Lady of Blackmoor

{1}{b}, Sacrifice a creature: Lady of Blackmoor
becomes a Human Werewolf with base power
and toughness 3/4 and gains Menace.
{2}{b}, Sacrifice three creatures: If Lady of
Blackmoor is a Human Werewolf, it becomes
a legendary creature named the Beast of
Blackmoor, has base power and toughness
5/6, and gains "Whenever this creature deals
damage to a player, draw a card.".