Mercenary Contract

Scroll: (Activate this ability only any time you could
cast a sorcery. When you tap this card place a counter
on that ability, that ability can't be used again.)
{t}: Create a 1/1 red Mercenary creature token
with haste.
{1}, {t}: Create a 1/1 red Mercenary creature token
with haste.
{2}, {t}: Mercenary, and ally creatures you control
get +1/+1, and have first strike until end of turn.