Sunken Palace (M3C) #81 [EN/N]

Land — Cave · This land enters tapped. {T}: Add {U}. {1}{U}, {T}, Exile seven cards from your graveyard: Add {U}. When you spend this mana to cast a spell or activate an ability, copy that spell or ability. You may choose new targets for the copy. (Mana abilities can't be copied.) · Illustrated by Julian Kok Joon Wen · Modern Horizons 3 Commander #81 · EDHREC rank 4385 · Magic: The Gathering, MTG