Mountain

Rograkh, Son of Rohgahh

First strike, menace, trample
Partner (You can have two commanders if both have partner.)

Kobolds of Kher Keep

Kobold Drill Sergeant

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

Kodama's Reach

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Cultivate

Forest

Kher Keep

{T}: Add {C}.
{1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

Jund Charm

Choose one —
• Exile target player's graveyard.
• Jund Charm deals 2 damage to each creature.
• Put two +1/+1 counters on target creature.

Rohgahh of Kher Keep

At the beginning of your upkeep, you may pay {R}{R}{R}. If you don't, tap Rohgahh of Kher Keep 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 Overlord

First strike
Other Kobold creatures you control have first strike.

Kobold Taskmaster

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

Swamp

Prossh, Skyraider of Kher

When you cast this spell, create X 0/1 red Kobold creature tokens named Kobolds of Kher Keep, where X is the amount of mana spent to cast it.
Flying
Sacrifice another creature: Prossh, Skyraider of Kher gets +1/+0 until end of turn.