Othelm, Sigardian Outcast, Ashnod's Altar, and Coercive Recruiter

Prerequisites

• All permanents on the battlefield
• Othelm does not have summoning sickness

Steps

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

Results

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