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One of the largest and most fearsome red dragons ever known in Faern, Old Snarl is sometimes moved by strange whims to perform acts of kindness for creatures he doesn't think can harm him

2 Hyperspace foil cards

It's a bit of an exaggeration, but in reality, Recovering parts with Hide-and-Seek Returning to the hand after activation to be reused, Because of these two reasons, I can assert that unless there is a specific countermeasure, you will almost never lose a resource war

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Other than that its pretty unhelpful

As for Mental Missteps effect on the format, it contributed to a warping where players would try to avoid playing any one-cost cards in their deck at all so as to blank the card