Another classic, painted in 1996 for an interview and feature article in the now-defunct magazine "The Duelist" published by Wizards of the Coast.
The original is 24x15" Acrylic on Illustration Board. It is not currently available for sale
Otherwise, there is a signed limited-edition print of it which is getting close to sold out. That can be found here. [link]
The creative commons license for this image requires you to attribute it as "© Gallegos" with a link to the following: [link]
if you decide to repost it elsewhere. Please see the license for additional information.