Melira, Sylvok Outcast, Umbral Collar Zealot, and Thunderblust

Prerequisites

• Melira, Sylvok Outcast on the battlefield
• Umbral Collar Zealot on the battlefield
• Thunderblust on the battlefield

Steps

1. Activate Umbral Collar Zealot by sacrificing Thunderblust
2. When Thunderblust 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 creature ETB
• Infinite creature LTB
• Infinite death triggers
• Infinite creature sacrifice triggers
• Infinite surveil