Title Defense Matches

basically how i see pokemon battles
Rules: I made up the rules i could have some fun with this
Level of all your pokemon is 65
only pokemon introduced in 7th gen are allowed
Use each pokemon once, no repeats across the 10 challengers
the only ultra beasts usable are nihilego, buzzwole and pheromosa
all tapus are usable
oricorio forms are considered separate
only allowed 2 pokemon with a type advantage over your opponents entire team
no ev's or iv's.
nature of all pokemon = hardy