Many Holo and Reverse Holo cards listed on TCGplayer are priced at only a few cents, far below the $1 prices offered by GameStop
Then, Pol Jamaar has you drawing a card for each creature you control of that type
I see this as a small impact, though, and I dont believe crypto-bros are a main driver, just one of many. With popular sets like the ones were seeing now, the long-term return on investment will likely be a lot higher
Lifegain is super easy in white, and recursion is a powerful mechanic, so this card has a potentially strong effect right off the bat
Enchantment - Aura Tekuthal, Inquiry Dominus Flying If you would proliferate, proliferate twice instead
This card will definitely get some play just on its stats alone but seeing as it's not legendary means this card in multiples just snowballs real quick