Othelm, Sigardian Outcast, Ashnod's Altar, and Sparring Mummy

Prerequisites

• Othelm, Sigardian Outcast on the battlefield
• Ashnod's Altar on the battlefield
• Sparring Mummy on the battlefield
• Othelm does not have summoning sickness

Steps

1. Activate Ashnod's Altar by sacrificing Sparring Mummy, adding
2. Activate Othelm by paying and tapping it, returning Sparring Mummy from your graveyard to the battlefield
3. Sparring Mummy enters the battlefield, untapping Othelm
4. Repeat

Results

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