For the 2022- 2023 Competition Season, you have 3 drone options can be used at Aerial Drone Competitions.
FTW DIY Mambo
The CoDrone EDU can be ordered at Robolink for $214.99.
The Parrot Mambo and FTW DIY Mambo are hard to find/order at this time. If you have or can find one, either is legal for competition.