Haze of Rage

Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.)
Creatures you control get +1/+0 until end of turn.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Gamble

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

Kobold Taskmaster

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

Impact Tremors

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Kobold Drill Sergeant

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

Mountain

Kobold Overlord

First strike
Other Kobold creatures you control have first strike.

Rograkh, Son of Rohgahh

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

Cloudstone Curio

Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.

Forgotten Cave

Forgotten Cave enters tapped.
{T}: Add {R}.
Cycling {R} ({R}, Discard this card: Draw a card.)

Crookshank Kobolds

Kobolds of Kher Keep

Kher Keep

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