Thran Vigil, and Bartolomé del Presidio

Prerequisites

• Thran Vigil on the battlefield
• Bartolomé del Presidio on the battlefield
• The persist creature does not have a -1/-1 counter on it
• It is your turn

Steps

1. Activate Bartolomé del Presidio by sacrificing the persist creature
2. When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. Thran Vigil triggers, putting a +1/+1 counter on the persist creature
4. Resolve the Bartolomé del Presidio ability, putting a +1/+1 counter on it
5. Repeat

Results

• Infinite +1/+1 counters on Bartolomé del Presidio
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers