Sunrithian Clock

{t}{x}, Scry X, then add 1 mana of any color.
Whenever you scry put a hour counter on
Sunrithian Clock.
Once Sunrithian Clock has 10 hour counters
on it sacrifice it, then destroy all lands. You
may search your library for a artifact and
put it on the battlefield tapped.
"It foretold doom long before the plans were made."