Melira, Sylvok Outcast, Umbral Collar Zealot, and Trapjaw Kelpie

Prerequisites

• Melira, Sylvok Outcast on the battlefield
• Umbral Collar Zealot on the battlefield
• Trapjaw Kelpie on the battlefield

Steps

1. Activate Umbral Collar Zealot by sacrificing Trapjaw Kelpie
2. When Trapjaw Kelpie dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Melira
3. Resolve the Umbral Collar Zealot ability Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite surveil