Spinner of Souls is a rare Creature — Spider Spirit card from Foundations (FDN), collector number 341. Current market price: $1.21 (foil $2.10), TCGplayer market prices via Scryfall.
Reach Whenever another nontoken creature you control dies, you may reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.