Footsteps of the Goryo, Dualcaster Mage, and Carrion Feeder

Prerequisites

• Footsteps of the Goryo in hand
• Dualcaster Mage in hand
• Carrion Feeder on the battlefield
• 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 triggers, targeting Footsteps of the Goryo
4. Holding priority, activate Carrion Feeder by sacrificing Dualcaster Mage, putting a +1/+1 counter on Carrion Feeder
5. 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
6. Repeat from step 3

Results

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite magecraft triggers