No, I recently started using this deck and it still works quite well. I mainly use it in arena, haven't given it much PVP experience.
I like it because it's relatively fast, and it's fun to play.
Of course, if you see Maxwell's Demon, you might as well run
I changed it a little however, because I was finding shields to be a bit problematic. It can help with steals from the opponent as well.
Here's the one I've been using:
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7jo 7jo 7jo 7jo 7jo 7jo 7jv 7jv 7jv 7jv 7k5 7k5 7k5 7k5 7k5 7la 7la 7la 7la 7n2 7n2 7n2 7n2 7t9 7t9 7tb 7tb 7tb 7tb 7tb 8pt