Danitha, Benalia's Hope, Carrion Feeder, and Kaya's Ghostform

Prerequisites

• Danitha, Benalia's Hope on the battlefield
• Carrion Feeder on the battlefield
• Kaya's Ghostform on the battlefield
• Kaya's Ghostform attached to Danitha

Steps

1. Activate Carrion Feeder by sacrificing Danitha
2. When Danitha dies, Kaya's Ghostform triggers, returning Danitha from your graveyard to the battlefield tapped
3. When Danitha enters the battlefield, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Danitha
4. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it
5. Repeat

Results

• Infinite +1/+1 counters on Carrion Feeder
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers