Squidnapper is a rare Creature — Squid Pirate card from Mystery Booster Playtest Cards 2019 (CMB1), collector number 29. Current market price: $0.50, TCGplayer market prices via Scryfall.
When Squidnapper enters, gain control of target creature an opponent controls until Squidnapper leaves the battlefield or that player pays the ransom. Ransom — {6} and 2 life