The second ability can make anything into an Ajani's Pridemate, which is what these decks want
As we've seen from Sazh's Chocobo - The chocobo cards are, as a group, going to have a distinct lands focus, and this certainly helps them out
Some Game Changers are $1
It would be a very on point deck if "Call for Backup" meant tutoring up creatures that keep your creatures alive, but running a ton of tutors wouldn't really fit the "precon-esque" environment, such decks are too consistent and will just overrun (get it) other precon-esque decks
In this article, Id like to posit there exists a yet-unexplored gameplan for SPYRAL, not one containing mind-bending combos and a million negates, but a consistent, powerful stun strategy that can readily perform going either first or second