With the Mythical pet, you don't need Bubble. And if you plan on raiding at all, you will have your Mythical.
The only fight in TSO where Bubble will come in handy at all is Tyrannus, and it's
not worth speccing Bubble for one fight.
Here's my AA build for Conjuror.
EQ2 AA Calculator from TheBrasse.com
The Elemental click to cure button defaults to potions. You want to leave it that way, so that you can have the Cure Elemental AA available for your pet. Half the time if I want to use the AA on myself, i hit F1 then my Cure Elemental button on my hotbar.