Auspice [AoD]

You speak blessings of efficiency over a creature within range that you can see. For the spell's duration, the creature gains a +1 bonus to ability checks, attack rolls and saving throws.

At Higher Levels. When you cast this spell using a spell slot of 4th, 6th, or 8th level, you may target one additional creature. The bonus granted by the spell increases to +2 when using a spell slot of 5th level or higher, and increases again to +3 when using a spell slot of 7th level or higher.