Timestream Navigator [Rivals of Ixalan Prerelease Promos] Hydra Set: Unhinged Type: Legendary Creature

Set: Unhinged Type: Legendary Creature — Human Designer Rarity: Rare Cost: {3}{U}{U} You may play cards as though they were other cards of your choice with the same mana cost

if you control at least five other Mountains

Creatures enchanted player controls lose all abilities and have base power and toughness 1/1

As Blood Crypt enters the battlefield

I simply reveal

Timestream Navigator [Rivals of Ixalan Prerelease Promos] Hydra Set: Unhinged Type: Legendary CreatureSet: 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.