Watershaping Rod

Description
The Watershaping Rod is made of a long shard of azure crystal, and at its head is affixed a huge, pale blue pearl.
 * Requires attunement.
 * The rod contains 8 charges which can be used to cast spells using the charge costs below. After every long rest, the rod gains 1d8 charges. The rod uses your native spellcasting DC, or your Intelligence if you do not have one.
 * Shape Water (0) - The maximum radius increases from 5 feet to 10 feet.
 * Create or Destroy Water (2)
 * Tidal Wave (4)
 * Watery Sphere (6)