Blasting Station, Return to Action, and Dualcaster Mage

Prerequisites

• Blasting Station on the battlefield
• Return to Action in hand
• Dualcaster Mage in hand
• available

Steps

1. Cast Return to Action by paying its mana cost
2. Holding priority, cast Dualcaster Mage by paying its mana cost
3. When Dualcaster Mage enters, it and Blasting Station trigger
4. Resolve the Blasting Station trigger, untapping it
5. Resolve the Dualcaster Mage trigger, copying Return to Action, with the copy targeting Dualcaster Mage
6. Resolve the copy of Return to Action
7. Holding priority, activate Blasting Station by tapping it and sacrificing Dualcaster Mage
8. When Dualcaster Mage dies, Return to Action triggers, returning Dualcaster Mage from your graveyard to the battlefield
9. Repeat from step 3
10. Resolve all Blasting Station abilities from step 5

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite damage
• Infinite magecraft triggers