The attack trigger could kill someone before blockers are ever declared (which means thats the right direction to send the Commissar)
Second, apart from tribal Cats (which may or may not be possible, due to the lack of cards), the only other direction to go is equipment matters, which tends to be an expensive upgrade, since you'll want various Swords, Batterskull, and Stoneforge Mystic and friends
Verhey didnt preview any fetchlands during the panel, but he left the door open as to whether theyre in the set
I've also tossed in generic staples like Cavern-Hoard Dragon and Valakut, the Molten Pinnacle because why not
Prior to the listing of the BGS 10 sale this card was featured on an episode of Pawn Stars in July
Its [casthaven]Tranquility[/casthaven], but with upside, and in a deck that plays a lot of enchantments with ETB triggers, it seemed quite promising