Kiki-Jiki, Mirror Breaker, Thornbite Staff, and Goblin Sharpshooter

Prerequisites

• Kiki-Jiki, Mirror Breaker on the battlefield
• Thornbite Staff on the battlefield
• Goblin Sharpshooter on the battlefield
• Thornbite Staff attached to Kiki-Jiki
• Goblin Sharpshooter does not have summoning sickness

Steps

1. Activate Kiki-Jiki by tapping it, creating a token copy of Goblin Sharpshooter with haste
2. Activate the nontoken Goblin Sharpshooter by tapping it, dealing 1 damage to any target
3. Activate the token Goblin Sharpshooter by tapping it, dealing 1 damage to itself
4. The token dies as a state-based action due to having zero toughness, triggering Kiki-Jiki and Goblin Sharpshooter
5. Resolve both triggers, untapping Kiki-Jiki and Goblin Sharpshooter
6. Repeat

Results

• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB