Enduring Renewal, Deathrender, and Bloodflow Connoisseur

Prerequisites

• Enduring Renewal on the battlefield
• Deathrender on the battlefield
• Bloodflow Connoisseur on the battlefield

Steps

1. Activate Bloodflow Connoisseur by sacrificing the creature with Deathrender attached
2. When the creature dies, Enduring Renewal and Deathrender trigger
3. Resolve the Enduring Renewal trigger, returning the creature from your graveyard to your hand
4. Resolve the Deathrender trigger, putting the creature from your hand onto the battlefield, and attaching Deathrender to it
5. Resolve the Bloodflow Connoisseur ability, putting a +1/+1 counter on it
6. Repeat

Results

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