Blasting Station, Pain 101, and Dualcaster Mage

Prerequisites

• Blasting Station on the battlefield
• Pain 101 in hand
• Dualcaster Mage in hand
• available

Steps

1. Cast Pain 101 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 Pain 101, with the copy targeting Dualcaster Mage
6. Resolve the copy of Pain 101
7. Holding priority, activate Blasting Station by tapping it and sacrificing Dualcaster Mage
8. When Dualcaster Mage dies, it triggers, returning it from your graveyard to the battlefield
9. Repeat from step 3
10. Resolve all Blasting Station abilities from step 7

Results

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