Timestream Navigator [Rivals of Ixalan]

$4.90
Type: MTG Single
Title
Set: Rivals of Ixalan
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.)
{2}{U}{U}, {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.