The Phantom Knights of Shade Brigandine helped to make Rank 4 monsters but it wasn't always seen with Phantom Knights at the start
In fact, the shortage got so bad at one point over the last year that Target took them off the shelves because people were getting into fights over them
However, it's a very different feeling looking at an eBay listing for a particularly expensive card when you're gawping a a cabinet full of cards that combined are easily worth more than your yearly salary
What makes Ultra Magnus even better is that he can easily transform into the robot side Ultra Magnus, Tactician, a 7/7 behemoth that even has Ward 2
The ones you're hunting now definitely do.
Maybe they wanted to avoid paper copies of complicated reconfigure creatures, since those involve a lot of moving pieces already, but the general Magic populace can handle effects like this