Ultimate Conductor Tyranno

As an additional cost to summon this creature
Exile 2 dinosaur creatures from your graveyard.
{g} Sacrifice a creature in your hand or you control ,
tap all creatures your opponent controls with a
converted mana cost lower than the cost of the sacrificed creature.
{t} {b} Destroy target tapped creature you don't control, the owner takes damage equal to its
toughness