I think its important to consider how well the decks play since these are intended as an introductory product
Add to that the facts that Sandman, Shifting Scoundrel grows rather large and has seemingly borrowed pseudo-unblockability from Greater Sandwurm, and youre looking at a pretty damn good rare
Sublime Epiphany If you like big counterspells, Sublime Epiphany has you covered, especially since you get plenty of value without even countering a spell or ability
The upgrades to the mana base in totality are going to come in under $150, and are all transferable to other decks in the Pioneer metagame should you decide to branch out as well
(Hilariously, cognitive dissonance will likely enable many players to ignore the drop in their collection value as they happily run out to scoop up cheaper staples.) From the speculators perspective, this paradigm shift towards accessibility suggests that holding Modern staples for more than a few years after release is going to be a very risky game
It could sort 150 cards per minute
