Its ideal for quick games, and since every pack comes with an anime-style alt-art card, its not a bad way to pad out your collection, either
Demonic Counsel is a perfect compliment since it is the most accessible tutor for demons, and for today's purpose, every bit as effective as Demonic Tutor
I wouldnt be surprised if Esper Control, BWx Stoneblade, and any other decks that can pay both the base and overload costs start adopting Damn as their Wrath of choice
You can control the amount of milling so you wont deck yourself, and the hideaway ability has a fairly reasonable condition to give you a free spell later
Ive listed a lot of other options to add if you want to spend a little more money, but what we have here should boost the effectiveness of the deck without becoming too overpowering at a relatively casual table
Everyone has seen the iconic image of the Midgardsormr struck through by Sephiroth when you travel through the area after, showcasing his immense power after the fight you and your party went through first