Would it be appropriate to use the boxes for retail and online sales
If the copied creature was copying something else, then the token enters the battlefield as whatever that creature copied, with the stated exceptions
In practice, shuffling once is sufficient, but effects that care about you shuffling your library (like Psychogenic Probe, for example) will see that you've shuffled twice
Id personally keep them to enjoy and wouldnt bother with regrading, but if youd like to take your chances thats up to you
Two-colour combinations Three-colour combinations Four-colour combinations Five-coloured combination You can include any number of the five MTG mana colours - Blue, Black, Green, Red and White - in your deck
Lands are often overlooked in many strategies, but as the lifeblood of the game, it can be a tremendous help to bring lands back from the graveyard