
Ancient Tomb
16%inclusion15 decks92 decks
7%synergy
Imperial Seal
15%inclusion14 decks92 decks
10%synergy
Necropotence
13%inclusion12 decks92 decks
8%synergy
Bolas's Citadel
11%inclusion10 decks92 decks
3%synergy
Chrome Mox
8.7%inclusion8 decks92 decks
3%synergy
Mox Diamond
7.6%inclusion7 decks92 decks
3%synergy
Mana Vault
7.6%inclusion7 decks92 decks
2%synergy
Creatures
Murderous Redcap
100%inclusion3 decks3 decks
98%synergy
Safehold Elite
75%inclusion3 decks4 decks
75%synergy
Kitchen Finks
75%inclusion3 decks4 decks
75%synergy
Marionette Apprentice
55%inclusion51 decks92 decks
51%synergy
Warren Soultrader
55%inclusion51 decks92 decks
50%synergy
Geralf's Messenger
53%inclusion49 decks92 decks
53%synergy
Corpse Knight
51%inclusion47 decks92 decks
46%synergy
Gray Merchant of Asphodel
48%inclusion44 decks92 decks
39%synergy
Scholar of New Horizons
41%inclusion38 decks92 decks
40%synergy
Sephiroth, Fabled SOLDIER
40%inclusion37 decks92 decks
38%synergy
Midnight Reaper
40%inclusion37 decks92 decks
37%synergy
Esper Sentinel
40%inclusion37 decks92 decks
21%synergy
Woe Strider
39%inclusion36 decks92 decks
37%synergy
Yawgmoth, Thran Physician
39%inclusion36 decks92 decks
36%synergy
Witch Enchanter
38%inclusion35 decks92 decks
31%synergy
Bartolomé del Presidio
37%inclusion34 decks92 decks
32%synergy
Lotho, Corrupt Shirriff
34%inclusion31 decks92 decks
21%synergy
Vizier of Remedies
33%inclusion30 decks92 decks
32%synergy
Morbid Opportunist
32%inclusion29 decks92 decks
24%synergy
Butcher Ghoul
30%inclusion28 decks92 decks
30%synergy
Sun Titan
30%inclusion28 decks92 decks
22%synergy
Pawn of Ulamog
28%inclusion26 decks92 decks
26%synergy
Elenda, the Dusk Rose
26%inclusion24 decks92 decks
20%synergy
Charismatic Conqueror
25%inclusion23 decks92 decks
22%synergy
Welcoming Vampire
22%inclusion20 decks92 decks
16%synergy
Loran of the Third Path
22%inclusion20 decks92 decks
15%synergy
Zack Fair
20%inclusion18 decks92 decks
18%synergy
Teysa Karlov
20%inclusion18 decks92 decks
15%synergy
Yahenni, Undying Partisan
18%inclusion17 decks92 decks
15%synergy
Junji, the Midnight Sky
16%inclusion15 decks92 decks
14%synergy
Enduring Innocence
16%inclusion15 decks92 decks
12%synergy
Syr Konrad, the Grim
16%inclusion15 decks92 decks
8%synergy
Vengeful Bloodwitch
15%inclusion14 decks92 decks
13%synergy
Spirited Companion
15%inclusion14 decks92 decks
11%synergy
Boromir, Warden of the Tower
15%inclusion14 decks92 decks
11%synergy
Voice of Victory
15%inclusion14 decks92 decks
9%synergy
Braids, Arisen Nightmare
15%inclusion14 decks92 decks
8%synergy
Solitude
14%inclusion13 decks92 decks
12%synergy
Grand Abolisher
14%inclusion13 decks92 decks
5%synergy
Boggart Trawler
13%inclusion12 decks92 decks
9%synergy
Selfless Spirit
13%inclusion12 decks92 decks
9%synergy
Knight of the White Orchid
13%inclusion12 decks92 decks
8%synergy
Accursed Marauder
13%inclusion12 decks92 decks
8%synergy
Agent Venom
12%inclusion11 decks92 decks
11%synergy
Guardian of Faith
12%inclusion11 decks92 decks
10%synergy
Overlord of the Mistmoors
11%inclusion10 decks92 decks
10%synergy
