FQC is being nerfed more for mid than support
First off, mana regen is far more important on mid laners than poke supports, because on top of harassing with spells, mid laners also need to waveclear with spells. So no matter what, mid laners need mana far more than supports do.
Secondly, base mana regen was buffed by a lot on almost all mages in the preseason to compensate for the removal of the mana pot. So mana regen is less of an issue than ever before. So 100% increased mana regen on Morellos is way stronger than it was last season and last season Morellos was a reasonable mana regen item for mid lane.
Lastly, 150% mana regen was overkill on supports. It's overkill in mid lane too. After the mana regen buffs I've never gone OOM or been worried about it regardless of what mana regen item I buy, because you get so much innate mana. What are you doing that requires you to go OOM on a support? Spamming all three spells as soon as they come off CD constantly? If you're doing that you're doing something wrong.
's active is OP. The range and speed on that item is ridiculous.