Lord Orfea, the Feral

Menace Vigilance

{1}{p/b} Destroy target planeswalker.
At the beginning of your upkeep sacrifice a creature you control, Lord Orfea, the Feral gets +1/+1 until end of term.
Whenever Lord Orfea, the Feral becomes blocked, each blocking creature
gets -2/-2 until end of turn.