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These don't specifically mention venturing, but they do amplify the effects of triggering your dungeons' room abilities

R Rare Battlin' Boxer Cheat Commissioner X FIRE Rank 3 [ WarriorXyzEffect ] ATK 0 DEF 1300 2 Level 3 monsters All monsters your opponent controls must attack, if able

Just as mentioned by Nitz, the sheet contains not only test print Pokmon cards but also MTG

A card like Volrath, the Shapestealer can copy an Army, but Volrath specifies that it becomes a 7/5 until end of turn, which means it survives and you can amass onto it

The expansion will be available in the in-game shop, where players can redeem Crystals earned by completing daily quests for various Scarlet & VioletShrouded Fable products.