Carrion Feeder, Wormfang Drake, and Angel of Indemnity

Prerequisites

• Carrion Feeder on the battlefield
• Wormfang Drake in hand
• Angel of Indemnity on the battlefield
• available

Steps

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