PSA Grade 9 means the card is in near perfect condition, but could have "a very slight wax stain on reverse, a minor printing imperfection or slightly off-white borders." A PSA Grade 10 card is a virtually perfect card, and attributes include "four perfectly sharp corners, sharp focus and full original gloss"
In reality, this set is roughly 50% more expensive than your standard Magic: The Gathering release
Mega Steelix ex takes 20 additional damage from Fire-type attacks
Now, the cheapest English NM foil is $14, noticeably under the cheapest foreign foilthough thats a Spanish foil, not really the chase version
Beckett, the company that PSA owns and uses to grade its cards, has awarded only two Illustrator cards the inferior MINT 9 grade
Just remember that Overabundance can do the same to you when building your deck having some nonland options to generate mana or a couple free spells to take out enchantments can go along way toward keeping you from accidentally locking yourself out of the game