As with other marketplaces like eBay and TCGPlayer, theres an excellent selection of sets available for purchase, but the biggest draw for many n this area is likely to be the easy access to different languages of cards
Candy Trail Candy Trail is a nice, almost-egg for food decks
Also, it's a reusable ability, giving it an advantage over a card like Culling the Weak
No one knows right now, but just pray to Yevon that this doesn't mean an incoming Prism Array reprint
Even though it isn't strictly a Landfall ability, a card like Gigantoad that cares about the number of lands that you control is also a good option for this type of deck
Seeing this card in person makes it easy to understand why it's so valuable, but it's even better when put to use in a strong dragon-themed commander deck