massive darkness card sleeves Eschaton Keep your cards free of the wear and tear of battle Bushiroad Sleeve Collection HG Vol.1058:

If you played a Supporter card from your hand during this turn, this attack does 70 more damage

There might be actual cleaning agents for the card as well but im not to versed on what ppl actually would use for this

with a fandom of its size, there are many hardcore memorabilia collectors amongst them

They've got lifelink and a neat Trace Aether ability that triggers once per turn whenever you cast a noncreature spellletting you return a creature from your graveyard to your hand as long as it shares the same mana value

For the second prong, the nature of the original work is creative, which weighs against finding fair use

It has outperformed the S and P 500 by almost 15% in the last few years," he said