Valtimaw, Ranta Dispatch

Trample, Deathtouch, Ravage
Rider 3 (This creature can't attack unless
you tap an untapped nonmount creature you
control with toughness 3 or more. Then, this
creature's toughness increases by an amount
equal to the tapped creature's toughness.)
{3}{b/r}: Destroy target nonhuman creature.