Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite mill, Infinite self-mill, Infinite magecraft triggers
Cast Extract from Darkness by paying its mana cost
Holding priority, cast Dualcaster Mage by paying its mana cost.
When Dualcaster Mage enters, it triggers, targeting Extract from Darkness.
Holding priority, activate Altar of Dementia by sacrificing Dualcaster Mage.
Resolve the Dualcaster Mage trigger, copying Extract from Darkness
Resolve the Extract from Darkness copy, causing each player to mill two cards and returning Dualcaster Mage from your graveyard to the battlefield.
Repeat from step 3
Component Cards
How It Works
Cast Extract from Darkness by paying its mana cost
Holding priority, cast Dualcaster Mage by paying its mana cost.
When Dualcaster Mage enters, it triggers, targeting Extract from Darkness.
Holding priority, activate Altar of Dementia by sacrificing Dualcaster Mage.
Resolve the Dualcaster Mage trigger, copying Extract from Darkness
Resolve the Extract from Darkness copy, causing each player to mill two cards and returning Dualcaster Mage from your graveyard to the battlefield.
Repeat from step 3.