Kiki-Jiki, Mirror Breaker, Sister Hospitaller, and Bloodthrone Vampire

Prerequisites

• Kiki-Jiki, Mirror Breaker on the battlefield
• Sister Hospitaller on the battlefield
• Bloodthrone Vampire on the battlefield

Steps

1. Activate Kiki-Jiki by tapping it, targeting Sister Hospitaller Holding priority, activate Bloodthrone Vampire by sacrificing Kiki-Jiki Resolve the Kiki-Jiki ability, creating a token copy of Sister Hospitaller with haste
2. When the Sister Hospitaller token enters, it triggers, returning Kiki-JIki from your graveyard to the battlefield and causing you to gain 5 life Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite creature tokens with haste
• Infinite death triggers
• Infinitely large creature until end of turn