>>536642858
The only green skill that's relatively "easy" to obtain is firm conditions since it's a hint on two very strong cards that you want to run anyway (halo and creek).
Outside of that, you can access standard distance from an Eishen hint (low chance), and hope for left handed from Suzuka via her non chain event (low chance).
But ultimately most players won't have the luxury of all of this and will just take what they get.
Part of Oguri and Goldship's viability in CM is that you can build them solely with the inherited accel uniques, their potential unlock recovery, Maestro and curvature and you're "done" skill wise. You obviously want more skills that makes them better but in general the setup itself is extremely consistent and just relies on Creek and Kita finishing their events. (Skill wise ofcourse, you still need to hit stat thresholds and medium S obviously).