File:War of the Elements.jpg

Summary
War of the Elements TCG set art, shown on a playmat.

Source
https://i.ebayimg.com/images/g/iBIAAOSw7mlf6Kod/s-l1600.jpg
 * https://www.ebay.com/itm/World-of-Warcraft-WOW-Playmat-Icecrown-Elements-Ancients-World-Breaker-Tides-/274627514841

Other versions:
 * http://wow.blizzgame.ru/assets/Warcraft-Gallery/War-of-Elemental-by-Zoltan-Boros-and-Gabor-Szikszai.jpg (photo of a poster version with the whole image and without text, but different art without glow around Ragnaros)
 * https://s.ecrater.com/stores/38118/4dd19b811e5ed_38118b.jpg (photo of a poster version)
 * https://graph.baidu.com/thumb/v4/3427481530,2874453677.jpg (partial image that's not a photo)