Khora, Mistress of Entrapment

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.)
As long as Khora, Mistress of Entrapment has a
+1/+1 counter on it, Khora deals double the
amount of combat damage to players.
{1}{b}{r}, Remove a +1/+1 counter from Khora, Mistress of Entrapment: Deal 1 damage to all creatures.