Melira, Sylvok Outcast, Trapjaw Kelpie, and Yahenni, Undying Partisan

Prerequisites

• Melira, Sylvok Outcast on the battlefield
• Trapjaw Kelpie on the battlefield
• Yahenni, Undying Partisan on the battlefield

Steps

1. Activate Yahenni 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 Yahenni ability Repeat

Results

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