COVEN COUNTERSStrengthen Your Creatures Bring together a myriad of humans and throw a festival for your coven
You get a lot of potential draw power off of Loot, giving you at least one extra card per turn assuming you have at least something else besides lands in play
Heck, Widow's Walk ability is so situational, that it might not even align well with typical Limited strategies, where attacking with multiple creatures is often preferred
If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.) Notes: Test Card - Not for constructed play
It show the Pokmon Blissey
For example, Sorcerous Squall's mana value is 9 even if you exiled three cards to cast it