Finally, being placed with the lands is a higher priority than being placed in the lower right
It isn't needed to play, but adds plenty of cool new features to the mix
In Pokmon, for example, card advantage is not the most important thing because players are constantly drawing cards and replenishing their hands (in fact, some decks can even draw 20+ cards in one turn), but it is crucial in Magic: The Gathering and used to be very important in Yu-Gi-Oh
Lands are always something players will be looking for and for me, the crazier the Land or more abilities it has, the better
Level 8 monsters have no more than 3000 ATK
Looking at the Legendary Treasures sheet, particularly the Shaymin EX in the bottom row, it is clear there is some spacing between the cards, so I would assume the uncommons/ultra rares sheet from the first Radiant Collection is also a 10x10 sheet