Looking at the most valuable cards in the Final Fantasy x Magic: The Gathering set as of the time of writing shows that the highest-value cards are all either foil or surge foil printings, which seems to have contributed to the hyper-inflated cost of both individual Collector Booster packs (now going for $100 on the secondary market) and a Collector Booster Display Box (fetching up to $1,200)
Some of the most popular snow sources are the returning "Snow-Covered" basic lands
Secondary Marketplaces The secondary market is ideal for finding specific cards, including rare and out-of-print items
Manamorphose Manamorphose does exactly what it says on the tin, giving you back the same mana you pay into it in whatever color combo you want
Token-based strategies are very common with Soldier cards, along with Soldier creatures that give anthem effects to your other Soldiers
Daretti, Scrap Savant is very passionate about this subject, and will be more than happy to show you how to get the most out of reusing and recycling your trinkets