Massacre Girl is a human, and in a Cavern of Souls and Secluded Courtyard world, I can see this as a new top end to a multicolor humans deck in Standard
It would seem that power creep has set the lower bar somewhere a little before 2008 as this is where we are starting to see a more noticeable tick up in creature count
Players of the game will note that it costs Five to play, making it a semi-high cost card to use, but certainly achievable particularly after a few rounds of clever play
One day, a much wiser player gave me a tip for mentally dealing with Millstone
Set: Warhammer 40,000 Sealed Release Date: 2022-10-07 Magic: The Gathering Universes Beyond: Warhammer 40,000 Collector's Edition Commander Deck Necron DynastiesThe Collector's Edition Necron Dynasties Warhammer 40,000 Commander Deck set includes 1 ready-to-play Black deck of 100 Surge Foil Magic: The Gathering cards