Tidewater Minion is a common Creature — Elemental Minion card from Ravnica: City of Guilds (RAV), collector number 71. Current market price: $0.19 (foil $1.79), TCGplayer market prices via Scryfall.
Defender (This creature can't attack.) {4}: This creature loses defender until end of turn. {T}: Untap target permanent.