Carnival Hellsteed
Creature — Nightmare Horse
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.)
Its favorite treats are candied hands and sweet hearts.
Legal in
Pioneer, Modern, Legacy, Vintage, Commander
Rulings (4)
You make the choice to have the creature with unleash enter the battlefield with a +1/+1 counter or not as it’s entering the battlefield. At that point, it’s too late for a player to respond to the creature spell by trying to counter it, for example.
2013-04-15
Putting a +1/+1 counter on a creature with unleash that’s already blocking won’t remove it from combat. It will continue to block.
2013-04-15
The unleash ability applies no matter where the creature is entering the battlefield from.
2013-04-15
A creature with unleash can’t block if it has any +1/+1 counter on it, not just one put on it by the unleash ability.
2013-04-15