- This article is about the Hasbro version. For the Takara Tomy version, see Energy Layer - Shelter Regulus.
Regulus R3 is an Energy Layer released by Hasbro as part of the Burst System as well as the SwitchStrike System. It debuted in western countries with the release of the SwitchStrike Starter Pack Regulus R3 5Star Tower.
In-depth information for Hasbro’s Regulus R3 Energy Layer will be placed here once drafting has been completed for it. Please be patient.