It turns out, being able to search your entire library for any creature youd like and place it on top for is a huge swing, especially at instant speed
The use of subtle light and shadow changes is done very well, and the crystal itself is fantastic
Development: Neutral Creatures that are hard to kill often cause some amount of developmental concern, but as the mechanic is a fun one, the developers have found ways to balance it
The deck is designed to fit perfectly thematically with Outlaws of Thunder Junction
In 2010, WotC closed a loophole that allowed premium foil reprints, making the promise even stricter after some collectors felt it violated the spirit of the list
They may be what sells, but they won't be for long if everybody gets sick of it and moves on to more generous games like Yu-Gi-Oh