Rakdos, The Doom

Flying, Trample Ward—Pay 7 life. Players cannot gain life. Players cannot draw cards, except for the first card they would draw in each of their draw steps. Whenever a player casts a spell, that player loses 1 life for each spell that player has cast this turn. Each other nonland permanent has: “At the beginning of your upkeep, lose X life or sacrifice this permanent” where X is its mana value.