The Eye of Sauron

Every opponent must reveal their hands to
you whenever you wish.
{c}{c}{c}{10} You take control of all non-land permanents until the beginning of your next turn
They are all untapped and gain Haste until the beginning of your next turn. You gain Hexproof
until the beginning of your next turn. You can't
lose the game until the beginning of your next
turn. You must pay 10 life to activate this ability
after the first time, in addition to its mana cost.