You are looking at a 50 mythic repack of Magic: The Gathering cards. These mythics can come anywhere from Shards of Alara to the most recent set.
There will be very light duplication if any for purchases of one lot. If you buy multiple lots do expect a good amount of duplication between the lots though as our pool of mythics does have limits. Over 90% will be in near mint/mint condition (if not all of them.) Mythic Rares are the highest typical rarity in most MTG sets! Don’t miss this deal!