Magic is not different from other areas in which you deal with values, some poor souls will always try to cheat others ultimately by selling fakes
Card conditions in this particular set range from Near Mint to Moderately Played
No Dark types, no Steel, just classic 1st-gen monsters, simple Trainer cards, and nostalgia in cardboard form
Buddy-Buddy Poffin is amazing for slow evolution decks because it can set up the beginning of multiple evolution lines during the first turn
Graded Population Report: Golett #122 Visualize the distrbution of grades in the chart
For example, even if we interpreted your library as part of the battlefield for this purpose, slipping one into the card sleeve of a card in your library during a search effectively marks your deck, and that's not allowed