Eirdu, Carrier of Dawn
Altar of Dementia
Arcbound Prototype

   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 Altar of Dementia by sacrificing Arcbound Prototype.
2
When Arcbound Prototype dies, its modular ability and persist ability trigger.
3
Resolve the modular trigger, putting Arcbound Prototype's +1/+1 counters on another artifact creature.
4
Resolve the persist trigger, returning Arcbound Prototype from your graveyard to the battlefield. It will not have a -1/-1 counter on it due to its modular ability.
5
Resolve the Altar of Dementia ability.
6
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite mill
Infinite self-mill
Infinite +1/+1 counters on certain creatures
Eirdu, Carrier of Dawn
1.0%inclusion41 decks4.21K decks
Akiri, Line-Slinger // Reyhan, Last of the Abzan
1.1%inclusion1 decks87 decks
New Cards
Eclipsed Steppe
20%inclusion1 decks5 decks
16%synergy
Turbulent Moor
20%inclusion1 decks5 decks
15%synergy
Rat King, Pale Piper
7.7%inclusion1 decks13 decks
7%synergy
Dimension X Pizzasaur
7.7%inclusion1 decks13 decks
7%synergy
Ninja Teen
3.8%inclusion1 decks26 decks
3%synergy
High Synergy Cards
Ashnod's Altar
83%inclusion35 decks42 decks
77%synergy
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75%synergy
Phyrexian Altar
71%inclusion30 decks42 decks
68%synergy
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67%synergy
Blood Artist
76%inclusion32 decks42 decks
65%synergy
Elas il-Kor, Sadistic Pilgrim
74%inclusion31 decks42 decks
64%synergy
Marionette Apprentice
67%inclusion28 decks42 decks
62%synergy
Zulaport Cutthroat
64%inclusion27 decks42 decks
56%synergy
Arcbound Javelineer
55%inclusion23 decks42 decks
55%synergy
Cruel Celebrant
60%inclusion25 decks42 decks
52%synergy
Top Cards
Dark Ritual
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42%synergy
Swords to Plowshares
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6%synergy
Path to Exile
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5%synergy
Bastion of Remembrance
50%inclusion21 decks42 decks
43%synergy
Pitiless Plunderer
48%inclusion20 decks42 decks
39%synergy
Skullclamp
45%inclusion19 decks42 decks
34%synergy
Deadly Dispute
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33%synergy
Blasting Station
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42%synergy
Warren Soultrader
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37%synergy
Arcbound Ravager
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40%synergy
Game Changers
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12%synergy
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14%synergy
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8%synergy
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11%synergy
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12%synergy
Imperial Seal
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9%synergy
Necropotence
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7%synergy
Mana Vault
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6%synergy
The One Ring
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4%synergy
Mox Diamond
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5%synergy
Creatures
Sephiroth, Fabled SOLDIER
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36%synergy
Bartolomé del Presidio
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34%synergy
Geralf's Messenger
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35%synergy
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33%synergy
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33%synergy
Arcbound Mouser
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33%synergy
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32%synergy
Zack Fair
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32%synergy
Grim Haruspex
33%inclusion14 decks42 decks
31%synergy
Arcbound Condor
31%inclusion13 decks42 decks
31%synergy
Vengeful Bloodwitch
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29%synergy
Esper Sentinel
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12%synergy
Arcbound Reclaimer
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28%synergy
Scrapyard Recombiner
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28%synergy
Triskelion
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28%synergy
Butcher Ghoul
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28%synergy
Woe Strider
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27%synergy
Arcbound Stinger
26%inclusion11 decks42 decks
26%synergy
Dockworker Drone
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26%synergy
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24%synergy
Voice of Victory
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20%synergy
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19%synergy
Solemn Simulacrum
26%inclusion11 decks42 decks
14%synergy
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13%synergy
Clockwork Beetle
24%inclusion10 decks42 decks
24%synergy
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24%synergy
Arcbound Hybrid
