Blasting Station, Footsteps of the Goryo, and Dualcaster Mage

Prerequisites

• Blasting Station on the battlefield
• Footsteps of the Goryo in hand
• Dualcaster Mage in hand
• available

Steps

1. Cast Footsteps of the Goryo 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, with Dualcaster Mage targeting Footsteps of the Goryo
4. Resolve the Blasting Station trigger, untapping it
5. Holding priority, activate Blasting Station by tapping it and sacrificing Dualcaster Mage, dealing 1 damage to any target
6. Resolve the Dualcaster Mage trigger, copying Footsteps of the Goryo Resolve the Footsteps of the Goryo copy, returning Dualcaster Mage from your graveyard to the battlefield
7. Repeat from step 3

Results

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