If I had the money and I were to go to regs/nats then this would definitely be what I'd take. It's super fast and hugely underprepared for. The most aggro strategy people will be preparing for is likely just Blazing Flare Kagero.
Grade 0 (16):
1 Battle Raizer (S)
3 Three Minutes (D)
4 Ring Girl Clara (H)
4 Red Lightning
4 Shining Lady
Grade 1 (14):
4 Twin Blader
4 Death Army Guy
4 Screamin' and Dancin' Announcer, Shout
2 Tough Boy
Grade 2 (12):
4 Death Army Lady
4 Brutal Jack
4 King of Sword
Grade 3 (:
4 Asura Kaiser
4 Beast Deity, Azure Dragon
Grade 0 (16):
1 Battle Raizer (S)
3 Three Minutes (D)
4 Ring Girl Clara (H)
4 Red Lightning
4 Shining Lady
Grade 1 (14):
4 Twin Blader
4 Death Army Guy
4 Screamin' and Dancin' Announcer, Shout
2 Tough Boy
Grade 2 (12):
4 Death Army Lady
4 Brutal Jack
4 King of Sword
Grade 3 (:
4 Asura Kaiser
4 Beast Deity, Azure Dragon