Lord Tirek, King of Evil

X: Exile target nonland permanent. X must be equal to its converted mana cost. You lose X life. Sacrifice X permanents.
-1: Search your library for a card and put that card into your hand. Draw a card. Then discard a card and lose 2 life.
-X: X cannot be less than 12. Sacrifice X creatures. Draw X cards. Exile X target permanents. Each opponent loses X life and discards X cards.