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24%synergy
Bloodcrazed Paladin
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24%synergy
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21%synergy
Corpse Knight
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19%synergy
Morbid Opportunist
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16%synergy
Grand Abolisher
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15%synergy
Arcbound Crusher
21%inclusion9 decks42 decks
21%synergy
Luminous Broodmoth
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19%synergy
Gray Merchant of Asphodel
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13%synergy
Arcbound Slith
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19%synergy
Vizier of Remedies
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19%synergy
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17%synergy
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16%synergy
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16%synergy
Mindless Automaton
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Teysa Karlov
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12%synergy
Sun Titan
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9%synergy
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14%synergy
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14%synergy
Arcbound Bruiser
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14%synergy
Cartel Aristocrat
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14%synergy
Patrolling Peacemaker
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12%synergy
Recruiter of the Guard
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11%synergy
Midnight Reaper
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11%synergy
Instants
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29%synergy
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14%synergy
Deadly Rollick
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15%synergy
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17%synergy
Culling the Weak
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15%synergy
Generous Gift
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Malakir Rebirth
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Reprieve
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10%synergy
Clever Concealment
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7%synergy
Stroke of Midnight
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2%synergy
Flawless Maneuver
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1%synergy
Teferi's Protection
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Imp's Mischief
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Despark
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-4%synergy
Rebuff the Wicked
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Plumb the Forbidden
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Cabal Ritual
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2%synergy
Sorceries
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Damn
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11%synergy
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Sign in Blood
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6%synergy
Grim Tutor
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Wrath of God
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6%synergy
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Insatiable Avarice
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Agadeem's Awakening
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Diabolic Tutor
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Read the Bones
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Austere Command
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Utility Artifacts
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13%synergy
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Grinding Station
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11%synergy
Jet Medallion
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8%synergy
Krark-Clan Ironworks
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8%synergy
Pearl Medallion
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7%synergy
Altar of the Brood
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6%synergy
Bolas's Citadel
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-1%synergy
Enchantments
Solemnity
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40%synergy
Thran Vigil
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35%synergy
Black Market Connections
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19%synergy
The Meathook Massacre
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23%synergy
Cathars' Crusade
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23%synergy
Phyrexian Arena
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11%synergy
Funeral Room // Awakening Hall
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17%synergy
Grave Pact
