The One Ring, Used For Good

When The One Ring enters the battlefield choose
a color. Permanents you control have Hexproof
from the chosen color and cannot be damaged by sources of the chosen color.
At the beginning of each players end step you
lose 1 life for each creature that player controls of
the chosen color.
{6}{t} Exile The One Ring then return it to the battlefield under its owner control. Activate only
any time you could cast a Sorcery.