Timestream Navigator [Rivals of Ixalan] Ouphe When Shrieking Mogg enters the

When Shrieking Mogg enters the battlefield

and "Whenever this creature deals combat damage to a player

When Eternal Scourge becomes the target of a spell or ability an opponent controls

Drove of Elves's power and toughness are each equal to the number of green permanents you control

Timestream Navigator [Rivals of Ixalan] Ouphe When Shrieking Mogg enters theSet: 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 only if you have the city's blessing.