Othelm, Sigardian Outcast, Ashnod's Altar, and Hyrax Tower Scout

Prerequisites

• Othelm, Sigardian Outcast on the battlefield
• Ashnod's Altar on the battlefield
• Hyrax Tower Scout on the battlefield
• Othelm does not have summoning sickness

Steps

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

Results

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