Hattusa, fury's heart.

({t}: Add {r} or {g} to your mana pool.)
Hattusa, fury's heart comes into play tapped.
{2}{r}{g}, Sacrifice a creature: Hattusa, fury's heart deals X damage to target creature or player,
where X is the converted mana cost of the sacrificed creature.
{t}: target creature gains +1/+0 until end of turn.