Val, Bastard Prince

Partner with Hall of The Throne.
Whenever Val, Bastard Prince enters the
battlefield, choose a creature type. Abilities
of Val, Bastard Prince cost {1} less to activate
for each other creature of the chosen type.
{7}{b/r}{r},{t}: Val, Bastard Price deals X damage to
each opponent where X is the number of
creatures you control of the chosen type.