Karmic Guide
11%inclusion10 decks92 decks
7%synergy
Ophiomancer
10%inclusion9 decks92 decks
6%synergy
Putrid Goblin
8.7%inclusion8 decks92 decks
8%synergy
Reveillark
8.7%inclusion8 decks92 decks
7%synergy
Instants
Deadly Dispute
48%inclusion44 decks92 decks
36%synergy
Anguished Unmaking
47%inclusion43 decks92 decks
22%synergy
Village Rites
42%inclusion39 decks92 decks
33%synergy
Generous Gift
34%inclusion31 decks92 decks
11%synergy
Flare of Fortitude
33%inclusion30 decks92 decks
29%synergy
Fell the Profane
28%inclusion26 decks92 decks
19%synergy
Despark
25%inclusion23 decks92 decks
11%synergy
Deadly Rollick
24%inclusion22 decks92 decks
11%synergy
Plumb the Forbidden
22%inclusion20 decks92 decks
19%synergy
Corrupted Conviction
22%inclusion20 decks92 decks
17%synergy
Malakir Rebirth
21%inclusion19 decks92 decks
13%synergy
Culling the Weak
20%inclusion18 decks92 decks
15%synergy
Silence
16%inclusion15 decks92 decks
10%synergy
Inkshield
16%inclusion15 decks92 decks
10%synergy
Teferi's Protection
16%inclusion15 decks92 decks
-1%synergy
Reprieve
14%inclusion13 decks92 decks
10%synergy
Imp's Mischief
12%inclusion11 decks92 decks
8%synergy
Clever Concealment
12%inclusion11 decks92 decks
8%synergy
Flawless Maneuver
11%inclusion10 decks92 decks
0%synergy
Flare of Malice
10%inclusion9 decks92 decks
7%synergy
Stroke of Midnight
10%inclusion9 decks92 decks
-1%synergy
Cabal Ritual
8.7%inclusion8 decks92 decks
4%synergy
Saw in Half
7.6%inclusion7 decks92 decks
4%synergy
Fracture
7.6%inclusion7 decks92 decks
2%synergy
Entomb
7.6%inclusion7 decks92 decks
1%synergy
Dawn's Truce
6.5%inclusion6 decks92 decks
-1%synergy
Snuff Out
5.4%inclusion5 decks92 decks
2%synergy
Withering Torment
5.4%inclusion5 decks92 decks
-3%synergy
Sorceries
Diabolic Intent
43%inclusion40 decks92 decks
36%synergy
Victimize
37%inclusion34 decks92 decks
25%synergy
Damn
37%inclusion34 decks92 decks
21%synergy
Reanimate
35%inclusion32 decks92 decks
16%synergy
Toxic Deluge
28%inclusion26 decks92 decks
10%synergy
Night's Whisper
15%inclusion14 decks92 decks
6%synergy
Wrath of God
13%inclusion12 decks92 decks
8%synergy
Blasphemous Edict
13%inclusion12 decks92 decks
7%synergy
Austere Command
13%inclusion12 decks92 decks
1%synergy
Sign in Blood
11%inclusion10 decks92 decks
2%synergy
Farewell
11%inclusion10 decks92 decks
-2%synergy
Insatiable Avarice
10%inclusion9 decks92 decks
7%synergy
Agadeem's Awakening
10%inclusion9 decks92 decks
7%synergy
Living Death
10%inclusion9 decks92 decks
4%synergy
Exsanguinate
10%inclusion9 decks92 decks
3%synergy
Beseech the Mirror
8.7%inclusion8 decks92 decks
5%synergy
Grim Tutor
8.7%inclusion8 decks92 decks
5%synergy
Damnation
8.7%inclusion8 decks92 decks
2%synergy
Read the Bones
7.6%inclusion7 decks92 decks
1%synergy
Sevinne's Reclamation
7.6%inclusion7 decks92 decks
0%synergy
Profane Tutor
6.5%inclusion6 decks92 decks
4%synergy
Torment of Hailfire
6.5%inclusion6 decks92 decks
2%synergy
Debt to the Deathless
5.4%inclusion5 decks92 decks
2%synergy
Idyllic Tutor
5.4%inclusion5 decks92 decks
1%synergy
Utility Artifacts
The Great Henge
