THB: Thassa's Oracle (Extended Art) holidaypuzzle or built the third Forge

or built the third Forge as the Commander

Don your green spectacles to enter the Emerald City

players take turns adding a new land tile to the board

40 Park Tiles

The game is adventure-based

THB: Thassa's Oracle (Extended Art) holidaypuzzle or built the third ForgeWhen Thassa's Oracle enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)