Zed, The Master of Shadows

When Zed enters the battlefield, create a 3/1
Living Shadow Token
If Zed is the target of a spell or ability, a Living
Shadow may take his place
{4}{g}{b}: Living Shadow: Create a 3/1 Living
Shadow Token
{5}{b}{b}{t} Death Mark: Sacrifice all Living Shadows
to deal damage equal to their combined power to target creature or planes walker