They are usually clear plastic bags that serve several purposes: Extra layer of protection: The game card sleeve plastic bag provides an extra layer of protection to protect the game card sleeve from damage by liquid, dust, scratches and other contaminants
The artifact protection duo of Lightning Greaves and Swiftfoot Boots are also common sights in r/EDHs decklists
This is basically a better version of Bone Splinters Things like Rhuk, Hexgold Nabber, Blightbelly Rat, and Cacophony Scamp are all things that have upsides when they die and these certainly aren't the only ones
This new Emrakul can be brutal, punishing players for curving out, and it can come out a lot earlier than you think if a deck has dropped a Thran Dynamo and a Sol Ring and casts something like Demand Answers
Yidaro, Wandering Monster I really enjoy this card in 60-card decks where you have a good shot of drawing Yidaro again as you keep restocking those goods
This means setting up in a dark room, with an overhead light, a card mat, an empty slab, and Giovanni's card cleaning kit should be close by