Giving your opponents cards like Aggressive Mining to prevent an opponent from playing lands is a fantastic way to shut them down while helping you draw cards
16 Angels Angels have a long and storied history in Magic , with Serra Angel often considered one of the game's first great creatures (though it pales in comparison to the creatures of today)
If you play lots of basic lands, you can then run strategies which punish opponents for playing too many nonbasics, my personal favorite being Primal Order (Homelands version, 49 cents, thank you very much)
Passing an Abzan Charm sends a signal downstream that Abzan might be an open color combination
If you get a Duskmourn Commander precon, just add the respective scheme decks to play with the additional Archenemy rules
If you cast one, you won't have to pay an additional the first time you cast the other