This means that there are two states of Common Cause it does nothing, or it gives all (nonartifact) creatures on the battlefield +2/+2
If you prefer to run Belakor, the Dark Master as the commander, youll probably look to add a few more demons and some support for that tribe
Remember, when Arabian Nights was being designed they were at first planning on making it a standalone game
Dredge: Cant win, but its a well-known fact that Dredge sucks, and no one plays it, so no worries
Through pinging for just one or two damage each turn, you end up with a fistful of cards and enough life to survive being hit back
Its incredibly difficult to predict how good this equipment planeswalker is, but if Wizards has put their force behind it to make it a headliner, expect it to perform well