Most Pokmon cards are graded in accordance with Professional Sports Authenticator (PSA), which is scaled from a 1 for poor and a 10 for Gem Mint
Theyre effectively counter-quadruplers, because both the initial replacement effect adding counters and the death trigger are enhanced
One important note before we move on, though: the amount of ramp in your deck and the amount of treasure generation can free you up for playing more enters-tapped lands, as this allows you to be more mana efficient
It's an open-ended question, but if you can't answer it everything else in the deck won't matter
I have yet to see someone open their fifth copy of a rare or mythic, though, so I dont know how much Vault progress those will give you
Its part of another spell or ability resolving