Bless

Concentration, up to 1 minute
You bless up to three creatures of your choice
within range. Whenever a target makes an attack
roll or a saving throw before the spell ends, the
target can roll a d4 and add the number rolled to
the attack roll or saving throw.
At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, you can target one additional creature for each slot level above 1st.