Eternal Pyramid

Eternal Pyramid comes into play tapped.
{t}: Add {c}.
All lands you control gain the Desert type.
{2}: Planeshift (Red King's Tor): (Exchange this
card with a card you own with the same Planeshift
from outside the game or Exile.)
"Once the heart of a desert nation, eons change the
land yet it remains dry and little weathered."