Czech National: White Book deck (can't remember the house)
Uh, for the record, Štepan's Stark White Book deck came second in Prague, not first. The tourney was won by a Bara Wildlings deck that, while it was certainly not net-decked, was definitely inspired by that deck you built, the one that won the French National a few weeks before.
That said, there is certainly a strong meta element involved in doing well at tournaments. Remember Stahleck last year? The house that was least represented in the overall field, Greyjoy, won the tourney and had more decks in the top 8 than any other house. And of course, a good player with a good deck that does unexpected things has an advantage over a good player with a good deck that is predictable. But that doesn't guarantee a win. Saying that you need an element of surprise to win a tournament is certainly going too far.
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Sorry, Ratatoskr, I thought you won the Austrian championship with that deck^^