Yes, CGC grades all Pokemon cards, regardless of their rarity or edition
With 13 cards over $10, most of the value is concentrated in a few key cards
Necropolis of Azar makes creatures that can have power and toughness generated randomly between one and three
It's become a staple of Magic Twitter to make completely uninformative posts masquerading as education, which function as a method of manufacturing social consensus without having to actually provide any justification for their arguments
Gather all cards of similar rarity into groups together
Beyond gameplay, yugioh cards have evolved into a major collectibles market, with certain cards valued for their rarity, history, artwork, and cultural importance rather than playability