Keep your attention on the board state and pivot as needed
well, use your imagination on that one
With Phyrexian Processor, you can pay X life to make an X/X token and, in Commander, thats pretty huge
Its too much value and flexibility as a massive 7/7 reach with a 4/4 trample buddy, but you can choose between other modes
Those who played back when it was legal know how often the game would revolve around a Prophet of Kruphix Recurring Nightmare The play pattern of repeatedly looping the same creatures, and without an interaction window because the returning of the enchantment is a cost, and the combo potential, leads to a card that is more likely to create harm and frustration than good
If they don't answer, an opponent chooses one