The most expensive card in the Guardians Rising set is Sylveon GX (Rainbow Rare)
That second number doesn't ever include the Secret Rare cards though
Because of the newness of the format, it's really difficult to learn much from these bannings, and things are further complicated by the fact that in the early years of the format, Wizards used a restricted list (much like we have in Vintage today, where you can only play one copy of a restricted card in a deck) alongside the banned list, and while many cards were restricted in the early years (Balance, Fork, Zuran Orb, Black Vise, Land Tax, Hymn to Tourach, and Strip Mine), only two were outright banned
You choose which player, planeswalker, or battle the Human is attacking
Like most Pokmon cards, the value of Karrablast depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Brilliant Stars)