Maze's End is a mythic Land card from Ravnica Remastered (RVR), collector number 465. Current market price: $2.93 (foil $3.19), TCGplayer market prices via Scryfall.
This land enters tapped. {T}: Add {C}. {3}, {T}, Return this land 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.