Cait Sith, Fortune Teller is a rare Legendary Artifact Creature — Cat Moogle card from Final Fantasy Commander (FIC), collector number 151. Current market price: $0.99 (foil $5.84), TCGplayer market prices via Scryfall.
Lucky Slots — At the beginning of combat on your turn, scry 1, then exile the top card of your library. You may play that card this turn. When you exile a card this way, target creature you control gets +X/+0 until end of turn, where X is that card's mana value.