Basri's Lieutenant, Securitron Squadron, and Bartolomé del Presidio

Prerequisites

• Basri's Lieutenant on the battlefield
• Securitron Squadron on the battlefield
• Bartolomé del Presidio on the battlefield
• You control at least one additional creature with at least one +1/+1 counter

Steps

1. Activate Bartolomé del Presidio by sacrificing a creature with at least one +1/+1 counter
2. Basri's Lieutenant triggers, creating a 2/2 Knight creature token
3. When the Knight token enters the battlefield, Securitron Squadron triggers, putting a +1/+1 counter on the Knight
4. Resolve the Bartolomé del Presidio 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 Bartolomé del Presidio