The design features of the XY series card backs included a cleaner and more modern look
Those sorts of commander abilities arent very common though, so it might be easier to just intentionally leave yourself a little gap in the prison wall
This card sees play in decks that want to cast artifacts and dont mind the extra counters, like decks with planeswalkers, charge counters, spacecraft, or even poison
Both cards spoiled on Thursday - the manga version of Kiki-Jiki, Mirror Breaker and the new card Ardoz, Cobbler of War - include this keyword
If you don't think a basic 9/9 vanilla beater is worth it, or if you're unwilling to fork over the comparatively large amount of money needed for a playset of Steel Seraph, there's plenty of other flicker finishers to choose from