Like most Magic: The Gathering cards, the value of More or Less depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Unstable)
Alternatively, this card can be attacked while on the opponent's side if their Life Points are low enough
If you ever played a fourth one, it would have to cover up one of the first three
The screen will likely ask you to print out 3-4 copies of the official forms so you can sign 1 and send 2 in the box with your items
The rounded corners may take you some time to cut, but I'm sure your special graduate is worth the effort
When storing classic Pokemon trading cards, it is important to keep them in a cool and dry environment, away from direct sunlight and excessive humidity