Wand of Winter

This wand looks and feels like an icicle.
Attunement
7 Charges(Attuned & Holding) 1 Action Each
Ray of Frost(no charges, or 1 charge to cast at 5th level; +5 to hit with ranged spell attack), Sleet
Storm(3 charges;DC 15), or Ice Storm(4 charges; DC DC 15)
No other components are required.
The wand regains ld6 + 1 expended charges each day at dawn. If you expend the wand's last charge, roll a d20. On a 20, the wand melts away, forever destroyed.