Skarrg Raider

When Skarrg Raider enters the battlefield or
leaves the battlefeild, sacrifice land cards
equal Skarrg Raiders toughness, and search
your library for a number of basic land cards
equal to Skarrg Raiders power, and put them
onto the battlefield tapped. Those lands
don't untapped during your next untap step.
Eternalize {2}{r}{g}