Encouraging Speech

You cast this spell during combat and  give a speech that can encourage allied  creatures around you to  gain  1 of 3 buffs, the choice is yours.

-You can allow all 1's rolled to be rerolled once for three full rounds of combat.

-You grant a buff on allied creatures in combat allowing them to do double damage once per the round casted.

-All non allied creatures gain disadvantage on saving throws, while allied creatures gain advantage on attacks for one round of combat.