Melira, Sylvok Outcast, Shilgengar, Sire of Famine, and Gravelgill Axeshark

Prerequisites

• Melira, Sylvok Outcast on the battlefield
• Shilgengar, Sire of Famine on the battlefield
• Gravelgill Axeshark on the battlefield

Steps

1. Activate Shilgengar by sacrificing Gravelgill Axeshark
2. When Gravelgill Axeshark 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 Shilgengar ability Repeat

Results

• Infinite Blood tokens
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers