Swift Justice

Until end of turn, target creature gets +1/+0 and gains first strike and lifelink.

Rally the Ranks

As Rally the Ranks enters, choose a creature type.
Creatures you control of the chosen type get +1/+1.

Populate. (Create a token that's a copy of a creature token you control.)

{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.

Flying
Whenever you cast an instant or sorcery spell, create a 1/1 white Soldier creature token.