Altaïr Ibn-La'Ahad
Éomer, Marshal of Rohan
Altar of Dementia
Conspiracy

   Prerequisites

What do I need to start this combo?
Éomer in your graveyard.
All other permanents on the battlefield.
Altaïr does not have summoning sickness. An opponent cannot block and kill Altaïr. You have at least one legendary creature card exiled with a memory counter on it. Conspiracy on the battlefield with "Assassin" chosen.

   Steps

How does this combo work?
1
Declare Altaïr as an attacker. Altaïr triggers, exiling Éomer from your graveyard with a memory counter on it, and then creating a tapped and attacking token copy of each card you own that is exiled with a memory counter on it.
2
Activate Altar of Dementia by sacrificing another legendary creature token except Éomer.
3
When the creature dies, Éomer triggers, untapping all creatures you control and causing you to get an additional combat phase after this one.
4
Resolve the Altar of Dementia ability.
5
Repeat during each combat phase.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite mill
Infinite self-mill
Infinite combat phases
Altaïr Ibn-La'Ahad
0.3%inclusion17 decks5.29K decks
New Cards
Raphael, Tag Team Tough
100%inclusion1 decks1 decks
100%synergy
High Synergy Cards
Maskwood Nexus
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93%synergy
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88%inclusion14 decks16 decks
86%synergy
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88%inclusion14 decks16 decks
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83%synergy
The Animus
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Top Cards
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70%synergy
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75%inclusion12 decks16 decks
70%synergy
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71%inclusion12 decks17 decks
55%synergy
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66%synergy
Ripples of Undeath
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60%synergy
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56%synergy
Game Changers
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11%synergy
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8%synergy
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-9%synergy
Creatures
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52%synergy
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Unstoppable Slasher
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44%synergy
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34%synergy
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Raffine's Silencer
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Instants
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Entomb
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20%synergy
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Demand Answers
18%inclusion3 decks17 decks
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Big Score
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Anguished Unmaking
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Sorceries
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38%synergy
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22%synergy
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22%synergy
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Utility Artifacts
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23%synergy
Haystack
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22%synergy
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21%synergy
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18%synergy
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17%synergy
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15%synergy
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Enchantments
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Command Beacon
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Mana Artifacts
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-7%synergy
Rakdos Signet
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Orzhov Signet
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Lands
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19%synergy
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33%synergy
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18%synergy
Elegant Parlor
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49%synergy
Brotherhood Headquarters
56%inclusion9 decks16 decks
55%synergy
Vault of Champions
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19%synergy
Path of Ancestry
53%inclusion9 decks17 decks
16%synergy
Sacred Foundry
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Arid Mesa
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16%synergy
Luxury Suite
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15%synergy
Savai Triome
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Haunted Ridge
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15%synergy
Marsh Flats
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Spectator Seating
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3%synergy
Clifftop Retreat
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-14%synergy
Tainted Peak
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19%synergy
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-10%synergy
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-12%synergy
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-35%synergy
Hidden Grotto
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23%synergy
Conduit Pylons
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18%synergy
Flooded Strand
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11%synergy
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9%synergy
Unclaimed Territory
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9%synergy
Brightclimb Pathway
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8%synergy
Tainted Field
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6%synergy
Sulfurous Springs
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-9%synergy