Most cube designers will say 360 cards so that you can fire an 8-person Draft with 15-card packs and draft all the cards available
So people were left with playmats, sleeves, clothes, and pins to pick through, kinda like Pikachu/Eevee Pokemon together which were gotten from accessory bundles
The most useful thing about the body is that you can easily recur or reanimate it for repeat offences
While, of course, the second and third place cards are also valuable, neither compares to this trophy piece
And even though there were some unfortunately overpowered card drawing spells in the early days that were soon restricted, banned, or too expensive for play (Ancestral Recall, Braingeyser, Library of Alexandria) we still leaned on the artifacts