Kiki-Jiki, Mirror Breaker, Spawning Pit, and Mardu Siegebreaker

Prerequisites

• Kiki-Jiki, Mirror Breaker on the battlefield
• Spawning Pit on the battlefield
• Mardu Siegebreaker on the battlefield
• available

Steps

1. Activate Kiki-Jiki by tapping it, creating a token copy of Mardu Siegebreaker
2. When the Mardu Siegebreaker token enters the battlefield, it triggers, exiling Kiki-Jiki until Mardu Siegebreaker leaves the battlefield
3. Activate Spawning Pit by sacrificing the Mardu Siegebreaker token
4. When the Mardu Siegebreaker token dies, Kiki-Jiki is returned from exile to the battlefield
5. Resolve the Spawning Pit ability
6. Repeat

Results

• Infinite charge counters on a permanent
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers