Bless

1st-level enchantment 
 Casting Time:  1 action Range:  30 feet Components:  V, S, M (a sprinkling of holy water) Duration:  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. 
   
 Free use once per long rest