Battle Hymn

Purphoros, God of the Forge

Indestructible
As long as your devotion to red is less than five, Purphoros isn't a creature.
Whenever another creature you control enters, Purphoros deals 2 damage to each opponent.
{2}{R}: Creatures you control get +1/+0 until end of turn.

Glimpse of Nature

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

Savannah

Rograkh, Son of Rohgahh

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

Crimson Kobolds

Whitemane Lion

Flash
When Whitemane Lion enters, return a creature you control to its owner's hand.

Plateau

Kobolds of Kher Keep

Taiga

Impact Tremors

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

Elvish Spirit Guide

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

Ornithopter

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.