Boggart

{u}, discard a card: Boggart becomes a copy of
target creature on the battlefield but it's
toughness is still 1.
{b}, discard a card: Boggart becomes a copy of
target creature in a graveyard but it's toughness
is still 1.
"P-P-Professor McGonagall! Sh-she said I'd failed everything!" -Hermione Granger after confronting a boggart.