Bartolomé del Presidio, and Bioengineered Future

Prerequisites

• Bartolomé del Presidio on the battlefield
• Bioengineered Future on the battlefield

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 and at least one +1/+1 counter on it due to Bioengineered Future
3. Remove a -1/-1 counter and a +1/+1 counter from that creature as a state-based action
4. Resolve the Bartolomé del Presidio ability
5. Repeat

Results

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