75%inclusion3 decks4 decks
66%synergy
Skullclamp
54%inclusion50 decks92 decks
43%synergy
Blasting Station
46%inclusion42 decks92 decks
45%synergy
Lightning Greaves
41%inclusion38 decks92 decks
16%synergy
Swiftfoot Boots
27%inclusion25 decks92 decks
0%synergy
Oketra's Monument
17%inclusion16 decks92 decks
16%synergy
Spawning Pit
12%inclusion11 decks92 decks
12%synergy
Archaeomancer's Map
12%inclusion11 decks92 decks
8%synergy
Jet Medallion
12%inclusion11 decks92 decks
8%synergy
Pearl Medallion
11%inclusion10 decks92 decks
8%synergy
Wayfarer's Bauble
8.7%inclusion8 decks92 decks
1%synergy
The One Ring
7.6%inclusion7 decks92 decks
-1%synergy
Mithril Coat
6.5%inclusion6 decks92 decks
2%synergy
Enchantments
Goblin Bombardment
100%inclusion3 decks3 decks
94%synergy
Black Market Connections
41%inclusion38 decks92 decks
29%synergy
Thran Vigil
36%inclusion33 decks92 decks
35%synergy
Phyrexian Arena
36%inclusion33 decks92 decks
20%synergy
Bitterblossom
35%inclusion32 decks92 decks
31%synergy
Grave Pact
32%inclusion29 decks92 decks
27%synergy
The Meathook Massacre
30%inclusion28 decks92 decks
25%synergy
Smothering Tithe
21%inclusion19 decks92 decks
-1%synergy
Sothera, the Supervoid
15%inclusion14 decks92 decks
14%synergy
Dictate of Erebos
13%inclusion12 decks92 decks
10%synergy
Land Tax
12%inclusion11 decks92 decks
6%synergy
Funeral Room // Awakening Hall
11%inclusion10 decks92 decks
9%synergy
Martyr's Cause
10%inclusion9 decks92 decks
9%synergy
Phyrexian Unlife
8.7%inclusion8 decks92 decks
8%synergy
Fanatical Devotion
7.6%inclusion7 decks92 decks
7%synergy
Blind Obedience
7.6%inclusion7 decks92 decks
1%synergy
Trouble in Pairs
6.5%inclusion6 decks92 decks
2%synergy
Animate Dead
6.5%inclusion6 decks92 decks
-3%synergy
Virtue of Loyalty
5.4%inclusion5 decks92 decks
4%synergy
Barrensteppe Siege
5.4%inclusion5 decks92 decks
4%synergy
Tocasia's Welcome
5.4%inclusion5 decks92 decks
2%synergy
Black Market
5.4%inclusion5 decks92 decks
1%synergy
Felidar Retreat
5.4%inclusion5 decks92 decks
-1%synergy
Planeswalkers
Liliana, Dreadhorde General
17%inclusion16 decks92 decks
14%synergy
Utility Lands
Phyrexian Tower
58%inclusion53 decks92 decks
49%synergy
Bojuka Bog
38%inclusion35 decks92 decks
8%synergy
Urborg, Tomb of Yawgmoth
33%inclusion30 decks92 decks
24%synergy
Reliquary Tower
30%inclusion28 decks92 decks
0%synergy
High Market
29%inclusion27 decks92 decks
27%synergy
Cabal Coffers
22%inclusion20 decks92 decks
12%synergy
Takenuma, Abandoned Mire
20%inclusion18 decks92 decks
11%synergy
Midgar, City of Mako
17%inclusion16 decks92 decks
13%synergy
Eiganjo, Seat of the Empire
17%inclusion16 decks92 decks
10%synergy
Susur Secundi, Void Altar
14%inclusion13 decks92 decks
12%synergy
Nesting Grounds
11%inclusion10 decks92 decks
9%synergy
Westvale Abbey
11%inclusion10 decks92 decks
9%synergy
Command Beacon
11%inclusion10 decks92 decks
6%synergy
Vault of the Archangel
11%inclusion10 decks92 decks
-1%synergy
Spymaster's Vault
10%inclusion9 decks92 decks
7%synergy
Urza's Saga
8.7%inclusion8 decks92 decks
2%synergy
Nykthos, Shrine to Nyx
6.5%inclusion6 decks92 decks
