Captain Storm, Cosmium Raider, Lesser Masticore, Bartolomé del Presidio, and Xenograft

Prerequisites

• Captain Storm, Cosmium Raider on the battlefield
• Lesser Masticore on the battlefield
• Bartolomé del Presidio on the battlefield
• Xenograft on the battlefield
• Lesser Masticore does not have a -1/-1 counter on it

Steps

1. Activate Bartolomé del Presidio by sacrificing Lesser Masticore
2. When Lesser Masticore dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. When Lesser Masticore enters the battlefield, Captain Storm triggers, putting a +1/+1 counter on Lesser Masticore
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