Terror Tide [The Lost Caverns of Ixalan Prerelease Cards]

Set: The Lost Caverns of Ixalan Prerelease Cards Type: Sorcery Rarity: Rare Cost: {2}{B}{B} Fathomless descent — All creatures get -X/-X until end of turn, where X is the number of permanent cards in your graveyard. Those who go under rise again as cruel mockeries of their former selves, spewing foul water and keening with sorrow.