12 cards where the card types include “kobold” and the color identity ≤ BR and the name excludes “rohgahh, kher keep overlord” and it’s legal in Commander

Rograkh, Son of Rohgahh (Commander Legends #197)
Minion of the Mighty (Adventures in the Forgotten Realms #156)
Taunting Kobold (Commander Legends: Battle for Baldur's Gate #199)
Nogi, Draco-Zealot (Game Night: Free-for-All #4)
Rosnakht, Heir of Rohgahh (Dominaria United Commander #25)
Crimson Kobolds (Masters Edition III #93)
Crookshank Kobolds (Masters Edition #90)
Kobolds of Kher Keep (Masters Edition III #107)
Kobold Taskmaster (Masters Edition III #106)
Kobold Drill Sergeant (Masters Edition III #104)
Kobold Overlord (Masters Edition III #105)
Rohgahh of Kher Keep (Masters Edition III #172)

This search is finished. Now the real work can begin.