Scrounge for Eternity
Sorcery
Oracle Text
As an additional cost to cast this spell, sacrifice an artifact or creature.
Return target creature or Spacecraft card with mana value 5 or less from your graveyard to the battlefield. Then create a Lander token. (It's an artifact with ", 
, Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")
in its mana cost, X is 0 for the purpose of determining its mana value.