Brother's War

When you cast "Brother's War" choose one-
•Target creature you control fights another target
creature you don't control.
•You and target opponet both exile 1 creature
from a graveyard then you and that opponet both
choose one creature that creature gains all
abilities of exiled creature.
•You and target opponet both exile 1 creature
from a graveyard then you and that opponet
both return one creature from a graveyard to the
battlefield under its owners control