I doubt youll be transforming Kefka, Court MageKefka, Court Mage into Kefka, Ruler of Ruin all that often, but if you can take a turn off to do it, youll get the form of a card-draw engine the likes of which we dont really see in our format
Lilo & Stitch 2: Stitch Has a Glitch (2005) follows Stitch as his alien programming malfunctions, putting his relationship with Lilo at risk
Although I only featured one example of a control deck, they can come in a wide variety of forms
Similarly, Aesi, Tyrant of Gyre Strait can be a great start for a Tatyova, Benthic Druid build, while still keeping the original commander in the deck
Lessons from Life The art is meta
Do they look exactly like real Magic cards