Eirdu, Carrier of Dawn
Altar of Dementia
Vengeful Vampire

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Eirdu as Isilu, Carrier of Twilight on the battlefield and Vengeful Vampire without a +1/+1 counter on it on the battlefield).

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing Vengeful Vampire
2
When Vengeful Vampire dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3
Activate Altar of Dementia by sacrificing Vengeful Vampire
4
When Vengeful Vampire dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
5
Resolve both Altar of Dementia abilities from step 1 and 3.
6
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite death triggers
Infinite mill
Infinite sacrifice triggers
Infinite self-mill
Eirdu, Carrier of Dawn
0.3%inclusion14 decks4.22K decks
Celes, Rune Knight
0.0%inclusion1 decks5.12K decks
Oloro, Ageless Ascetic
0.0%inclusion1 decks8.41K decks
New Cards
Splinter's Technique
9.1%inclusion1 decks11 decks
8%synergy
High Synergy Cards
Geralf's Messenger
94%inclusion15 decks16 decks
93%synergy
Evernight Shade
88%inclusion14 decks16 decks
87%synergy
Butcher Ghoul
81%inclusion13 decks16 decks
81%synergy
Sightless Ghoul
75%inclusion12 decks16 decks
75%synergy
Ashnod's Altar
81%inclusion13 decks16 decks
75%synergy
Mikaeus, the Unhallowed
75%inclusion12 decks16 decks
73%synergy
Zulaport Cutthroat
75%inclusion12 decks16 decks
66%synergy
Elas il-Kor, Sadistic Pilgrim
75%inclusion12 decks16 decks
66%synergy
Phyrexian Altar
69%inclusion11 decks16 decks
65%synergy
Blood Artist
75%inclusion12 decks16 decks
64%synergy
Top Cards
Bastion of Remembrance
69%inclusion11 decks16 decks
62%synergy
Cruel Celebrant
69%inclusion11 decks16 decks
62%synergy
Viscera Seer
69%inclusion11 decks16 decks
61%synergy
Pitiless Plunderer
69%inclusion11 decks16 decks
60%synergy
Bartolomé del Presidio
63%inclusion10 decks16 decks
58%synergy
Corpse Knight
63%inclusion10 decks16 decks
57%synergy
Swords to Plowshares
63%inclusion10 decks16 decks
2%synergy
Solemnity
56%inclusion9 decks16 decks
55%synergy
Carrion Feeder
56%inclusion9 decks16 decks
52%synergy
Teysa Karlov
56%inclusion9 decks16 decks
52%synergy
Game Changers
Demonic Tutor
19%inclusion3 decks16 decks
0%synergy
Smothering Tithe
19%inclusion3 decks16 decks
-2%synergy
Creatures
Elenda, the Dusk Rose
50%inclusion8 decks16 decks
45%synergy
Vizier of Remedies
44%inclusion7 decks16 decks
44%synergy
Hancock, Ghoulish Mayor
44%inclusion7 decks16 decks
43%synergy
Junji, the Midnight Sky
44%inclusion7 decks16 decks
41%synergy
Luminous Broodmoth
44%inclusion7 decks16 decks
41%synergy
Umbral Collar Zealot
44%inclusion7 decks16 decks
41%synergy
Morbid Opportunist
44%inclusion7 decks16 decks
36%synergy
Rhys, the Evermore
42%inclusion5 decks12 decks
41%synergy
Demonlord of Ashmouth
38%inclusion6 decks16 decks
37%synergy
Vengeful Bloodwitch
38%inclusion6 decks16 decks
36%synergy
Marionette Apprentice
38%inclusion6 decks16 decks
33%synergy
Warren Soultrader
38%inclusion6 decks16 decks
32%synergy
Syr Konrad, the Grim
38%inclusion6 decks16 decks
29%synergy
Solemn Simulacrum
38%inclusion6 decks16 decks
25%synergy
Endling
31%inclusion5 decks16 decks
31%synergy
Emptiness
31%inclusion5 decks16 decks
31%synergy
Yahenni, Undying Partisan
31%inclusion5 decks16 decks
28%synergy
Sun Titan
31%inclusion5 decks16 decks
23%synergy
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31%inclusion5 decks16 decks
23%synergy
Esper Sentinel
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12%synergy
Treacherous Pit-Dweller
25%inclusion4 decks16 decks
25%synergy
Scholar of New Horizons
25%inclusion4 decks16 decks
24%synergy
Woe Strider
25%inclusion4 decks16 decks
23%synergy
Sephiroth, Fabled SOLDIER
25%inclusion4 decks16 decks
23%synergy
Grim Haruspex
25%inclusion4 decks16 decks
22%synergy
Yawgmoth, Thran Physician
25%inclusion4 decks16 decks
22%synergy
Ayara, First of Locthwain
25%inclusion4 decks16 decks
22%synergy
Zack Fair
19%inclusion3 decks16 decks
17%synergy
