If you just want to own the card, you will get a cheaper price for a heavily played (HP) or damaged copy, though there aren't any current listings to suggest what you might pay
The final difference in base booster boxes is their contact information again found on the bottom of the booster box
On the other hand, don't forget to check the actual format of the tournament, all premier events nowadays use either Standard format (cards released in last ~24-36 months) or Expanded (Black & White and newer) [2] and your M Lucario- EX is legal only in the latter one
It effectively kills off creatures that dont look like the creatures already on the table
Equip this card to a monster and increase it's level by 1, and it gains 500 ATK
4x Squirtle 4x Blastoise 3x Seel 2x Dewgong 2x Lapras 2x Articuno (base) 2x Articuno (legendary) 3x Professor Oak 4x Bill 2x Pokemon Trader 4x Pokemon Breeder 2x Computer Search 3x Pluspower 2x Gust of Wind 21x Water Energy In retrospect playing with the new series cards makes me wonder why I don't have 4 Catchers Gust of Winds in there