Mass Healing Word

Level & School
3rd-level abjuration
Casting Time
Bonus action
Range
60 feet
Components
V
Duration
Instantaneous
Classes
Bard, Cleric

Up to six creatures of your choice that you can see within range regain Hit Points equal to 2d4 plus your spellcasting ability modifier.

Using a Higher-Level Spell Slot. The healing increases by 1d4 for each spell slot level above 3.

Level & School
3rd-level evocation
Casting Time
Bonus action
Range
60 feet
Components
V
Duration
Instantaneous
Classes
Cleric

As you call out words of restoration, up to six creatures of your choice that you can see within range regain hit points equal to 1d4 + your spellcasting ability modifier. This spell has no effect on undead or constructs.

Using a Higher-Level Spell Slot. When you cast this spell using a spell slot of 4th level or higher, the healing increases by 1d4 for each slot level above 3rd.

Mass Healing Word 5.5e 2024 vs. 5e 2014 edition differences

The 2024 version changes the school to abjuration, adds bard as a class, and increases the base healing to 2d4 plus spellcasting ability modifier. The 2014 version's healing is 1d4 + modifier, with higher levels adding 1d4 per slot level above 3rd.