S4 pools of dungeons is terrible

[Cäpslöck-proudmoore]

@Lorkhan-draktharon

@Kaivax

We’d like to change up the Mythic+ dungeon pool so that it would include 8 dungeons that span the last four expansions of WoW:

include to me means “in addition to” not “instead of”

Do we have a source 1 way or the other?