Kardur's Shadow

Menace, reach
{b}: Kardur's Shadow gains shadow until end of
turn.
{x}, {t}: Target player loses X life, then target
creature that player controls gets -X/-X until end
of turn. You may return target creature card with
mana cost X or less from your graveyard to the battlefield, it gains haste and shadow until end of
turn (This creature can block or be blocked by only creatures with shadow).