Guadosalam, Farplane Gateway

This land enters tapped.
{T}: Add {G} or {U}.

Qiqirn Merchant

{1}, {T}: Draw a card, then discard a card.
{7}, {T}, Sacrifice this creature: Draw three cards. This ability costs {1} less to activate for each Town you control.

Town Greeter

When this creature enters, mill four cards. You may put a land card from among them into your hand. If you put a Town card into your hand this way, you gain 2 life. (To mill four cards, a player puts the top four cards of their library into their graveyard.)

Prishe's Wanderings

Search your library for a basic land card or Town card, put it onto the battlefield tapped, then shuffle. When you search your library this way, put a +1/+1 counter on target creature you control.

Sharlayan, Nation of Scholars

This land enters tapped.
{T}: Add {W} or {U}.

Vector, Imperial Capital

This land enters tapped.
{T}: Add {B} or {R}.

Adventurer's Inn

When this land enters, you gain 2 life.
{T}: Add {C}.

Treno, Dark City

This land enters tapped.
{T}: Add {U} or {B}.

Rabanastre, Royal City

This land enters tapped.
{T}: Add {R} or {W}.

Gohn, Town of Ruin

This land enters tapped.
{T}: Add {B} or {G}.

Insomnia, Crown City

This land enters tapped.
{T}: Add {W} or {B}.

Gongaga, Reactor Town

This land enters tapped.
{T}: Add {R} or {G}.

Windurst, Federation Center

This land enters tapped.
{T}: Add {G} or {W}.

Baron, Airship Kingdom

This land enters tapped.
{T}: Add {U} or {R}.