Dockside Extortionist | Illustration by Forrest Imel A Magic sets value is determined by the secondary market of Magic players and collectors , investment/finance folks, and the game stores, online and brick & mortar, that price according to the actual demand from people and the expected future demand
For instance, if you have a large selection of Commander decks, you may get tired of paying full price on things over and over again because they are just so awesome in so many decks
Toxic 2 is enough to make this a problem when its attacking, but its the stax effect that poisons anyone who sacrifices noncreature tokens
Whether Im stealing my opponents giant Dinosaurs and telling them welcome to the crew big guy, youre a mercenary now! Or stealing my partners Vraska, Golgari Queen, activating her ultimate and then knocking them out with one creature (thank you for not leaving me because of that)