Choose up to four creatures within range. If a target is your ally, it can reroll initiative, keeping whichever of the two results it prefers. If a target is your enemy, it must make a successful Wisdom saving throw or reroll initiative, keeping whichever of the two results you prefer. Changes to the initiative order go into effect at the start of the next round.
Using a Higher-Level Spell Slot. When you cast this spell using a spell slot of 5th level or higher, you can affect one additional creature for each slot level above 4th.