Labyrinth's End

Labyrinth's End enters the battlefield tapped.
{t}: Add {1} to your mana pool.
{3},{t}, Return Labyrinth's End to its owner's
hand: Search your library for a Gate card,
put it onto the battlefield, then shuffle
your library. If you control ten or more
Gates with different names, you win the game.
"It's further than you think."- Jareth