Othelm, Sigardian Outcast, Thornbite Staff, and Composite Golem

Prerequisites

• Othelm, Sigardian Outcast on the battlefield
• Thornbite Staff on the battlefield
• Composite Golem on the battlefield
• Thornbite Staff attached to Othelm
• Othelm does not have summoning sickness

Steps

1. Activate Composite Golem by sacrificing it, adding
2. Othelm triggers, untapping itself
3. Activate Othelm by paying and tapping it, returning Composite Golem from your graveyard to the battlefield tapped
4. Repeat

Results

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