Exava, Rakdos Blood Witch
{2}{B}{R}
Legendary Creature -- Human Cleric
3/3
First strike, haste
Unleash (You may have ~this~ enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)
Each other creature you control with a +1/+1 counter on it has haste.