This was not all that unusual for a card game in the 90s, making stupidly complex card games was kind of a thing back then, but even so far as complex CCGs go, Vampire Eternal Struggle stretched the definition
Not only does it have the highest number of reprints worth at least $3, but many of the reprinted cards in Invent Superiority are high in price because they have a lot of demand (rather than low supply), which means these staples are more likely to maintain their value moving forward
Star Wars: Unlimited Star Wars is a media giant that needs no introduction, so its no surprise to see it represented in the TCG sphere
This works in most decks since it's a free land slot
(They put the top card of their library into their graveyard.) Sacrifice this creature: Draw a card
It's likely unplayable in Pauper, though