Ashnod's Altar + Dualcaster Mage + Dread Return

Prerequisites

• You have a creature card in your graveyard.

Steps

1. 1Cast Dread Return by paying its mana cost
2. 2Holding priority, cast Dualcaster Mage by paying its mana cost.
3. 3When Dualcaster Mage enters, it triggers, targeting Dread Return.
4. 4Holding priority, activate Ashnod's Altar by sacrificing Dualcaster Mage.
5. 5Resolve the Dualcaster Mage trigger, copying Dread Return
6. 6Resolve the Dread Return copy, returning Dualcaster Mage from your graveyard to the battlefield.
7. 7Repeat from step 3.

Effects

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite sacrifice triggers