Timestream Navigator [The Lost Caverns of Ixalan Commander]

Set: The Lost Caverns of Ixalan Commander Type: Creature — Human Pirate Wizard Rarity: Mythic Cost: {1}{U} Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)2UU, T, Put Timestream Navigator on the bottom of its owner's library: Take an extra turn after this one. Activate this ability only if you have the city's blessing.