Their Name Is Death rewards your dedication to a mechanical future, and any artifact creature deck in Commander probably wants it
To playtest new cards, stickers with the new card data are printed out and stuck onto old cards no longer in common rotation
"We make new powerful Pokmon cards regardless of that, but being a trading card game, it's constantly continuing from what came before." Despite the thousands of hours spent testing and balancing them, players occasionally surprise card designers with how they use a particular card or deck
Your opponent decides what to discard, both during the resolution and indirectly by deciding which cards to hold back on their turn as fodder for further discard spells
His named ability, Its Beautiful, No?, lets you play a 6-cost or cheaper Song for free when you play him
The thing is, with Karn, Scion of Urza, Ravenous Chupacabra, and potentially even Gonti, Lord of Luxury, black decks are incredibly tight on space at the four spot on the curve