Daruga, Dark Elder Dragon

+1: Make a copy of target creature, artifact, or enchantment you control. Sacrifice it at the beginning of your next upkeep.
-2: Daruga deals X damage to any target, where X is Daruga's loyalty.
-10: Destroy all permanents. Daruga becomes a X/X indestructible dragon with flying, where X is the number of permanents destroyed.