Sea Gate Wreckage is a rare Land card from Oath of the Gatewatch (OGW), collector number 177. Current market price: $0.30 (foil $0.64), TCGplayer market prices via Scryfall.
{T}: Add {C}. ({C} represents colorless mana.) {2}{C}, {T}: Draw a card. Activate only if you have no cards in hand.