Lets take a deep dive into all of the games legendary goblins and rank them from worst to best in terms of power/playability for EDH
The downside is that it also mills you, so you'll have to be careful how you use it
They had a solid control deck in Amethyst/Ruby and
That means if you play a 6/6 dragon with some absurd ability, you then have two copies of that dragon until the end of the turn
Path of Ancestry is similarly a good card, but with less than a third of the creatures sharing a type with the commander, it won't have much use except as a mana fixer, but entering the battlefield tapped slows it down
We have perks in the form of different Auras, serialized Bobbleheads for collectors, rad counters, Junk tokens, V.A.T.S., and more