Shipwreck Dowser is a common Creature — Merfolk Wizard card from Foundations Jumpstart (J25), collector number 354. Current market price: $0.30, TCGplayer market prices via Scryfall.
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When this creature enters, return target instant or sorcery card from your graveyard to your hand.