fixed XZ-Tank Cannon

Author: Yoshi80

rush/c160219006.lua

@@ -21,7 +21,7 @@ function s.initial_effect(c)
 	e2:SetType(EFFECT_TYPE_IGNITION)
 	e2:SetRange(LOCATION_MZONE)
 	e2:SetCountLimit(1)
-	e1:SetCost(s.cost)
+	e2:SetCost(s.cost)
 	e2:SetTarget(s.target)
 	e2:SetOperation(s.operation)
 	c:RegisterEffect(e2)