Match the four tags on a refresh. 9 hours for 4★+, Expedited Plans if you cannot wait. Limited operators do not come from public recruitment.
Public recruitment tags
Tap the tags on the refresh. Results are AND — every selected tag must be on the operator. This table is the operators we have icons for, not the entire live recruit pool.
Qualification
Position
Class
Affix
Select at least one tag. Top Operator + a class is the usual 6★ hunt.
Combos worth locking
Top Operator + a class: guaranteed 6★ of that class (still a random one in-class).
Top Operator + Support + Guard: SilverAsh in this table.
Senior Operator + Fast-Redeploy: Projekt Red.
Robot: Castle-3 / Lancet-2 (and other robots not listed here).