Rhaght, Ignariq's Chosen

Riot (This creature enters the battlefield with your
choice of a +1/+1 counter or haste.)
{1}{r}{g}, {t} : Creatures you control can't be
blocked by creatures with power 1 or less this
turn.
Formidable — Whenever a creature you control attacks, if creatures you control have total power
8 or greater, creatures you control gain trample
until end of turn.