Questions like when did pokemon cards come out? or are pokemon cards a good investment? are part of the bigger picture, but your personal goals should affect your decisions
So let's find a way to attack with a lot of creatures
Anything expensive, you will most likely have to keep resubmitting it till you get lucky with the right grader or fix flaws before resubmitting
Land Enchantment - Saga Urza's Land (CTRL to add secondary) Ramp Thran Spider Reach When this creature enters, you and target opponent each create a tapped Powerstone token
Not only that, but its in-game legality didn't raise concerns, and the fact that it was very expensive was fine considering this and also the fact that it was a premium set, meaning it had very strong and valuable cards that in turn increased the value of each pack
You can find rough sale amounts online through the likes of PSA