The size of the cardpool (360, 540, and 720 being the most common) and the restrictions on those cards (Power 9 included, amount of mana rocks, Modern legal cards, Uncommons only, etc) vary from Cube to Cube, but the general guiding principles remain the same
Since stores can ship European booster boxes to other countries in this region without issue (kind of like you can with states in the US), access to different languages like German, Russian, French, Spanish, and Italian is almost always at your fingertips, ensuring you can open cards in your preferred language without paying an arm and a leg for the privilege
I think this is better than it looks, even if itll sometimes just be five mana to pull a removal spell out of someones hand
Once a creature has been blocked, its considered blocked until the end of combat, even if it gains unblockable