It doesn't wear off during the cleanup step, and it doesn't expire if Souvenir Snatcher leaves the battlefield
They may have deep bends, extensive scuffs, heavily damaged edges, pen or marker marks, minor water damage, or any defect that makes the card easily recognizable even inside a protective sleeve
Perhaps the best comparison for The Meathook Massacre is The Great Henge, which is another mythic that's a staple in both Standard and Commander
It really depends on what youre looking to do with your deck, but its very likely that at least one of these swords meets your needs for any strategy
Roca quickly sifts, sorts, and digitizes your Magic: The Gathering, Pokmon, Yu-Gi-Oh!, and Disney Lorcana inventory
Legendary Enchantment Delirium If a source you control would deal noncombat damage to a permanent or player while there are four or more card types among cards in your graveyard, it deals double that damage instead