Carrion Feeder, Wormfang Drake, and Hero of the Dunes

Prerequisites

• Carrion Feeder on the battlefield
• Wormfang Drake in hand
• Hero of the Dunes on the battlefield
• available

Steps

1. Cast Wormfang Drake by paying its mana cost
2. When Wormfang Drake enters, its first ability triggers, exiling Hero of the Dunes
3. Activate Carrion Feeder by sacrificing Wormfang Drake
4. When Wormfang Drake dies, its second ability triggers, returning Hero of the Dunes from exile to the battlefield
5. When Hero of the Dunes enters, it triggers, returning Wormfang Drake from your graveyard to the battlefield
6. When Wormfang Drake enters, its first ability triggers, exiling Hero of the Dunes
7. Resolve the Carrion Feeder ability
8. Repeat from step 3

Results

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