Timestream Navigator [Rivals of Ixalan] Ixalan Prerelease Promos You may cast the copies

You may cast the copies without paying their mana costs

remove all mire counters from a land that a mire counter was put onto with Cyclopean Tomb but that a mire counter has not been removed from with Cyclopean Tomb

each opponent loses 5 life

except it's a 4/4 black Zombie Naga Wizard with no mana cost

if an opponent controls more lands than you

Timestream Navigator [Rivals of Ixalan] Ixalan Prerelease Promos You may cast the copiesSet: 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.