Carnival Hellsteed

Carnival Hellsteed {4}{B}{R}

Creature - Nightmare Horse | Power/Toughness: 5 / 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.)
Set: [RTR] Return to Ravnica ( R · #147 )