These are the cards that are forbidden to all:
Slifer the Sky Dragon.
The Winged Dragon of Ra.
Okelisk the Tormentor.
Five Headed Dragon.
Blue-Eyes White Dragon.
Blue Eyes Ultimate Dragon.
Blue-Eyes Shining Dragon.
The Sacred Beasts (I forget their names)
Snatch Steal.
Change of Heart.
Black Luster Soldier-Envoy of the Beginning.
Choas Emperor Dragon-Envoy of the End.
Master of Dragon Soldier.
Dark Hole.
Toon World (or any toon cards for that matter)
More later....
-Okami