The listing, Tiered Pokemon Cards has ended.
Starting bid to 500 is for a common card.
500 to 1500 is for an uncommon card.
1500 to 2500 is for a rare card.
2500 to 3500 is for a rare foil/rev foil card.
3500 or more is for an EX card.
You can also mix and match, for example if you bid 2500 instead or a rare foil you can get a rare card and 3 uncommon cards, or any other combination you want as long at it adds up to how much you bid.