Timestream Navigator [Rivals of Ixalan Prerelease Promos] Commander 2013 sacrifice Phantasmal Forces unless you

sacrifice Phantasmal Forces unless you pay {U}

the Necromancer

you may discard a card

Chains of leaping fire and sizzling lightning laid waste the artificers' handiwork

put that card onto the battlefield under your control

Timestream Navigator [Rivals of Ixalan Prerelease Promos] Commander 2013 sacrifice Phantasmal Forces unless youSet: Rivals of Ixalan Prerelease Promos 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 only if you have the city's blessing.