Impact Tremors

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

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.

Elvish Spirit Guide

Exile Elvish Spirit Guide from your hand: Add {G}.

Crimson Kobolds

Phyrexian Walker

Wooded Foothills

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

Shield Sphere

Defender
Whenever Shield Sphere blocks, put a -0/-1 counter on it.

Glimpse of Nature

Whenever you cast a creature spell this turn, draw a card.

Simian Spirit Guide

Exile Simian Spirit Guide from your hand: Add {R}.

Ornithopter

Taiga

Crookshank Kobolds

Rograkh, Son of Rohgahh

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