Gate is a land subtype with extensive support for decks that collect numerous differently named Gates. Gate decks can function as multicolor mana bases while using cards that specifically reward the subtype. Many Gates produce two mana based on the clan they represent (e.g. Simic Guildgate for blue and green, Boros Guildgate for red and white, etc.).
Maze's End provides the archetype's famous alternate win condition, while Circuitous Route and Open the Gates search for the lands you need. Gond Gate helps overcome the common drawback of many Gates entering tapped.