So perhaps Mirris terrible mom, in a roundabout way, allowed her to achieve her destiny
You can circumnavigate that little opening for your opponents to attack by giving your creatures vigilance, ensure they never lose that hexproof shield
Krenko makes an insane amount of creatures over the course of a game, and having an indestructible second commander that shoots damage and is able to give firebreathing to your entire board seems like its going to shoot out a lot of damage
Power is on the left, and toughness is on the right
As far as Elite Trainer Boxes go, you'll be lucky if you see them for $80 or less
Besides these physical implications, it should be considered that someone (the players or a judge) will need to control the validity of the cards - which may prove difficult with some of the above points