No, any alteration on cards is against the rules , even if they come that way directly from a sealed product
Aminatou, the Fateshifter is a very solid enabler for the top-deck strategy, but she was ultimately more commonly rendered as a blink commander
Regardless, both cards function the same and can be immediately used in a sealed battle tournament if desired
It's just one dork goaded, but you never have to do anything else, it's permanently goaded and then you also get a power boost too
They are Prismari, the Inspiration, Silverquill, the Disputant, Quandrix, the Proof, and Witherbloom, the Balancer, each great commanders on their own, but as leaders of dragons, not so much
I would like to see provoke revisited too, if nothing else I feel that green could really do with some decent provokers