User blog comment:GrimRevenger/Mayu's Room Guess/@comment-77.1.83.94-20160611155753/@comment-25114063-20160616002518

@Iona:

I agree that it's unfair and uncommon. I hate it being unfair especially against slow decks (like Anne) but I don't see it being broken enough to warrant a Simultaneous Use Restriction. Save for topping major tournaments across Japan, I don't see anyone restricting Hellspin.