Chamber Sentry enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it. {X}, {T}, Remove X +1/+1 counters from Chamber Sentry: It deals X damage to any target. {W}{U}{B}{R}{G}: Return Chamber Sentry from your graveyard to your hand.

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

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

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

({T}: Add {G}.)

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

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

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

({T}: Add {U}.)

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

Maze's End enters the battlefield 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.

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

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

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

Defender, flying Prevent all combat damage that would be dealt to and dealt by Fog Bank.

Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle.

When District Guide enters the battlefield, you may search your library for a basic land card or Gate card, reveal it, put it into your hand, then shuffle.

You may play an additional land this turn. Draw a card.

Defender When Gatecreeper Vine enters the battlefield, you may search your library for a basic land card or a Gate card, reveal it, put it into your hand, then shuffle.