Kobold Overlord

First strike
Other Kobold creatures you control have first strike.

Kobolds of Kher Keep

Rohgahh of Kher Keep

At the beginning of your upkeep, you may pay {R}{R}{R}. If you don't, tap Rohgahh and all creatures named Kobolds of Kher Keep, then an opponent gains control of them.
Creatures you control named Kobolds of Kher Keep get +2/+2.

Kobold Drill Sergeant

Other Kobold creatures you control get +0/+1 and have trample.

Crookshank Kobolds

Crimson Kobolds

Kobold Taskmaster

Other Kobold creatures you control get +1/+0.