One of the recent beneficiaries is Filigree Vector , from the March of the Machine set
By printing your own custom Magic cards, you can save money while having access to the fun, homemade cards you need for casual card games with friends (think DIY poker cards)
Neither card is exactly expensive, but regular Etali is $5.99 - two dollars more costly than the special frame version
Here is for example a live eBay listing for that same Japanese e-Reader, but the Pokmon cards are unsealed: Card e Reader for Nintendo Game Boy Advance GBA + Pokemon Card e SET Japan Used | eBay EDIT: Or is it just a sleeve the seller used, since the second picture seems to be from the same listing based on the background
And Im not just talking about how many times you can trigger landfall
For example, The Gitrog Monster can draw you extra cards and Titania can give you a 5/3 any time you sacrifice one of these lands