Banned Decks:
Six Samurai's
Dark Worlds
Blackwings
Bujins
Fire Fist
Constellar
any instant win deck
any burn deck
Lightsworn
Chaos Dragons
Mill decks
Mermails
Merlanteans
any stall decks
Quasars decks
Evilswarms
Infernities
Ruler-Based Decks (plant, blue-eyes, etc)
Decks that mainly use cards from the archetype as well as the use of their supports are use, then you will lose the duel automatically.
However, if you have decks that uses no more then 2 cards from one of these archetypes, (like Lyla or Ryko in a chaos dragon deck) then it's perfectly fine to use.