User blog comment:InvictusKris/Buddyfight Summer-Fest Tournament Discussion: Ban List Poll/@comment-10780019-20160611042313

Cards that should be banned:

Hero World Flag

Cards that should be limited to 1:

Cards that should be limited to 2:

Cards that should be limited to 3:

Cards that should not be used as a Buddy:

There's a lot of them. Durendal is probably the worst since you should never be maindecking 4 of them.