We have another recent example of the surge of interest: The Marvel X Secret Lair collaboration in late October sold out in five hours or so, with the bonus Signets selling out just before all the Lairs went out too
Thanks to Showcase cards and other Magic -focused Secret Lair drops, we already have a ton of cards that don't much look like "traditional" Magic cards
Although it can only return creatures with a mana value of three or less, there are many with powerful effects that are worth bringing back if they ever get removed
1) Berserk Recently unrestricted in Type 1, many a player has the story of how a friend of a friend died to a double Blood Lusted, triple Giant Growthed, Berserked Forked Scryb Sprites
He will always be a threat and will demand an answer every game
The set is smaller than average (similar to Aftermath), consisting of only 110 cards (including basic lands)