Dualcaster Mage, Fake Your Own Death, and Ashnod's Altar

Prerequisites

• Dualcaster Mage in hand
• Fake Your Own Death in hand
• Ashnod's Altar on the battlefield
• There is at least one creature on the battlefield
• available

Steps

1. Cast Fake Your Own Death by paying , targeting any creature
2. Holding priority, cast Dualcaster Mage by paying
3. When Dualcaster Mage enters the battlefield, it triggers, copying Fake Your Own Death, targeting Dualcaster Mage
4. Resolve the copy of Fake Your Own Death
5. Holding priority, activate Ashnod's Altar by sacrificing Dualcaster Mage, adding
6. When Dualcaster Mage dies, it triggers, returning itself from your graveyard to the battlefield and creating a Treasure token
7. Repeat from step 3

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite sacrifice triggers
• Infinite Treasure tokens