Selesnya Guildgate

Selesnya Guildgate enters tapped.
{T}: Add {G} or {W}.

Dimir Guildgate

Dimir Guildgate enters tapped.
{T}: Add {U} or {B}.

Gateway Plaza

Gateway Plaza enters tapped.
When Gateway Plaza enters, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.

Gate to Tumbledown

({T}: Add {R}.)
Gate to Tumbledown enters the battlefield tapped.
{3}{R}, {T}: Seek a nonland card. Activate only once.

Boros Guildgate

Boros Guildgate enters tapped.
{T}: Add {R} or {W}.

Cliffgate

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

Citadel Gate

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

Simic Guildgate

Simic Guildgate enters tapped.
{T}: Add {G} or {U}.

Gate to Seatower

({T}: Add {U}.)
Gate to Seatower enters the battlefield tapped.
{3}{U}, {T}: Seek a nonland card. Activate only once.

Izzet Guildgate

Izzet Guildgate enters tapped.
{T}: Add {U} or {R}.

Black Dragon Gate

Black Dragon Gate enters tapped.
As Black Dragon Gate enters, choose a color other than black.
{T}: Add {B} or one mana of the chosen color.

A-Thran Portal

As A-Thran Portal enters, choose a basic land type.
Thran Portal is the chosen type in addition to its other types.
Mana abilities of A-Thran Portal cost an additional 1 life to activate.

Heap Gate

{T}: Add {C}.
{1}, {T}: Add one mana of any color.
{1}, {T}, Tap an untapped Gate you control: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

The Black Gate

As The Black Gate enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {B}.
{1}{B}, {T}: Choose a player with the most life or tied for most life. Target creature can't be blocked by creatures that player controls this turn.

Gond Gate

Gates you control enter untapped.
{T}: Add {C}.
{T}: Add one mana of any color that a Gate you control could produce.

Basilisk Gate

{T}: Add {C}.
{2}, {T}: Target creature gets +X/+X until end of turn, where X is the number of Gates you control. Activate only as a sorcery.

Rakdos Guildgate

Rakdos Guildgate enters tapped.
{T}: Add {B} or {R}.

Thran Portal

Thran Portal enters tapped unless you control two or fewer other lands.
As Thran Portal enters, choose a basic land type.
Thran Portal is the chosen type in addition to its other types.
Mana abilities of Thran Portal cost an additional 1 life to activate.

Gate to the Citadel

({T}: Add {W}.)
Gate to the Citadel enters the battlefield tapped.
{3}{W}, {T}: Seek a nonland card. Activate only once.

Golgari Guildgate

Golgari Guildgate enters tapped.
{T}: Add {B} or {G}.

Maze's End

Maze's End enters tapped.
{T}: Add {C}.
{3}, {T}, Return Maze's End to its owner's hand: Search your library for a Gate card, put it onto the battlefield, then shuffle. If you control ten or more Gates with different names, you win the game.

Gate to Manorborn

({T}: Add {G}.)
Gate to Manorborn enters the battlefield tapped.
{3}{G}, {T}: Seek a nonland card. Activate only once.

Orzhov Guildgate

Orzhov Guildgate enters tapped.
{T}: Add {W} or {B}.

Sea Gate

Sea Gate enters tapped.
As Sea Gate enters, choose a color other than blue.
{T}: Add {U} or one mana of the chosen color.

Baldur's Gate

{T}: Add {C}.
{2}, {T}: Add X mana of any one color, where X is the number of other Gates you control.

Azorius Guildgate

Azorius Guildgate enters tapped.
{T}: Add {W} or {U}.

Gruul Guildgate

Gruul Guildgate enters tapped.
{T}: Add {R} or {G}.

Manor Gate

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

Gate of the Black Dragon

({T}: Add {B}.)
Gate of the Black Dragon enters the battlefield tapped.
{3}{B}, {T}: Seek a nonland card. Activate only once.