Is Double Cut still useful? That was the major hotness when I played before, does it still matter?
I was using retaliate + double cut for a while until I had orbs to create new abilities like lifesiphon and etc. It even got an ult++ clear but ymmv, it depends on the boss mechanics. Also look into drawilitate too with draw fire, and magic lure + reflect is a valid strategy for some magey bosses, or maybe swap reflect for a runic RW like Celes SSB instead. All these can be good options with a retaliate + double cut team since that set up is cheap to set up orb-wise
Nothing wrong with using it, it's cheap resources and gets the job done with 1 strong physical relic until you have more SSB/BSB to take advantage with lifesiphons better. Go ahead and make double cuts if you plan to use it with retaliate because I don't see any use of 2* orbs anyway besides exchanging for 3* orbs but those are already so easy to farm at high level dailies.
You will see yourself transitioning out of retaliate as you hone more abilities and pull more relics naturally, so use the above method as a stepping stone
Bladeblitz at R3 needs 30x 4* wind orbs, that's a waste of orb resources that could be better spent on lifesiphon, slowga, curaja, etc
What's your best team lineup looking like now? We may offer more suggestions if we have a better idea of where you are at with pulled relics and available characters, abilities, etc
EDIT: Forgot to mention that Tempo Flurry is a good replacement for Double Cut, and still easy to make if you can farm higher level dailies later. People still use Tempo Flurry, especially when medal conditions call for slow status effect
Another than that... my daily farming is just Shout RW + auto-attack with my best physical team. Needs about 360-370 attack stat to 1KO mobs. I use both RW charges then the 3rd battle I use one of mine (Maria's Song, Vessel of Fate, Shout, etc) with Mako Might/Dr. Mog's Teaching's RM. The same goes for story dungeons as well. I had to find like 20+ friends with shout to make this easier, lol