If you're looking to find any of these cards, rather than buying them outright as singles, then you'll want to pick up some Winterspell boosters ASAP
I want to see Absolute Virtue win the Pro Tour
This Collector Booster contains 15 Magic: The Gathering cards and 1 Traditional Foil double-sided token, including 56 cards of rarity Rare or higher and 36 Uncommon, 35 Common, and 1 Full-Art Land cards, with a total of 812 Traditional Foil cards and 03 cards with a special foil treatment
Not only that, but receiving a promotional card for a movie that I have seen in the theater would make that card even more special to me, and I'm sure for many other fans as well
Cloud, Midgar Mercenary - 520 Cloud, Midgar Mercenary is, unsurprisingly, by far one of the most popular cards from the Final Fantasy x MTG Universes Beyond set