Taylor, Lord of Might

+2: Target creature gains +X/+X and Trample until the end of turn where X is equal to that creature's converted mana cost.
-4: Taylor, Lord of Might deals 4 damage to target creature. If that creature dies, its owner loses life equal to that creatures converted mana cost.
-13: Destroy all creatures. Target opponent loses life equal to the combined total mana cost of all creatures destroyed this way.