Timestream Navigator [Rivals of Ixalan Promos] Vanguard Series Whenever another creature enters the

Whenever another creature enters the battlefield under your control

activated ability

or planeswalker

−9: Nicol Bolas

Sun Empire commanders are well versed in advanced martial strategy

Timestream Navigator [Rivals of Ixalan Promos] Vanguard Series Whenever another creature enters theSet: Rivals of Ixalan Promos Type: Creature Human Pirate Wizard 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.