Check it out yourself over at Magic Online if you want to get in on it, or if not, do what I'm doing and utilize the card pool to build your own Commander decks with a restrictive set of cards
Punishing your opponents' card draw makes this a lovely addition to black lifegain decks
THIS DIS DONT MISS There are very few decks which are forced to be so adaptive and reactive to the opposing deck and the current game state as these ones and for some kinds of Magic player, thats a positive
Some opponents can recover from that better than others, but its a better sweeper than focusing on islands or snow
Regardless, it could easily see play at least out of the sideboard along with Mirrorshell Crab, and the value it generates in Standard is undeniable
Eladamris Call has the added flexibility of letting you pay over the course of two turns (two now for the Call, and then two more when you untap and want to drop your Devoted Druid)