Wind-Scarred Crag

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {R} or {W}.

Arabella, Abandoned Doll

Whenever Arabella attacks, it deals X damage to each opponent and you gain X life, where X is the number of creatures you control with power 2 or less.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Most Valuable Slayer

Whenever you attack, target attacking creature gets +1/+0 and gains first strike until end of turn.

Bearer of Glory

During your turn, this creature has first strike.
{4}{W}: Creatures you control get +1/+1 until end of turn.

Ragged Playmate

{1}, {T}: Target creature with power 2 or less can't be blocked this turn.

Acrobatic Cheerleader

Survival — At the beginning of your second main phase, if this creature is tapped, put a flying counter on it. This ability triggers only once.

Molten Gatekeeper

Whenever another creature you control enters, this creature deals 1 damage to each opponent.
Unearth {R} ({R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Commander's Sphere

{T}: Add one mana of any color in your commander's color identity.
Sacrifice this artifact: Draw a card.