Characters or Locations arent exerted when moved, but Characters can only move between Locations - not back to the plain battlefield or onto the same location simply by paying the cost, again
You find them for the recent set like a bundle of Edge of Eternities at big box stores and at a nice price point
Earthbending turns lands into creatures with +1/+1 counters
Auras like Aqueous Form or Spirit Mantle for example
Neither of these are the fastest of engines, but being able to just throw around an endless number of Shocks over time can be mighty powerful
In D&D, metallic dragons (bronze, copper, brass) are in opposition to chromatic dragons (red, blue, green, etc.), chromatic being the typical evil, sometimes cruel and selfish dragons while the metallic dragons are mostly altruistic and righteous creatures