Altar of Dementia + Dualcaster Mage + Prison Break

Prerequisites

• You have a creature card in your graveyard.

Steps

1. 1Cast Prison Break either from your hand by paying or from your graveyard for its mayhem cost by paying , targeting any applicable target.
2. 2Holding priority, cast Dualcaster Mage by paying its mana cost.
3. 3When Dualcaster Mage enters, it triggers, targeting Prison Break.
4. 4Holding priority, activate Altar of Dementia by sacrificing Dualcaster Mage.
5. 5Resolve the Dualcaster Mage trigger, copying Prison Break, with the copy targeting Dualcaster Mage
6. 6Resolve the Prison Break copy, returning Dualcaster Mage from your graveyard to the battlefield.
7. 7Repeat from step 3.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite magecraft triggers
• Infinite mill
• Infinite self-mill