small error and type fixes

src/model/card.py

@@ -10,7 +10,7 @@ class Effect(Serializable):
     effect: CardEffects
     amount: int
     sub_effects: List["Effect"]
-    mutex: List["Effects"]
+    mutex: List["Effect"]
     effect_type: Optional[EffectType] = None
     times: Optional[EffectTimes] = None
 
@@ -21,15 +21,18 @@ class Effect(Serializable):
         sub_effects: Optional[List["Effect"]] = None,
         effect_type: Optional[EffectType] = None,
         times: Optional[EffectTimes] = None,
+        mutex: Optional[List["Effect"]] = None,
     ):
         super().__init__()
-        self.effect = effect
-        self.amount = amount
+        if mutex is None:
+            mutex = []
         if sub_effects is None:
             sub_effects = []
+        self.effect = effect
+        self.amount = amount
         self.sub_effects = sub_effects
         self.effect_type = effect_type
-        self.mutex: List["Effect"] = []
+        self.mutex = mutex
         self.times = times
 
     def serialize(self) -> dict:
@@ -49,7 +52,6 @@ class Card(Serializable):
     cost: int | None
     role: CardRole
     card_type: CardType
-    card_role: CardRole
     faction: CardFaction
     effects: List[Effect]
     defense: Optional[int]