In Final Fantasy VII, your weapons are a huge factor in the materia you can use, and Equipment is the Magic equivalent, hence why the deck was built around it
In essence, you could exile a bunch of instants or sorceries from your hand to tee up a big flurry aimed at your opponent, while also getting access to more card draw with which to punish them
Those will fetch a pretty penny, with The Great Henge and Cavern of Souls already hitting over $50
It hits for 18 damage in a 4-player game on its own, and any sort of on-combat benefits really push it over the top
Were not pressured to include an especially high enchantment count (quality over quantity) so we can fit in a lot more normal interaction, including countermagic
Disa would really love a Buried Alive, but Graveyard Overdrive has plenty of ways to mill your deck to potentially find a Lhurgoyf to bring into play