shadows of innistrad booster box Remastered 100 uncommons mtg innistrad booster box Magic:

Perdita, Devoted Mother is a one willpower and six health legendary that quests for two lore, and allows you to play two cost or less characters directly from your discard for free whenever she enters play or quests

Mai Valentine Mai Valentine , known as Mai Kujaku in the Japanese version, is a recurring and supporting character in the Yu-Gi-Oh

The activation conditions include paying 1 cost and placing this card as 1 of your [Legend-Arms] trait or 1 of your level 3 Digimon's bottom digivolution card, therefore the effect can't be activated just by paying 1 cost.

And if you look at the current PSA 10 prices, you can be sure these are cards that will hold their value or even increase.