name: Burrowing
originalText: Enchanted creature gains mountainwalk. (It's unblockable if defending player controls a mountain.)
printings: 2ED, 30A, 3ED, 4BB, 4ED, 6ED, CED, CEI, FBB, LEA, LEB, SUM
text: Enchant creature
  Enchanted creature has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)
type: Enchantment — Aura