It's seven mana, and how big it is in terms of power and toughness scales with the number of lands you control
Then you could input a list of the card deck you want to put together, and presto
Power Fist Exxaxl: A card like this would usually be limited in utility because you need trample for it to work, but they actually put trample on the aura itself which seems wild
As a result, even though Rasaad doesn't offer any blink ability of his own, pairing him with Candlekeep Sage allows you to take advantage of a whole slew of blink cards in order to provide your deck with a reliable draw engine, thanks to Candlekeep Sage
The cardboard sleeves protect the inner foil packs from handling damage
They are points that may not be obvious for someone not familiar with these products, like many of the points already mentioned, but clear signs for someone who knows what the actual products look like