Infinite ETB, Infinite LTB, Infinite mill, Infinite sacrifice triggers, Infinite self-mill, Infinite death triggers, Infinite magecraft triggers, Infinite recursion of creature cards in your graveyard
Cast Living Death by paying its mana cost
Holding priority, cast Dualcaster Mage by paying its mana cost.
When Dualcaster Mage enters, it triggers, targeting Living Death.
Holding priority, activate Altar of Dementia by sacrificing Dualcaster Mage.
Resolve the Dualcaster Mage trigger, copying Living Death
Resolve the Living Death copy, causing each player to exile all creature cards from their graveyard, sacrifice all creatures they control, and returning all cards exiled this way to the battlef
Component Cards
How It Works
Cast Living Death by paying its mana cost
Holding priority, cast Dualcaster Mage by paying its mana cost.
When Dualcaster Mage enters, it triggers, targeting Living Death.
Holding priority, activate Altar of Dementia by sacrificing Dualcaster Mage.
Resolve the Dualcaster Mage trigger, copying Living Death
Resolve the Living Death copy, causing each player to exile all creature cards from their graveyard, sacrifice all creatures they control, and returning all cards exiled this way to the battlefield under their owner's control.
Repeat from step 3.