Tormenting Lethargist

Tormenting Lethargist doesn't untap during its
controller's untap step.
While Tormenting Lethargist is untapped, other
creatures don't untap during their controller's
untap step.
{x}{u}{b}, {t}: Each player puts the top X cards of
their library into their graveyard, then discards
their hand and draws X cards. X can't be 0.