Exava, Rakdos Blood Witch

Exava, Rakdos Blood Witch

Legendary Creature - Human Cleric | Power/Toughness: 3 / 3 (CMC 4)
First strike, haste
Unleash (You may have this creature enter the battlefield 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.