Melira, Sylvok Outcast, Phyrexian Altar, and Lingering Tormentor

Prerequisites

• Melira, Sylvok Outcast on the battlefield
• Phyrexian Altar on the battlefield
• Lingering Tormentor on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Lingering Tormentor
2. When Lingering Tormentor dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Melira
3. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite colored mana
• Infinite death triggers
• Infinite sacrifice triggers