Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite mill, Infinite self-mill, Infinite magecraft triggers
Cast Return to Action by paying its mana cost.
Holding priority, cast Dualcaster Mage by paying its mana cost.
When Dualcaster Mage enters, it triggers, copying Return to Action, with the copy targeting Dualcaster Mage.
Resolve the copy of Return to Action.
Holding priority, activate Altar of Dementia by sacrificing Dualcaster Mage.
When Dualcaster Mage dies, it triggers, returning it from your graveyard to the battlefield.
Repeat from step 3.
Resolve all Altar of Dementia abilities from step 5.
Component Cards
How It Works
Cast Return to Action by paying its mana cost.
Holding priority, cast Dualcaster Mage by paying its mana cost.
When Dualcaster Mage enters, it triggers, copying Return to Action, with the copy targeting Dualcaster Mage.
Resolve the copy of Return to Action.
Holding priority, activate Altar of Dementia by sacrificing Dualcaster Mage.
When Dualcaster Mage dies, it triggers, returning it from your graveyard to the battlefield.
Repeat from step 3.
Resolve all Altar of Dementia abilities from step 5.