There the public face of the royal guard. They go around, in there nice robes and shiny armor, and put on shows of magical display. Grand explosions, false monsters, and real magical skill all on display, with the merch pulling in a nice amount of dough. As for tactic's, Twilight is the only pony we have seen that teliports like it's going out of style. No, much like the Wonderbolts, there flashy, but instead of cute contrails they fling out genuine grade-a magic missiles and such.