Bitterbloom Bearer
19%inclusion3 decks16 decks
16%synergy
Midnight Reaper
19%inclusion3 decks16 decks
16%synergy
Welcoming Vampire
19%inclusion3 decks16 decks
13%synergy
Braids, Arisen Nightmare
19%inclusion3 decks16 decks
12%synergy
Grand Abolisher
19%inclusion3 decks16 decks
10%synergy
Instants
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56%inclusion9 decks16 decks
9%synergy
Corrupted Conviction
38%inclusion6 decks16 decks
33%synergy
Despark
38%inclusion6 decks16 decks
24%synergy
Undying Evil
31%inclusion5 decks16 decks
31%synergy
Generous Gift
31%inclusion5 decks16 decks
10%synergy
Dark Ritual
31%inclusion5 decks16 decks
7%synergy
Fracture
25%inclusion4 decks16 decks
20%synergy
Inkshield
25%inclusion4 decks16 decks
18%synergy
Village Rites
25%inclusion4 decks16 decks
16%synergy
Deadly Dispute
25%inclusion4 decks16 decks
13%synergy
Anguished Unmaking
25%inclusion4 decks16 decks
0%synergy
Mortify
19%inclusion3 decks16 decks
8%synergy
Deadly Rollick
19%inclusion3 decks16 decks
5%synergy
Sorceries
Damn
31%inclusion5 decks16 decks
16%synergy
Reanimate
31%inclusion5 decks16 decks
12%synergy
Blasphemous Edict
25%inclusion4 decks16 decks
19%synergy
Night's Whisper
19%inclusion3 decks16 decks
9%synergy
Victimize
19%inclusion3 decks16 decks
6%synergy
Utility Artifacts
Skullclamp
56%inclusion9 decks16 decks
45%synergy
Blasting Station
25%inclusion4 decks16 decks
25%synergy
Enchantments
Cathars' Crusade
50%inclusion8 decks16 decks
45%synergy
The Meathook Massacre
31%inclusion5 decks16 decks
26%synergy
Phyrexian Arena
31%inclusion5 decks16 decks
16%synergy
Haunted One
25%inclusion4 decks16 decks
24%synergy
Grave Pact
25%inclusion4 decks16 decks
20%synergy
Black Market
19%inclusion3 decks16 decks
15%synergy
Planeswalkers
Liliana, Dreadhorde General
25%inclusion4 decks16 decks
21%synergy
Utility Lands
Reliquary Tower
31%inclusion5 decks16 decks
2%synergy
Phyrexian Tower
25%inclusion4 decks16 decks
16%synergy
Abandoned Air Temple
20%inclusion3 decks15 decks
15%synergy
Susur Secundi, Void Altar
19%inclusion3 decks16 decks
16%synergy
High Market
19%inclusion3 decks16 decks
16%synergy
Urborg, Tomb of Yawgmoth
19%inclusion3 decks16 decks
10%synergy
Vault of the Archangel
19%inclusion3 decks16 decks
7%synergy
Bojuka Bog
19%inclusion3 decks16 decks
-11%synergy
Mana Artifacts
Sol Ring
94%inclusion15 decks16 decks
10%synergy
Arcane Signet
81%inclusion13 decks16 decks
9%synergy
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50%inclusion8 decks16 decks
27%synergy
Talisman of Hierarchy
50%inclusion8 decks16 decks
24%synergy
Fellwar Stone
44%inclusion7 decks16 decks
23%synergy
Mind Stone
38%inclusion6 decks16 decks
23%synergy
Thought Vessel
38%inclusion6 decks16 decks
20%synergy
The Soul Stone
25%inclusion4 decks16 decks
21%synergy
Lands
Command Tower
75%inclusion12 decks16 decks
1%synergy
Tainted Field
56%inclusion9 decks16 decks
44%synergy
Fetid Heath
56%inclusion9 decks16 decks
42%synergy
Isolated Chapel
56%inclusion9 decks16 decks
22%synergy
Caves of Koilos
50%inclusion8 decks16 decks
21%synergy
Godless Shrine
50%inclusion8 decks16 decks
9%synergy
Desolate Mire
44%inclusion7 decks16 decks
37%synergy
Vault of Champions
44%inclusion7 decks16 decks
20%synergy
Bleachbone Verge
38%inclusion6 decks16 decks
29%synergy
Shineshadow Snarl
38%inclusion6 decks16 decks
25%synergy
Orzhov Basilica
38%inclusion6 decks16 decks
24%synergy
Shattered Sanctum
38%inclusion6 decks16 decks
22%synergy
Exotic Orchard
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1%synergy
Brightclimb Pathway
31%inclusion5 decks16 decks
23%synergy
Shadowy Backstreet
31%inclusion5 decks16 decks
21%synergy
Temple of Silence
31%inclusion5 decks16 decks
14%synergy
Sunlit Marsh
19%inclusion3 decks16 decks
15%synergy
Concealed Courtyard
19%inclusion3 decks16 decks
13%synergy
Marsh Flats
19%inclusion3 decks16 decks
8%synergy
Evolving Wilds
19%inclusion3 decks16 decks
-2%synergy
Path of Ancestry
19%inclusion3 decks16 decks
-4%synergy