Get a Lord of Dragons out on the field quickly (one of three), guard him somehow for one turn, then on the next turn, play two flute of summonings and break out three Blue Eyes and a Platinum Dragon #2. Provide necessary defense traps and magic should the opponent expect such a quick play. On a good game, the Platinum Dragon will shoot down their only monster, with the three blue eyes immediately going for a sweeping kill.
That's so retro it hurts.
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I used to play the game but I quit a few years ago due to several aspects. First and foremostly, it was getting too expensive. Getting an up to date deck nowadays can be quite expensive and the prices for cards are fluctuating all the time. I recall how a 1st Edition Dark Crisis Vampire Lord used to be a good hundred bucks worth but nowadays it's not even a fifth of that anymore. The other factor was that I didn't really have the people to play it with. There's a store in my town which sells TCGs and has playrooms for it, but most of these people were either cocky bastards who wouldn't stop boast with their awesome collections or would shuffle their hand cards nonstop while it was your turn, the other players were just kids who didn't even know about the banned list.
Nowadays I only play it as a videogame, primarily the Tag Force series, though it still pains me sometimes that I stopped playing the actual game since there's a huge difference between holding a handheld game console or actual cards in your hands. If I actually had someone to, I'd probably would also play it online via YGO Virtual Desktop.