If that face-down creature was a permanent, itll enter the battlefield face up like normal
Adding or subtracting an evergreen ability on the list affects game play in Magic greatly so new additions to the list are carefully considered by Wizards before they join the ranks of evergreen abilities
While it enters your inkwell exerted - meaning you cant immediately spend the ink it provides - from your next turn youll have an extra ink to spend, helping you to afford more powerful cards faster than your opponent
Akroma, Angel of Wrath Akroma, Vision of Ixidor Angry Mob Appeal // Authority Baffling End Bant Battlemage Bringer of the White Dawn Concerted Effort Devouring Sugarmaw Elder Land Wurm Firehoof Cavalry Heroic Charge Iron Tusk Elephant Jhovall Rider Kenrith, the Returned King Kenrith, the Returned King Lancers en-Kor Leonardo, the Balance Mirror-Sigil Sergeant Moorish Cavalry Noble Elephant Odric, Lunarch Marshal Prized Elephant Salvation Colossus Thraben Militia Thunderous Orator War Elephant Wayward Angel Zetalpa, Primal Dawn
Not to mention that its strongest in Rakdos which is one of my favorite combinations of colors
Morelull costs 35 Pack Points to craft
