Ring of Doomed Wishes

{x}, {t}: Search your library for a nonland card with converted mana cost X or less, reveal it, then add it to your hand. Put X Doom counters on Ring of Doomed Wishes.
At the beginning of your next upkeep, remove all Doom counters from Ring of Doomed Wishes.
You lose life equal to the number of counters removed this way.
True power always comes at a cost.