Bite

Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 13 (2d10 + 2) piercing damage.

Cold Breath (Recharge 5-6)

The dragon exhales a 15-foot cone of frost. Each creature in that area makes a DC 12 Constitution saving throw taking 10 (3d6) cold damage on a failed save or half damage on a success.