Dross Scorpion, Detective's Satchel, and Bartolomé del Presidio

Prerequisites

• Dross Scorpion on the battlefield
• Detective's Satchel on the battlefield
• Bartolomé del Presidio on the battlefield

Steps

1. Activate Detective's Satchel by tapping it, creating a 1/1 Thopter artifact creature token
2. Activate Bartolomé del Presidio by sacrificing the Thopter
3. When the Thopter dies, Dross Scorpion triggers, untapping Detective's Satchel
4. Resolve the Bartolomé del Presidio ability
5. Repeat

Results

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