Wand of Winter

Requires attunement
Looks and feels like an icicle. This wand has
7 charges. Can use action to activate:
Wand of Frost (no charge),
or 1 charge to cast as lvl 5 (+5 hit)
Sleet storm (3 charges, save DC 15)
Ice Storm (4 charges, save DC 15)
No components required
The wand regains 1d6+1 charges et dawn.
If you expend the last charge, roll d20,
on 20 the wand melts away