In Commander's 40 life format it's pretty solidly strong
Excalibur, Sword of Eden In a format where every deck is led by a historic permanent card, It doesnt seem too challenging to reduce the cost of this equipment all the way down to zero and give your commander a huge buff by equipping it for two mana
Sword of Light and Shadow is one of the weaker swords, but it does protect you from white and black, which are two of the most common colors for removal spells
The sweet spot for walkers in Maverick seems to be at 4CMC, with Gideon, Ally of Zendikar and Vraska, Golgari Queen both having a great impact in the current meta game
And we know what Green can accomplish with too much mana
Since this card has never had a reprint, it's understandably susceptible to a spike