Umezawa's Corpse

Umezawa's Corpse can't attack or block.
{1}{b}, {t}: Choose one —
• Target creature gets +2/+2 until end of turn.
• Target creature gets -1/-1 until end of turn.
• You gain 2 life.
"You aren't looking so good these days, Toshi."
—Myojin of Night's Reach