Dauthi Jackal
{2}{B}
Creature -- Dauthi Jackal
2/1
Shadow (~this~ can block or be blocked by only creatures with shadow.)
{B}{B}, Sacrifice ~this~: Destroy target blocking creature.
Ride Down
{R}{W}
Instant
Destroy target blocking creature. Creatures that were blocked by that creature this combat gain trample until end of turn.