If you spot one of these three cards in draft, make sure to choose it for your deck, as these are some of the strongest creatures for their mana cost
I haven't seen pictures recently of people in Japan buying tons of these boxes again on social media
Get Asmodeus in the graveyard, and Necrotic Ooze and Skirge Familiar in play, for instance, and you can dig through your entire deck
This makes it very unpredictable to play against, and more often than not, it throws their strategies out of the window
Mark Rosewater has gone into elaborate detail on double-faced cards on his Drive to Work podcast - I would recommend checking this one out for the history of the mechanic
Easy Storage Cards in penny sleeves can be stored in binders, deck boxes, or toploaders