You can never go wrong with a Brainstorm, Serra Angel is an iconic card, Progenitus just rocks, and Emrakul is a much-needed reprint
Six mana for a 6/6 with flying and trample sounds like a great deal in Standard or Limited, where itd also be a scary threat, capable of grinding for value by bringing itself back after being landcycled
As for the back side, it could be argued that it is easier to transform back into Ojer Pakpatiq, but you do have a mandatory wait of three mana activations to do so without outside help
Im also adding Expose the CulpritExpose the Culprit as a neat trick for flipping expensive Morph creatures or resetting some flip effects on Disguise creatures
Adding double strike to tokens can also be a great way to win a game if you build your deck around making powerful tokens, like Angels
Since this beefy dino has myriad, it also ensures that youll be able to discover every turn that it attacks