Michelangelo, On the Scene, Deathrender, and Phyrexian Altar

Prerequisites

• Michelangelo, On the Scene on the battlefield
• Deathrender on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Michelangelo
2. When Michelangelo dies, it and Deathrender trigger
3. Resolve the Michelangelo trigger, returning it from your graveyard to your hand
4. Resolve the Deathrender trigger, putting Michelangelo from your hand onto the battlefield and attaching Deathrender to it
5. Repeat

Results

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