So basically, we can build a visual search system for both: Trading card games (Magic the Gathering, Lord of the Rings, Pokmon, Yu-Gi-Oh!, One Piece, Warhammer, and so on) Collectible sports cards (like Ice Hockey, Football, Soccer, Baseball, Basketball, MMA/UFC, and more) A visual search/recognition technology is starting to be used on E-bay when listing trading and sports cards for sale
SACRIFICE STRATEGIES I already mentioned Korvold above, but there are many other decks that care about sacrificing permanents
Not only do you want a high land count when you make this you also want to follow it up with land drops so that your plants are relevant
Ungraded and up through PSA 9 prices have stayed roughly steady, but that PSA 10 looks to be getting pricier and pricier to add to your collection