Urchin

Innate Spellcasting. The urchin's innate spellcasting ability is Wisdom (spell save DC 11). It can innately cast the following spells, requiring no material components:

At Will: druidcraft

1/day each: dancing lights, detect evil and good, entangle, sleep

Spines. A creature that ends its turn grappling the urchin must succeed on a DC 15 Dexterity saving throw or take 1 piercing damage.

Bite. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 1 piercing damage.

Shapechanger. The urchin polymorphs into a hedgehog or back into its true form. Its statistics remain the same both forms. Any equipment it is wearing or carrying is not transformed. It reverts to its true form if it dies.