Yetsuru, Hand of Shadow

Haste, Double Strike, Vigilance
{1}{b} - Yetsuru gains +1/+1 until end of turn
{1}{b}{b} - Yetsuru gains +2/+2 until end of turn
{b}{b}{b}{b} - Yetsuru gains +2/+2 and Deathtouch until end of turn
"You will be molded into the perfect version of yourself, how easy the process is, is up to you."