We get a decent attacker - 5/5 First Strike - but it's the fact we get to double our damage output while halving anything we take that really makes it
All in all, the one-of-one One Ring is up there with one of the games best marketing campaigns, arguably even the best, and we can expect much more of this kind of thing going forward.
I'll touch on a few of my favorites
Toski, Bearer of Secrets Fun fact: In senior year, Toski was voted Least Likely to be a Typal Commander. An indestructible, uncounterable commander is already really good, and the fact that it has to attack each turn means that it rewards you if you pile it high with auras, equipment, etc
Whenever Frodo, Determined Hero enters the battlefield or attacks, you may attach target Equipment you control with mana value 2 or 3 to Frodo