Jump Scare Zimone, Mystery Unraveler helms this Duskmourn Commander Deck, and can allow you to cast big spells face-down until the moment comes for them to pop up (like a Jump Scare , get it?)
In a game such as Duel Monsters, which does not have any resource management aspect like many others of the widely popular TCGs in existence, this effect can be what wins a player a game
By paying 1000 life points, Judge Man allowed the player to destroy all the opponent's monsters and inflict damage equal to the number of monsters destroyed times 500
You may cast a spell from among them without paying its mana cost
Source: Pokemon.com The final wave of Ascended Heroes product
Once a set sells out, your chances of finding that special card you had your eye on significantly decrease