Crumbling Undead

Crumbling Undead enters the battlefield tapped.
{1}{w}, {t}, Sacrifice Crumbling Undead: Return target creature card from your graveyard to the battlefield.
{2}{u}, {t}, Sacrifice Crumbling Undead: Return target artifact card from your graveyard to the battlefield.
There is an elegance to the cycle of life and death.