Cultivator Colossus + Abundance + Maze's End + Amulet of Vigor

Cultivator Colossus

Abundance

Maze's End

Amulet of Vigor

How it works

1. Cast Cultivator Colossus by paying 4.
2. Cultivator Colossus enters the battlefield, putting a land card from your hand onto the battlefield tapped, then revealing cards from the top of your library until you reveal a land card, putting it in your hand and the rest of the revealed cards on the bottom of your library in any order.
3. Repeat this process, putting a land card from your hand onto the battlefield tapped.
4. Repeat step 3 until you have Maze's End and ten Gates with different names on the battlefield.
5. Maze's End and each of the Gates enter the battlefield, triggering Amulet of Vigor, untapping each of the Gates and Maze's End.
6. Activate three of the Gates by tapping them, adding 3.
7. Activate Maze's End's second ability by paying 3, tapping it and returning Maze's End to your hand, causing you to win the game.