by the way, there /will/ be some lining things up.

Tool Tips:

Quote Originally Posted by Summon Bahamut
Summons Demi-Bahamut to fight by your side. Each time you use a magic attack on a target, Demi-Bahamut will execute Wyrmwave on the same target.
Duration: 20s
Dreadwyrm Aether Cost: 2
Cannot summon Demi-Bahamut unless a pet is already summoned. Current pet will leave the battlefield while Demi-Bahamut is present, and return once gone.
Cannot use while under the effect of Dreadwyrm Trance.
So summon Demi-Bahamut /has/ been paired down so that he only uses wyrmwave when we cast a spell. however:

Quote Originally Posted by Enhanced Firebird Trance
Entering Firebird Trance will summon Demi-Phoenix which executes Everlasting Flight as it manifests. Each time you use an action on a target, Demi-Phoenix will execute Scarlet Flame.
Duration: 20s
Cannot enter Firebird Trance unless a pet is summoned. Current pet will leave the battlefield while Demi-Phoenix is present, and return once gone.
So demi-pheonix will effectivly be the same weaving tricks we used with Demi-Bahamut in storm blood, with the added bonus that we instead of Ruin IIs, we have Fountain of Fire on instant cast.

All that said, it's hard to say if it's worth waiting on the recast of Energy Drain to allow 5 OGCD's (fester, fester, Energy Drain, Fester, Fester,) without sitting down and doing math. but the 20 second timer seems like it would limit that, especially because of enkindle phoenix.