Granny Goodness, Loyal Hound

Menace
When Granny Goodness, Loyal Hound enters the battlefield, put into play a 2/2 black Mercy
creature token.
{b}, {t}: Sacrifice a Mercy token. If you do, flip
Granny Goodness, Loyal Hound.
"It was her death or mine!" —
Granny Goodness after killing Mercy