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The most interesting thing about the new Holowitches card reveals are their tags. They all have
> #Holowitches #(Their gen) #Magic
This means that they can be tutored by Shion. Also, they don't count towards JP or EN for some reason.
Oh, and they also have different names. For example, this one is "Magical Girl Chloe"
> Collab effect: You may roll a dice. If the result is even, reveal a Tool card from your Deck and put it into your hand. Then shuffle your Deck.