homebrew by Team Brievary
Innate Spellcasting. The Nekomata's innate spellcasting ability is Charisma (spell save DC 13). The Nekomata can innately cast the following spells, requiring no material components:
Multiattack. The Nekomata can make two scimitar attacks. Scimitar. Melee Weapon Attack: 5+ to hit, reach 5ft., one target. Hit: 7 1d6+3 slashing damage. Change Shape. As an action, the Nekomata magically polymorphs into a two tailed cat, or back into its true form. Its statistics are the same in each form. Any equipment it is wearing or carrying isn't transformed. It reverts to its true form if it dies.