It gives everyone extra cards during their upkeep, although everyone must discard too
Sarulfs Packmate Three toughness used to be a big deal in Pauper
Part way between a Toolbox and Stax deck, Magda is a strong contender at higher brackets that doesn't give opponents time to react to your strongest cards
Incidentally, I would love to find a way to work Nykthos, Shrine to Nyx into the deck, but it will definitely require accurately predicting the field to tune the sideboard
In the Kamigawa: Neon Dynasty Bundle, Wizards did away with the traditional shrink-wrap and instead used a cover box with security seals on both ends of the package
When it comes into play, all creatures in play get -X/-X for the turn, with the X equaling what you put into the casting cost