Stratospheric Bridgetower

All Basic Lands you control are artifacts
in addition to their other types.
Each time you tap an Artifact Land, gain {e}.
{t},{e}{e}{e}:Electro-Chemical intertwining.(Until
end of turn, artifact lands you control tap for one
additional mana of any color you control.
Cast only as a scorcery.)
" The people of Laputa refined crystal ethyrium and
learned to float their garden cities in the high clouds, providing centuries of superiority & flourishing."