Sniping the bench is always fun
If you have a card that grants all your creature spells convoke, you can use the mechanic to pay for the impending cost or for the face-down cost for mechanics like morph or disguise
Jetfire, Ingenious Scientist / Jetfire, Air Guardian This tends to see play in Optimus Prime, Hero / Optimus Prime, Autobot Leader Commander decks, maybe out of obligation as much as anything
Namely, that means an incredible Limited format certainly one of my personal top three since I started in 2009, and for many a top three overall as well as a pretty diverse Standard meta that despite the crazy powerful cards in Liliana of the Veil and Delver of Secrets was actually fairly diverse with some fun interactions
Megamorph has almost the same gameplay as Morph: both let you play your creatures as [casthaven]Gray Ogre[/casthaven]s
With all of this happening in the TCG space, it would be easy to think that thered be no room for an entirely new game