Zur, Exiled Immortal

+2: Look at the top card of your library. If it's an enchantment, you may reveal it and put it into your hand.
-1: Create a black Aura enchantment token named Curse attached to target creature. The token has enchant creature and "Enchanted creature has -1/-1."
-4: Until your next upkeep, Enchantments and enchanted permanents you control have indestructible and hexproof.