In my phone interview with Wizards I was asked why did I program Forge and I answered, Because I wanted to use expensive cards that I didnt own and the guy said, Randy Buehler would have a cow if he heard that. Ha
My long-term expectations for these five are quite mediocre, though, and its hard to imagine these dragons being more than $15-$20 for the top two or three
Zendikar Rising s box toppers feature the return of Expedition lands: rare and sought-after lands with borderless treatments and alternate art
Even if it's only one creature, in dedicated landfall decks, this gives you a guaranteed way to hit all of your landfall triggers each turn, even if the trample is irrelevant
Its hard to imagine packing any of these color hosers for this purpose, but I suppose they can do it if your LGS has a stale meta and you just need some breathing room