Timestream Navigator [Rivals of Ixalan Promos] Meld Set: Aether Revolt Type: Instant

Set: Aether Revolt Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell

demands total commitment

Set: Limited Edition Alpha Type: Instant Common Cost: {X}{U} Counter target spell with converted mana cost X

Your opponents can't cast spells of the chosen color

" —מגילת ההיווצרות והמקור

Timestream Navigator [Rivals of Ixalan Promos] Meld Set: Aether Revolt Type: InstantSet: 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.