- Do I have to take any cards from my deck if I use Charizard & Braixen GX's "Brilliant Flare" attack?
- It says "may", so you can choose to not search your deck; but if you do search you must take at least one card from it.
Source:
Cosmic Eclipse FAQ (2019-10-18), TPCi Rules Team (2019-10-31)
Relevant cards
Note: All applicable cards may not be listed below.
SM12_212
SM12_22
SM12_251