It means that the market can change quite quickly
He concluded the lecture by stating that finding ways to increase efficiency through such research is the current challenge for engineers
The Great Aurora The Great Aurora is several different things, many of them not typical of green cards
The frequency by which a card gets played is pretty much the only universal statistic than can be applied to cards that do entirely different things in different decks
Sometimes price changes due to sheer popularity like the high price of The Lord of the Rings: Tales of Middle-earth set booster boxes, or like Kaladesh that have inventions see a faster rise in price since they have limited edition elements
If setting up lots of mana to win isnt your thing, Kess, Dissident Mage can simply win you the game on the spot by having Intuition fetch up Thassas Oracle, Demonic Consultation, and Reanimate, and its hardly the only commander with access to these kinds of shenanigans