Cross class question

[Keldion]

http://na.finalfantasyxiv.com/lodest...4/blog/244759/

Not mentioned are the Heavensward skills, which look like this:
Muscle Memory (CUL) - Increases progress by 33%. Success Rate: 100% Available only on the first step. [6 CP]
Maker's Mark (GSM) - Reduces Flawless Synthesis CP cost and durability loss to 0. Effect duration determined by recipe difficulty. Available only on the first step. [20 CP]
Name of <Element> (Others) - For the next five steps, Brand of <Element> efficiency is increased. Increase determined by current progress. Only one Name of the Element action can be used per synthesis. [15 CP]

I would not cross any Name/Brand combos, as all but CUL and GSM will have access to them by level 54.

As for what skills I use in current endgame crafting..

Byregot's Blessing
Careful Synthesis II
Comfort Zone
Hasty Touch
Ingenuity II
Maker's Mark + Flawless Synthesis
Muscle Memory
Piece by Piece
Reclaim
Steady Hand II
Waste Not
Tricks of the Trade