Gnome Skyship

Flying
Reinforce-- When Gnome Skyship enters the battlefield, you may choose to give it defender. If you do, it enters the battlefield with two +1/+1 counters on it and has {t}: Gnome Skyship deals 1 damage to target creature or player.
{u}{u}{u}{t}: If Gnome Skyship has defender, it loses defender. (This effect is permanent )