Not only do you get absurd cost reductionespecially considering how big green creatures are these days (look at the 4-mana 6/5 with upside in Colossal Rattlewurm)but also a potent finisher effect with the attack trigger
Other options related to auras are Siona, Captain of the Pyleas and Syr Armont, the Redeemer, but these are just reprints that fit the decks theme
One of the strange aspects of mill is that the opponent doesn't die simply because they have an empty library
A lot of this stems from the recent Wizards of the Coast controversy that came with its own vintage set in late 2022, the Magic: The Gathering 30th Anniversary packs
Luckily, its typically a pretty easy decision to make once we know what to do
Combo Scrooge with Lucky Dime and the above Magica De Spell, The Midas Touch and youll be generating a hefty amount of lore before you know it, all the while dealing with any tricksy evasive characters on your opponents board