Altar of Dementia + Return to Action Combos

2 known combos featuring both cards in Commander

Infinite LTB Infinite ETB Infinite sacrifice triggers Infinite death triggers Infinite mill

Combo 1 with Dualcaster Mage

Also requires: Dualcaster Mage Dualcaster Mage
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite mill · Infinite self-mill · Infinite magecraft triggers
Steps
  1. Cast Return to Action by paying its mana cost.
  2. Holding priority, cast Dualcaster Mage by paying its mana cost.
  3. When Dualcaster Mage enters, it triggers, copying Return to Action, with the copy targeting Dualcaster Mage.
  4. Resolve the copy of Return to Action.
  5. Holding priority, activate Altar of Dementia by sacrificing Dualcaster Mage.
  6. When Dualcaster Mage dies, it triggers, returning it from your graveyard to the battlefield.
  7. Repeat from step 3.
  8. Resolve all Altar of Dementia abilities from step 5.

Combo 2 with Naru Meha, Master Wizard

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite mill · Infinite self-mill · Infinite magecraft triggers
Show steps
  1. Cast Return to Action by paying its mana cost.
  2. Holding priority, cast Naru Meha by paying its mana cost.
  3. When Naru Meha enters, it triggers, copying Return to Action, with the copy targeting Naru Meha.
  4. Resolve the copy of Return to Action.
  5. Holding priority, activate Altar of Dementia by sacrificing Naru Meha.
  6. When Naru Meha dies, it triggers, returning it from your graveyard to the battlefield.
  7. Repeat from step 3.
  8. Resolve all Altar of Dementia abilities from step 5.
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