diff --git a/mtg.py b/mtg.py
index 77dad2b..be8bb2f 100644
--- a/mtg.py
+++ b/mtg.py
@@ -26,6 +26,8 @@ class Mana:
             self.mana = result.mana
     def __add__(self, other):
         result = Mana()
+        if isinstance(other, unicode):
+            other = str(other)
         if isinstance(other, str):
             for m in [c for c in other.upper() if c in Mana.types.keys()]:
                 result.mana[m] = result.mana[m] + 1
@@ -77,6 +79,8 @@ class ManaCost:
             self.snow = result.snow
     def __add__(self, other):
         result = ManaCost()
+        if isinstance(other, unicode):
+            other = str(other)
         if isinstance(other, str):
             symbols = []
             hybrid = re.findall(ManaCost.hybridPattern, other)