Bloodflow Connoisseur, and Grumgully, the Generous

Prerequisites

• Bloodflow Connoisseur on the battlefield
• Grumgully, the Generous on the battlefield

Steps

1. Activate Bloodflow Connoisseur by sacrificing the persist creature
2. When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Grumgully Resolve the Bloodflow Connoisseur ability
3. Repeat

Results

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