Bless

Ranged spell
Daily
Action: 
Quick action to cast
Effect: 

You can cast this spell for power or for broad effect.

Cast for Power: 

One nearby ally gains a +2 attack bonus until the end of the battle.

Cast for Broad Effect: 

Choose up to three nearby creatures (including you); each target gains a +1 attack bonus until the end of the battle.

3rd Level Spell: 
Each target also gains 1d10 temporary hit points per point of the attack bonus.
5th Level Spell: 
Each target also gains 2d10 temporary hit points instead of 1d10 per point of the attack bonus.
7th Level Spell: 
All attack bonuses granted by the spell increase by +1.
9th Level Spell: 
Each target also gains 3d10 temporary hit points instead of 2d10 per point of the attack bonus.