Yavimaya Enchantress

This creature gets +1/+1 for each enchantment on the battlefield.

Bountiful Promenade

This land enters tapped unless you have two or more opponents.
{T}: Add {G} or {W}.

Predatory Impetus

Enchant creature
Enchanted creature gets +3/+3, must be blocked if able, and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Sol Ring

Nomad Mythmaker

{W}, {T}: Put target Aura card from a graveyard onto the battlefield under your control attached to a creature you control.

Command Tower

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

Cliffgate

This land enters tapped.
As this land enters, choose a color other than red.
{T}: Add {R} or one mana of the chosen color.

Stoneskin

Flash
Enchant creature
Enchanted creature gets +0/+10.

Mazzy, Truesword Paladin

Whenever an enchanted creature attacks one of your opponents, it gets +2/+0 and gains trample until end of turn.
Whenever an Aura you control is put into your graveyard from the battlefield, exile it. Until the end of your next turn, you may cast that card.

Citadel Gate

This land enters tapped.
As this land enters, choose a color other than white.
{T}: Add {W} or one mana of the chosen color.

Brushland

{T}: Add {C}.
{T}: Add {G} or {W}. This land deals 1 damage to you.

Manor Gate

This land enters tapped.
As this land enters, choose a color other than green.
{T}: Add {G} or one mana of the chosen color.

Quirion Dryad

Whenever you cast a spell that's white, blue, black, or red, put a +1/+1 counter on this creature.