Nicol Bolas, the Heinous

+2: Target creature gains "Whenever this creature deals combat damage to a player, that player discards a card" until end of turn.
-3: The next time target player would cast a spell counter that spell instead.
-9: Destroy all creatures. You get an emblem with "You may cast creatures from greayards. You may spend mana as though it's mana of any color."