While Master Ball Foils also appear in this set's English twin, Prismatic Evolutions, their standing as one of the most desirable variations gives this Umbreon the edge over its Special Art Rare twin
Its second ability protects itself and other resource denial pieces in play, and its first ability easily combines with several other cards to strip opponents hands, and keep them empty
The opportunity cost to include them in your deck is so low that it often makes no sense not to play them, outside of a few hyper-specific cases
It depicts Belle in the midst of a spiral of rose petals, the enchanted rose positioned firmly in the center
Spend some time building its loyalty (or pair it with a combo piece like Doomsday Excruciator) and itll be a powerful mill finisher in 60-card MTG formats
The combo doesn't even need to do anythingall you need to do is cast a noncreature spell infinitely to give a creature with prowess infinite power and toughness until end of turn