Spined Megalodon is a common Creature — Shark card from The List (PLST), collector number M21-72. Current market price: $0.12, TCGplayer market prices via Scryfall.
Hexproof (This creature can't be the target of spells or abilities your opponents control.) Whenever this creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)