Disa the Restless, Mimic Vat, and Umbral Collar Zealot

Prerequisites

• Disa the Restless on the battlefield
• Mimic Vat on the battlefield
• Umbral Collar Zealot on the battlefield

Steps

1. Activate Umbral Collar Zealot by sacrificing a nontoken Lhurgoyf
2. When the Lhurgoyf dies, Mimic Vat triggers, exiling the Lhurgoyf from your graveyard and returning the Lhurgoyf that was exiled to your graveyard
3. Disa's first ability triggers, putting the Lhurgoyf from your graveyard onto the battlefield
4. Resolve the Umbral Collar Zealot ability, putting a +1/+1 counter on it
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite surveil 1