Conjure Elemental

Casting Time: 1 minute
Range: 90 feet
Duration: Concentration, up to 1 hour
You call forth an elemental servant. Choose
an area of air, earth, fire, or water that fills a
10-foot cube within range. An elemental of
challenge rating 5 or lower appropriate to the
area you chose appears in an unoccupied space
within 10 feet of it.
See PHB, pg. 225.