They are some quality cards and have great artwork. 

FAB is getting popular would be nice to be able check off collections

Booster Packs

Starter Decks

Promotional cards

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Allow us to track prices of Pachinko machines in our collections. They are arcade adjacent in my opinion and fit right into a game collection. (I realize this is a relatively niche request)

I like to check my games in alphabetical order how ever games like snes Lost Vikings and The Lost Vikings 2 are completely separate because of “The”. Would be nice to have option of putting the at the end. 

A Bleach Thousand Year War Union Arena cards to the site

A fan of using technology for a more logical "accurate" data. Mana Grading A Collectables is a fairly new company that uses AI technology for grading. Yes that means taking the human error out of the process. The grading service comes with a report of each graded cards condition with digital proof and a leader board of how many have been graded of its kind and its grade class. The presentation and technology is better suited for logical thinkers that need technology backing data for grading.

Add the Topps Star Wars cards to the site.

Ability to add boosterbox cases at once. In steady of 6 booster boxes. Because a sealed case has a premium price when sold.