Sea Gate Wreckage is a rare Land card from Oath of the Gatewatch Promos (POGW), collector number 177s. Current market price: — (foil $1.62), 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.