Celestial Steed

When you regain Hit Points from a level 1+ spell, the steed regains the same number of Hit Points if you're within 5 feet of it.

Melee Attack Roll: Bonus equals your spell attack modifier, reach 5 ft. Hit: 1d8 plus the spell's level of Radiant damage.

One creature within 5 feet of the steed regains a number of Hit Points equal to 2d8 plus the spell's level.