If you think that a card might be worth more in the future, consider holding on to it
Spoilers ahead: Spider-Man didn't die
Most of this deck works with enchantments, from archetype-specific ramp like Sanctum Weaver and Jukai Naturalist to its finisher package, which includes token production through Sigil of the Empty Throne and Hallowed Haunting plus surprise buffs from All That Glitters and Ancestral Mask
Where prices really spike is when cards appeal to both groups, with a card like Sheoldred, The Apocalypse a prime example being a major player in multiple competitive formats, and a favourite in Commander
Some players may even choose to build multiple decks out of their pool and switch entire decks between games depending on the match-up
And once they find an answer they might flood the battlefield with creatures on that same turn