There are 12 Displays per Case and 1 of 12 exclusive PR cards in every Case!
Finally, super rare are the rarest of the rare, and they can fetch an astronomical price on the secondary market
The card cannot be targeted or destroyed using card effects and, once per turn, you can destroy a single card your opponent controls
Rush (This Digimon can attack the turn it was played.) [On Play][When Digivolving][When Attacking] Delete 1 of your opponent's Digimon with 6000 DP or less
This face-up card cannot be used as material for a Fusion, Synchro, Xyz, or Link Summon, also during your turn only, it is unaffected by monster effects activated on your opponent's field
You are right saying that some attributes have lots of support, but it is not the same as the ability to get in you hands the card you want, when you want