It reads, Whenever Lord of the Void deals combat damage to a player, exile the top seven cards of that players library, then put a creature card from among them onto the battlefield under your control. While mill isnt likely to be your main strategy in a deck filled with Demons, the exiling is definitely nice
As a personal aside, its actually the only reason I ever discovered MTG
This was a bit unexpected because Mark Rosewater had previously given cipher a 9 on his Storm Scale, meaning that he didnt believe it would return without a minor miracle. It seems that long-abandoned mechanics are getting some spotlight treatment in the latest series of Commander precons
Each of the Pokmons attacks will have an energy requirement so that many of the correct energy cards need to be equipped
This is how the combo works
Pokemon Trading Card Game EX Box