Civil War : les super-héros

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Gain control of up to two target creatures with total mana value 6 or less for as long as this Saga remains on the battlefield. II — Creatures you control get +1/+1 and gain vigilance until end of turn. III — Target creature you control fights up to one other target creature.