The Destined Thief is a rare Legendary Creature — Human Rogue card from Final Fantasy Commander (FIC), collector number 446. Current market price: $3.87 (foil $3.03), TCGplayer market prices via Scryfall.
The Destined Thief can't be blocked. {U}, {T}: Another target creature you control can't be blocked this turn. Whenever one or more creatures you control deal combat damage to one or more players, draw a card, then discard a card. If you have a full party, instead draw three cards.