back in the days when i joined the server (pve season) the variety of comps in high mmr was awesomely high, any comp was able to win a match, all depended on how you used your cd's and not on how many time u can spam cc till dampening long ass games, most of comps where 2 dps classes (alot of diferent combinations and specs where playable in arena)
during pve season and pvp seasons i've always played random comps and won alot of matches, tryed to not go with heals or usual comps and ye, its way more fun to play the game like that
I just stopped playing here because was always the same, high rating matches = mage/war + heal till dampening +10min match (boring asf)
Conclusion:
im sorry but the game became boring due to no variety on arena comps at high rating, always seeing the same comps/classes