I always buy packs from the same box (ultimate rising), is that optimal? Or should I also start buying packs from other boxes?
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anoymous
You should keep buying Ultimate Rising until you have most of the good cards(kuriboh,twister,reinforcement,etc.). After that I would recommend neo-impact(1600-1700 Atk monsters, black pendant, mirror wall, jerry beans man, etc.)
anoymous
when you've already bought and got some of the good cards in ultimate rising then you should get the other ones.