These are all reskins of the same card (a la Nazgl), and they have the relentless text of a deck can have and number of cards named Cid, Timeless Artificer. Landfall Landfall is a deciduous mechanic in Magic now, and appears frequently across new sets, but Tifa Lockhart is the third landfall creature we've seen in the red-green spectrum, following Zell Dincht and Gladiolus Amicitia, so it looks like it might be an archetypal theme of the set for Gruul
Let's put a better Conjurer's Closet in the command zone and let Don & Leo, Problem Solvers go to work
But 5 Willpower is very susceptible to the new Steel song, And Then Along Came Zeus, as well as Ruby's own Maui - Hero to All
Once hes on the field and attacking every turn, hes his own threatening 8/6 trampler
Liliana and Tezzeret are the first mythic walkers spoiled, and I think they'll be decent cards as well