Tonka was sought
A metaphorical vampire, oh so dramatic ---> Profile says "blood thirsty"
Be sure to dispose of blades in the sharps bin --> unicorn with a "bladed" horn, appearance and species ref
Such instruments are rarely meant for play --> bridging line
But you are such a pretty toy to play with --> Tonka is the name of a popular toy manufacturer and you can just google the name and Tonka truck pops up