Baal, Lord of Destruction

Hoarfrost -- whenever a creature your opponent controls becomes tapped it doesn't untap during their next upkeep.
{2}{u}{u}{t}: tap half of your opponens lands. this card doesn't untap during your turn after this effect takes place.
{6}{u}{b}: create a non-legendary copy of this card, (only one of these copys may be on the battlefield at one time.)
"Baal was the most brash and reckless of the Prime Evils."-Deckard Cain