Final answer:
The poetic device in 'A planet entwined with vistas and foliage' is personification, giving human qualities to the non-human entity of a planet.
Step-by-step explanation:
The poetic device used in the statement 'A planet entwined with vistas and foliage' is most likely personification. Personification is a figure of speech where human qualities are given to animals, objects, or concepts. In this instance, the planet, which is a non-human entity, is described as being 'entwined', a term typically associated with human or animal actions, suggesting a close and intricate connection with vistas (scenic views) and foliage (plant leaves). This device helps to bring the inanimate aspects of nature to life, making them more vivid and relatable to the reader.