World Linking Key the First, Drago-Uno

You may only cast this card during your opponent's turn, and you have five or more different world names of cards in your drop zone.
[Cast Cost] [If you have one or more cards on your field, put all of them into the drop zone]
[Counter] Discard your hand, and draw six cards! Then, for this turn, you cannot be dealt damage!! At the end of your next turn, you lose the game. You may only cast "World Linking Key the First, Drago-Uno" once per game.