In other words, if Mirrorweave had targeted the face-down permanent, then every other creature would have become a 2/2 creature with no other characteristics (rather than a copy of Willbender.) This is because the rules of the game specifically define the mechanic to work like that
As you work through your collection, you may need to add more sorters to accommodate your growing number of sets
Of course, videos reviews can help to an extent, but ultimately when you use the box yourself will decide if its perfect for you and your needs
Transmute Artifact ($396) Transmute Artifact goes back to that rule about cards on this list caring about artifacts
As always, I'm eager for any feedback, be it on today's article, any of the cards I talked about, or on Tarkir: Dragonstorm in general