Dualcaster Mage, Sevinne's Reclamation, and Ashnod's Altar

Prerequisites

• Dualcaster Mage in hand
• Sevinne's Reclamation in hand
• Ashnod's Altar on the battlefield
• undefined available

Steps

1. Cast Sevinne's Reclamation by paying , targeting any valid target in the graveyard
2. In response, cast Dualcaster Mage by paying
3. Dualcaster Mage enters the battlefield, triggering itself, targeting Sevinne's Reclamation
4. In response, activate Ashnod's Altar by sacrificing Dualcaster Mage, adding
5. Resolve the Dualcaster Mage trigger, putting a copy of Sevinne's Reclamation on the stack targeting Dualcaster Mage
6. Resolve the Sevinne's Reclamation copy, returning Dualcaster Mage from your graveyard to the battlefield
7. Repeat from step 3

Results

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