Instant Lae'zel's Acrobatics Exile all nontoken creatures you control, then roll a d20
This is fitting since the showcase artwork features the plane of Eldraine, the land where Kenrith is from and the next canon set the game is visiting
Though, in my view, Access Maze falls short instead
A new card type, especially with a rules-bearing subtype, is an exceptionally high amount of work, but this is a pretty great example of how additional tasks fall out beyond the obvious work necessary to implement new mechanics
Crew 1 Legendary Artifact - Vehicle Agatha's Soul Cauldron You may spend mana as though it were mana of any color to activate abilities of creatures you control
So shes a niche pick, but seeing Sokka and Kataras grandma waving goodbye with her back to the sunset is a bit comical for what winds up being an uber-useful Magic card