You can use the card catalog to search for specific cards, browse by set, or view the latest cards that have been released
Simply bring out Frightfur Sheep, use Polymerization, summon Sabre Tiger, and revive the Sheep
While it is true that it's going to cost a lot if you're going to run out and buy an entire top-tier Modern deck with cards like Ragavan, Nimble Pilferer and evoke Elementals, the way the Magic Online economy works is that only a handful of tournament staples (especially Modern and Legacy staples) are expensive, while most of the other cards on Magic Online cost close to nothing or, in some cases, literally nothing
Twilight Masquerade is an exciting expansion set for competitive players, with heaps of cards that hold potential for creative deck-building
Whether trading arrives in January or later in the year, there is a strong chance that it may not be worth waiting for