While it does have variants in the form of Super Doom King monsters, the judgment rests on what the base card can do
During your opponent's turn, if a face-up "Dual Avatar" monster(s) you control, except "Dual Avatar Feet - Kokoku", is destroyed by battle or card effect: You can Special Summon this card from your hand, then you can apply this effect
The first player to 20 wins - meaning you could technically go a whole game without fighting your opponent if you build a deck around churning lore as quickly as possible
It took until Mirrodin to finally see the light of day
Condition matters more than usual because a damaged promo loses most of its premium
After putting in about forty matches with the deck, I reached the conclusion that the archetype as it stands right now is fundamentally flawed and I would have to find something else to play