If Dark Confidant or some other way to run away with a game were included, I would not advocate cutting all the discard
Much like Pernicious Deed, the OG of scalable destruction, cards like Punishment are still few and far between for good reason: they are powerful, and they can protect the cards you want to keep around
Firstly, Gideon's +1 is capable of preventing a target permanent from dealing damage until the beginning of your next turn, potentially negating significant damage from an opponent's most powerful creature
But some cards, like the firebending masters Ran and Shaw, lean more toward the epic side of the series
The Mewtwo pack is the best pack by a landslide if you are looking for a quick way to make a competitive deck
Trenzalore Clocktower Marcy: Conditional Midnight Clock