how many packs in a japanese booster box Pokemon Cyber Judge plus 9 of the OG Pokes including Mew ex and Alakazam ex Booster Box Violet ex

As revealed in todays Arena Announcements article, Library of Alexandria will be replacing Library of Leng in the Special Guests sheet on Arena

Then, if you have a Normal Monster in your Graveyard, you can change the battle position of 1 monster on the field

Another thing I noticed is that once you make a decision, such as summoning a monster in Attack position, you can't backtrack

Not only do you discard the two best spells from your opponents hand, but they also need to find a way to kill this creature, potentially drawing removal out of them, if they find it at all

This makes each Gem Rare card feel like a treasure