12 to 13 of those are foils: five of Rare or higher, four Uncommons, five Commons, and one land
You will not run into a Rareless set with current MTG product
Try rubbing your finger along the corners, up and down the stack, and see if you can feel any card being different
You might be waiting a while before you find the special illustration rare you're after though - cards like Mew ex, Charizard ex, and Gardevoir ex have rarer versions that continue to elude me
Ebay charges a flat 10 percent "final value" fee on each item you sell, so if you sell a $100 card, it is automatically knocked down to $90
However, it still has some weaknesses as the Tokens have no rules against being tributed, and Bishbaalkin itself cannot attack the same turn it uses its effect