Six-mana for a 5/5 flier that reanimates any artifact from your graveyard is a pretty sweet deal, especially when you're getting some of the bigger, more broken cards back
Add to that a free equip with every new Mouse, Rat, Squirrel, or Hamster that enters the battlefield, and you've got a sword that's way better than a similar rhyming piece of equipment
Second, to get a more accurate representation of each Creatures potential in the current state of Magic, any Erratas to a Creatures original printing will be included
The sac of three for one is worse, card wise, but if you get a game ender like Blightsteel Colossus or card draw machine like The One Ring, that'd be worth it
Magic: The Gathering began to cater to collectors of the beloved card game more starting in the late 2000s by debuting the From the Vault series, which featured limited-release collections of notable cards from Magics history