i think the challenge should be po wow

i think the challenge should be "do not use pets that are hard counters." example: flyer with mechanical damage vs a beast with beast damage. to challenge people, it should be to find a pet team that only has one or the other counter (takes less damage from or does more damage to) or no counter at all; like this: don't use a pet with any mechanical abilities, don't use a pet from the flying family.
po wow
and subsequently, a lot of the tamers, as you get into higher levels, will have so many combinations of abilities and families that you're going to need to write a book to explain how each fight should go, and so, which pets should or should not be used on them.