Jamison (Junkrat) Fawkes

Whenever Junkrat attacks, flip over the top card
of your library. If it's not a land, Junkrat cannot
be blocked until end of turn.
{3}{r}{g}, {t}: The next time a creature
attacks you, it takes 3 damage.
{10}{r}{g}, {t}: Destroy all creatures target
opponent controls.