Erase (Not the Urza's Legacy One) Glasses of Urza Karn, Scion of Urza Liberator, Urza's Battlethopter Sunglasses of Urza Tawnos, Urza's Apprentice Urza Urza Assembles the Titans Urza's Armor Urza's Avenger Urza's Bauble Urza's Blueprints Urza's Cave Urza's Chalice Urza's Command Urza's Contact Lenses Urza's Dark Cannonball Urza's Engine Urza's Factory Urza's Filter Urza's Fun House Urza's Guilt Urza's Hot Tub Urza's Incubator Urza's Mine Urza's Miter Urza's Power Plant Urza's Rage Urza's Rebuff Urza's Ruinous Blast Urza's Saga Urza's Science Fair Project Urza's Sylex Urza's Tome Urza's Tower Urza's Workshop Urza, Academy Headmaster Urza, Chief Artificer Urza, Lord High Artificer Urza, Lord High Artificer Urza, Lord Protector Urza, Planeswalker Urza, Powerstone Prodigy Urza, Prince of Kroog

Ratonhnhakton Ratonhnhakton is the only Esper-aligned assassin from the set, and plays into a graveyard and equipment theme similar to other Esper commanders (Im thinking Sharuum the Hegemon artifact-recursion style)
Also features Moria, Perona, and other popular characters from throughout the series
While Goblin Recruiters ability allows you to stack your deck and reap the benefits of myriad Gobbos down the line, Goblin Matron puts a Goblin from your deck straight into your hand for immediate employment
Thirty-nine copies were made, but its unknown how many exist today