Morsel Theft is a common Kindred Sorcery — Rogue card from Morningtide (MOR), collector number 68. Current market price: $0.22 (foil $1.16), TCGplayer market prices via Scryfall.
Prowl {1}{B} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Target player loses 3 life and you gain 3 life. If this spell's prowl cost was paid, draw a card.