For example, if you control Johann, Apprentice Sorcerer ("Once each turn, you may cast an instant or sorcery spell from the top of your library") and Brightcap Badger is on top of your library, you can cast Fungus Frolic, but not Brightcap Badger
PSA 9 carries a solid premium (20-40% over raw) and is a realistic target for most pack-fresh JPN cards PSA 10 (Gem Mint) The Gold Standard PSA 10 means the card is virtually perfect: sharp corners, flawless surface, centered within PSAs tolerances, and clean edges
Whats more, white is one of the better colors at ramping and returning lands from the yard to play with cards like Sevinnes Reclamation and Sun Titan
Their check gave me exactly what to look for
As a very high level overview, Pokmon are assigned a certain type (fire, water, normal etc) and each type can have strengths and weaknesses