name: Conversion
originalText: All mountains are considered plains while Conversion is in play. Pay o\nWo\nW during upkeep or Conversion is discarded.
printings: 2ED, 30A, 3ED, 4BB, 4ED, CED, CEI, FBB, LEA, LEB, ME4, SUM
text: At the beginning of your upkeep, sacrifice Conversion unless you pay {W}{W}.\nAll Mountains are Plains.