Theres also Grim Monolith and Power Artifact, which create infinite mana and can allow you to flip your deck with Urza the same as if it was the Hullbreaker
If each deck included a couple of shock lands or fetch lands maybe theyd be worthy of the hefty investment, but they dont
Since it's a Legendary Sword, I would've liked it to have a name, like "Extor, Sword of the Animist" or something, but that might just be a Game of Thrones / Lord of the Rings influence on me
Its not all reprints
In Invasion block's Domain deck, you almost always had all five land types in play, so it was trivial for this card to act as a brick wall against your opponents' attacks
That said, the format has some salt-inducing cards, and EDHrec.com knows it