Its good to have elements in your format that are variable based on what types of decks are being played, but Punishing Fire goes too far
Magic: The Gathering loves a good Willy Wonka-style treasure hunt, and various sets have included serialized cards in the past
However, previous to Cloud and Tifa, there were only three cards in Magic: The Gathering that used seven as a power threshold for abilities
It's a standard for Sliver decks, but since it hasn't seen too many reprints, demand has bumped the price of Crystalline Sliver up a slice or two
[[The Water Crystal]] is last for me
I really like it, and I cant wait to play it in Aurelia, the Warleader double combats, double the fun