Underground Sea • Revised Edition (3ED) #290,Underground Sea from my childhood collection. How do I know which version/set this card is from? What is the best grading company for MTG? Would SGC be a waste? : r/magicTCG,Underground Sea · Legacy Championship (OLGC) #2016EU · Scryfall Magic The Gathering Search,ミントモール / MINT 渋谷店 / 【英語】《Underground Sea》【3ED EN】【EX】