yana, the burrowing scourge

as an additional cost to cast this spell, sacrifice a
land
{g}{b}, sacrifice a basic land: yana, the burrowing scourge gets islandwalk if it was an island,
forestwalk if it was a forest, mountainwalk if it was
a mountain, plainswalk if it was a plains,
swampwalk if it was a swamp, and wastewalk if it
was a waste