Necrotic technomancer

{p/g}{t}-search your library for a basic land and put it on the battlefield tapped
{x}{p/u}{t}-send X number of artifacts or creatures to the graveyard
{1}{p/r}{t}-return target artifact the the battlefield tapped
{1}{p/w}{t}{dash}return target creature from graveyard to the battlefield tapped
{dash}this long dead artificer has returned under the control of phyrexian magic