(Source: From a friend who got in contact with Mitsuhiro Arita himself in person at events, as well as on Facebook.) Neither of them are misprints, but the Red Cheeks arent Mitsuhiro Aritas original artwork
A number of factors determine a Pokmon card's value: its rarity, its condition, and its usefulness in competitive play

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Fallout TypeInstant Collector Number861 Rarityrare ArtistRobin Olausson Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Choose any number of target creatures with equal toughness
What started as a harmless one-drop turns into a miniature Rhystic Study that nobody dealt with soon enough