Bellurdan Skullcrusher

Warren (Instants and sorceries you control that share
a color with this creature cost 1 less. Whenever you cast an instant or sorcery that shares a color with this creature, you may have this creature deal 1 damage to target creature or player.)
{g}{g}{g}: Bellurdan Skullcrusher fights target creature.
{3}: Bellurdan Skullcrusher gets +1/+1 until end of turn.