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Animate Dead
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6%synergy
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11%synergy
Trouble in Pairs
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7%synergy
Black Market
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5%synergy
Bitterblossom
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5%synergy
Martyr's Cause
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7%synergy
Resourceful Defense
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5%synergy
Vampiric Rites
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5%synergy
Tocasia's Welcome
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4%synergy
Land Tax
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1%synergy
Planeswalkers
Liliana, Dreadhorde General
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4%synergy
Utility Lands
Phyrexian Tower
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50%synergy
Bojuka Bog
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4%synergy
Urborg, Tomb of Yawgmoth
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20%synergy
Urza's Saga
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19%synergy
Reliquary Tower
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-8%synergy
Takenuma, Abandoned Mire
19%inclusion8 decks42 decks
11%synergy
Abandoned Air Temple
18%inclusion6 decks34 decks
13%synergy
High Market
17%inclusion7 decks42 decks
14%synergy
Nesting Grounds
12%inclusion5 decks42 decks
10%synergy
Eiganjo, Seat of the Empire
12%inclusion5 decks42 decks
5%synergy
Cabal Coffers
12%inclusion5 decks42 decks
2%synergy
Nykthos, Shrine to Nyx
10%inclusion4 decks42 decks
4%synergy
Ancient Den
10%inclusion4 decks42 decks
4%synergy
Rogue's Passage
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-11%synergy
Westvale Abbey
7.1%inclusion3 decks42 decks
5%synergy
Susur Secundi, Void Altar
7.1%inclusion3 decks42 decks
5%synergy
Spymaster's Vault
7.1%inclusion3 decks42 decks
5%synergy
Castle Locthwain
7.1%inclusion3 decks42 decks
3%synergy
Vault of Whispers
7.1%inclusion3 decks42 decks
3%synergy
Buried Ruin
7.1%inclusion3 decks42 decks
2%synergy
Command Beacon
7.1%inclusion3 decks42 decks
2%synergy
Vault of the Archangel
7.1%inclusion3 decks42 decks
-5%synergy
Mana Artifacts
Sol Ring
95%inclusion40 decks42 decks
12%synergy
Arcane Signet
93%inclusion39 decks42 decks
21%synergy
Talisman of Hierarchy
76%inclusion32 decks42 decks
50%synergy
Orzhov Signet
60%inclusion25 decks42 decks
37%synergy
Fellwar Stone
38%inclusion16 decks42 decks
18%synergy
Mind Stone
36%inclusion15 decks42 decks
21%synergy
Thought Vessel
19%inclusion8 decks42 decks
2%synergy
The Soul Stone
14%inclusion6 decks42 decks
10%synergy
Lotus Petal
14%inclusion6 decks42 decks
7%synergy
Chrome Mox
10%inclusion4 decks42 decks
4%synergy
Prismatic Lens
7.1%inclusion3 decks42 decks
6%synergy
Mox Opal
7.1%inclusion3 decks42 decks
3%synergy
Chromatic Lantern
7.1%inclusion3 decks42 decks
-1%synergy
Lands
Godless Shrine
81%inclusion34 decks42 decks
39%synergy
Command Tower
79%inclusion33 decks42 decks
4%synergy
Caves of Koilos
69%inclusion29 decks42 decks
40%synergy
Vault of Champions
62%inclusion26 decks42 decks
38%synergy
Marsh Flats
60%inclusion25 decks42 decks
49%synergy
Isolated Chapel
60%inclusion25 decks42 decks
25%synergy
Bleachbone Verge
57%inclusion24 decks42 decks
49%synergy
Fetid Heath
57%inclusion24 decks42 decks
43%synergy
Shattered Sanctum
50%inclusion21 decks42 decks
35%synergy
Brightclimb Pathway
48%inclusion20 decks42 decks
39%synergy
Shadowy Backstreet
45%inclusion19 decks42 decks
35%synergy
Tainted Field
45%inclusion19 decks42 decks
32%synergy
Shineshadow Snarl
40%inclusion17 decks42 decks
28%synergy
Concealed Courtyard
36%inclusion15 decks42 decks
30%synergy
Scrubland
36%inclusion15 decks42 decks
22%synergy
Temple of Silence
33%inclusion14 decks42 decks
16%synergy
Orzhov Basilica
29%inclusion12 decks42 decks
15%synergy
Desolate Mire
24%inclusion10 decks42 decks
17%synergy
Silent Clearing
21%inclusion9 decks42 decks
17%synergy
City of Brass
21%inclusion9 decks42 decks
14%synergy
Exotic Orchard
21%inclusion9 decks42 decks
-15%synergy
Polluted Delta
19%inclusion8 decks42 decks
7%synergy
Windswept Heath
17%inclusion7 decks42 decks
6%synergy
Bloodstained Mire
17%inclusion7 decks42 decks
5%synergy
Mana Confluence
14%inclusion6 decks42 decks
7%synergy
Arid Mesa
14%inclusion6 decks42 decks
4%synergy
Verdant Catacombs
14%inclusion6 decks42 decks
3%synergy
Flooded Strand
14%inclusion6 decks42 decks
3%synergy
Reflecting Pool
12%inclusion5 decks42 decks
7%synergy
Fabled Passage
12%inclusion5 decks42 decks
2%synergy
Prismatic Vista
10%inclusion4 decks42 decks
5%synergy
Scoured Barrens
10%inclusion4 decks42 decks
1%synergy
Starting Town
7.1%inclusion3 decks42 decks
5%synergy
Sunlit Marsh
7.1%inclusion3 decks42 decks
3%synergy
Gemstone Caverns
7.1%inclusion3 decks42 decks
2%synergy
Cavern of Souls
7.1%inclusion3 decks42 decks
0%synergy
Myriad Landscape
7.1%inclusion3 decks42 decks
-8%synergy