Michelangelo, On the Scene, Elvish Piper, Phyrexian Altar, and Thornbite Staff

Prerequisites

• Michelangelo, On the Scene in hand
• Elvish Piper on the battlefield
• Phyrexian Altar on the battlefield
• Thornbite Staff on the battlefield
• available

Steps

1. Activate Elvish Piper by paying and tapping it, putting Michelangelo from your hand to the battlefield
2. Activate Phyrexian Altar by sacrificing Michelangelo, adding
3. When Michelangelo dies, it and Elvish Piper trigger
4. Resolve the Michelangelo trigger, returning it from your graveyard to your hand
5. Resolve the Elvish Piper trigger, untapping it
6. Repeat

Results

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