Melira, Sylvok Outcast, Phyrexian Altar, and Glen Elendra Archmage

Prerequisites

• Melira, Sylvok Outcast on the battlefield
• Phyrexian Altar on the battlefield
• Glen Elendra Archmage on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Glen Elendra Archmage
2. When Glen Elendra Archmage 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