This loop turns the simple act of sacrifice into a towering mechanical engine, fueled by the terrifying synergy of Displaced Dinosaurs making every new artifact enter the battlefield as a massive 7/7 creature. You use Umbral Collar Zealot to sacrifice one of these newly minted dinosaur artifacts, which immediately triggers Pitiless Plunderer to spawn a brand-new Treasure token. Because of Displaced Dinosaurs, that replacement Treasure also enters as a 7/7 creature ready to be fed right back into Umbral Collar Zealot's sacrifice ability, letting you endlessly repeat the cycle to churn through your library with infinite surveil triggers.