According to Dot Esports the two most valuable cards are Roaring Moon, which could sell for up to $5.70 and Dragonite, which could sell for up to $5.50
Im sure the offspring ability has some use, especially with cards that dont particularly care about their power and toughness
This one is not a slam dunk like the next card on this list (and almost every one thereafter), but I do think that a deck that wants to make an Army might want it, especially out of the side
While Jodah is largely a flavor-of-the-month kind of commander, his appeal is widespread and the fact that the titular sponge is a another portrayal of him might allow for some financial movement here
Endless Atlas gives you constant card draw so long as you have three lands with the same name, War Room lets you pay one life to draw a card, and Minas Tirith draws a card so long as you attacked with at least two creatures
The last thing you want the recipient to experience is a whole pile of disorganized cards when they open that package