While it would be extremely difficult to top the mind-bending original art, it would be a real treat for Magic fans to see Peer into the Abyss re-imagined as an Innistrad card, thanks to all the different genres of horror it could invoke.
This means you could spend the mana to activate an ability of an artifact you control or an artifact card in your hand or graveyard, for example
The Return Of Hercules can easily be slotted into the deck without having it be stuck in your hand, and can offer versatility and niche gameplay interactions in the early to mid game
Savvy players of a deck known as "The Deck" used to throw in a couple of copies of this card-advantage artifact remover in order to, well, gain card advantage, while improving their board positions
Elsa can almost always be used in the middle of the game
While it doesnt win you the game on the spot, it does put your opponent under some very difficult conditions once you give it to them