Starburst

Starburst is a Spark that appears in Mario + Rabbids Sparks of Hope. It is yellow, and resembles a standard Luma. Its Power is Turbocharge, which increases the attack strength of any playable characters in its range for a single turn. Its Bonus is Physical Protector.

Mario + Rabbids Sparks of Hope website
''Starburst is the real star of the show, but any heroes hanging around get to share a little bit of its glow. Its power allows it to boost the damage done by heroes in its range for one turn. Shine bright, Starburst!''