1%synergy
Rogue's Passage
6.5%inclusion6 decks92 decks
-14%synergy
Mana Artifacts
Sol Ring
92%inclusion85 decks92 decks
9%synergy
Arcane Signet
88%inclusion81 decks92 decks
16%synergy
Talisman of Hierarchy
70%inclusion64 decks92 decks
43%synergy
Orzhov Signet
54%inclusion50 decks92 decks
30%synergy
Fellwar Stone
26%inclusion24 decks92 decks
6%synergy
Thought Vessel
20%inclusion18 decks92 decks
2%synergy
The Soul Stone
18%inclusion17 decks92 decks
14%synergy
Mind Stone
15%inclusion14 decks92 decks
0%synergy
Lotus Petal
12%inclusion11 decks92 decks
5%synergy
Crowded Crypt
6.5%inclusion6 decks92 decks
5%synergy
Commander's Sphere
6.5%inclusion6 decks92 decks
-6%synergy
Lands
Temple Garden
100%inclusion4 decks4 decks
61%synergy
Overgrown Tomb
100%inclusion4 decks4 decks
60%synergy
Command Tower
88%inclusion81 decks92 decks
14%synergy
Godless Shrine
80%inclusion74 decks92 decks
40%synergy
Isolated Chapel
77%inclusion71 decks92 decks
44%synergy
Sunpetal Grove
75%inclusion3 decks4 decks
48%synergy
Indatha Triome
75%inclusion3 decks4 decks
47%synergy
Woodland Cemetery
75%inclusion3 decks4 decks
44%synergy
Caves of Koilos
67%inclusion62 decks92 decks
38%synergy
Shattered Sanctum
59%inclusion54 decks92 decks
44%synergy
Vault of Champions
57%inclusion52 decks92 decks
32%synergy
Bleachbone Verge
54%inclusion50 decks92 decks
46%synergy
Fetid Heath
53%inclusion49 decks92 decks
40%synergy
Marsh Flats
52%inclusion48 decks92 decks
41%synergy
Tainted Field
51%inclusion47 decks92 decks
38%synergy
Shadowy Backstreet
42%inclusion39 decks92 decks
32%synergy
Brightclimb Pathway
40%inclusion37 decks92 decks
32%synergy
Shineshadow Snarl
34%inclusion31 decks92 decks
21%synergy
Exotic Orchard
34%inclusion31 decks92 decks
-3%synergy
Concealed Courtyard
24%inclusion22 decks92 decks
18%synergy
Silent Clearing
23%inclusion21 decks92 decks
18%synergy
Temple of Silence
22%inclusion20 decks92 decks
4%synergy
Fabled Passage
21%inclusion19 decks92 decks
11%synergy
Scrubland
21%inclusion19 decks92 decks
7%synergy
Orzhov Basilica
21%inclusion19 decks92 decks
6%synergy
Desolate Mire
17%inclusion16 decks92 decks
11%synergy
Flooded Strand
17%inclusion16 decks92 decks
6%synergy
Polluted Delta
15%inclusion14 decks92 decks
3%synergy
Reflecting Pool
14%inclusion13 decks92 decks
9%synergy
Verdant Catacombs
14%inclusion13 decks92 decks
3%synergy
Arid Mesa
13%inclusion12 decks92 decks
3%synergy
Windswept Heath
13%inclusion12 decks92 decks
2%synergy
Prismatic Vista
12%inclusion11 decks92 decks
7%synergy
Bloodstained Mire
12%inclusion11 decks92 decks
1%synergy
Sunlit Marsh
10%inclusion9 decks92 decks
6%synergy
Mana Confluence
8.7%inclusion8 decks92 decks
2%synergy
City of Brass
8.7%inclusion8 decks92 decks
1%synergy
Myriad Landscape
8.7%inclusion8 decks92 decks
-8%synergy
Snowfield Sinkhole
7.6%inclusion7 decks92 decks
5%synergy
Plaza of Heroes
6.5%inclusion6 decks92 decks
4%synergy
Gemstone Caverns
6.5%inclusion6 decks92 decks
2%synergy
Terramorphic Expanse
6.5%inclusion6 decks92 decks
-9%synergy
Evolving Wilds
5.4%inclusion5 decks92 decks
-15%synergy