{T}: Add {C}.
{1}, {T}: Add one mana of any color.
{4}, {T}: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")
The Thran's machines were not dead after all, merely dormant . . . and waiting.
Artist(s): Christian Dimitrov