Where do i put my gems

New brawler will be introduced the third person in Max And Surge Team Now As You Know Brawlstars decided To Add Max And Surge To The Shop Now i have 170 gems Main Question: Who is better Surge Or Max. Second question: Should I Even Buy One Of Them Or Both Of Them Or Non Of Them And Buy The Battle pass

"This is reposted cause my first didn't get answers i thought that this post is interesting enough to be posted"