Xu-Ifit, Osteoharmonist, Thornbite Staff, and Evereth, Viceroy of Plunder

Prerequisites

• Xu-Ifit, Osteoharmonist on the battlefield
• Thornbite Staff on the battlefield
• Evereth, Viceroy of Plunder on the battlefield

Steps

1. Activate Xu-Ifit by tapping it, returning a creature card from your graveyard to the battlefield
2. Activate Evereth by sacrificing the creature returned in step 1
3. When the creature dies, Xu-Ifit triggers, untapping itself
4. Resolve the Evereth ability
5. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite damage