The Phyrexian horror has an Oil Slick version, along with a Step and Compleat foil treatment
You're not trying to win as fast as possible, but if your deck gets rolling, it can close out a game without too much trouble
The other big differences are the rest of the abilities that each equipment provides, but that's on a case by case basiseven two job select equipment can have wildly different abilities
General Beatrix can help with equip costs later in the game
Meanwhile, Blight Curse, fittingly, is all about Blight counters that give creatures -1/-1 counters, but Lorwyn Eclipsed complicates how blight gets used enough that things are far more interesting than they might seem at a glance (get ready to blight your own creatures, and love it)