Twin Growths

During your turn, you may tap your opponent's
lands to add mana of any color that land could
produce to your mana pool.
During your turn your opponents can't
activate mana abilities of lands they control.
Chaos 1 — At the beginning of your end
step, put a chaos counter on this permanent,
then, if it has 1 or more chaos couters on it,
sacifice it.