The Gladiator

When The Gladiator enters the battlefield you
may have it fight up to one target creature.
If a creature would die in a fight with The
Gladiator put two +1/+1 counters on The
Gladiator after the fight resolves.
{w}{w},{t}: The Gladiator fights target creature.
(activate this ability as a sorcery)
Champion: if the Gladiator has more than 5
toughness it gains Vigilance.