Creature - Nightmare/Horse First strike, haste <CR> 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.)
Creature - Nightmare/Horse First strike, haste <CR> Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)
