Danitha, Benalia's Hope, Bloodflow Connoisseur, and Kaya's Ghostform

Prerequisites

• Danitha, Benalia's Hope on the battlefield
• Bloodflow Connoisseur on the battlefield
• Kaya's Ghostform on the battlefield
• Kaya's Ghostform attached to Danitha

Steps

1. Activate Bloodflow Connoisseur 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 Bloodflow Connoisseur ability, putting a +1/+1 counter on it
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite +1/+1 counters on Bloodflow Connoisseur