This clever engine turns Xu-Ifit, Osteoharmonist into a relentless reanimation machine by wrapping up its sorcery-speed graveyard recursion with a tidy sacrifice loop. Once you use Goblin Bombardment to sacrifice the creature Xu-Ifit brought back, the resulting death trigger satisfies Thornbite Staff's static ability, which immediately untaps the osteoharmonist so it can bring the same creature right back for an encore. While Thornbite Staff is typically known for its pinging and untapping antics, here it acts as the vital untap bridge, letting you repeat the cycle endlessly to blast your opponents for infinite damage.