>>48367009some of these are good, but:
>higher chance to freeze opponents when using ice type movesSTAB for status moves seems like pointless overkill - how many non-ice-types are going to be using freezing moves?
as for burn duration, i feel like that kind of passive coverage is unnecessary without arbitrary self-imposed limits on your party (eg only having 1 pokemon, never switching out, having a monotype team)
that said this is all from a purely ingame non-competitive perspective