- This article is about the Hasbro version. For the Takara Tomy version, see Energy Layer - Left Apollos.
Left Astro A4, stylized as Left αstro A4, is an Energy Layer released by Hasbro as part of the Burst System as well as the SlingShock System. It debuted in western countries with the release of the Cross Collision Battle Set.
In-depth information for Hasbro’s Left Astro A4 Energy Layer will be placed here once drafting has been completed for it. Please be patient.