How much money r the folloing pokemon cards worth!!?

Question

1) leafeon lvx, year:2008, mint promo

2) entei, year: 2001, mint promo

3) tyranitar ex, year:2001, mint

4)darkrai, year 2008, shiny but not promo

5) latios (the one that does 120 damage) year: 2008

6) omanyte year 1999, 1st edition

7)gardevoir ex, year 2006, delta species, mint promo

Answer 1

the omanyte is probably the only one that you could get 20 bucks or maybe more for...this is due to how it was one of the original 150 cards. The other cards are fairly new and won't sell for much probably for another ten years