Thanos, Stone Bearer

+2: Deal 3 damage to target creature and you gain 3 life. All permanents and players lose hexproof until end of turn.
-4: Target creature loses indestructible until end of turn. Then, destroy target creature. Then, draw a card or discard a card.
-12: Exile half of each players' permanents at random, rounded. Your life is equal to the total converted mana cost of permanents exiled this way.