The Nameless King

Flying, trample
{w}{w}{r}: The Nameless King deals 4 damage to
any target.
When a Dragon creature dies you may pay {w}{r}, if you do you may deal X damage to any target where X is that creature's converted mana cost.
Once a slayer of dragons, the former king and wargod tamed a Stormdrake, on which he led a lifetime
of battle.