How to set the title and text property of a kivymd MDCard class

Question

I'm trying to change the text of an MDCard class in a for loop by creating various instances of the card in the for loop but I cant seem to manipulate the title and text properties of the MDCard class in the for loop, what might I be doing wrong?

Thank you in advance

---

from kivy.properties import StringProperty
from kivymd.app import MDApp
from kivymd.uix.floatlayout import MDFloatLayout
from kivymd.uix.card import MDCard
from kivymd.uix.label import MDLabel
from kivy.lang import Builder
from kivy.core.window import Window

Window.size = 360, 640


class Layout_(MDFloatLayout):
    pass


kv = '''
#:import utils kivy.utils
#:import gch kivy.utils.get_color_from_hex

MDFloatLayout:
    md_bg_color:  0, .6, 1, .5
    ScrollView:
        size: self.size
        GridLayout:
            id: card_container
            size_hint_y: None
            height: self.minimum_height
            width: self.minimum_width
            cols: 1
            spacing: "20dp"
            padding: "20dp"

            
'''


class MyCard(MDCard):
    def __init__(self, title, text, **kwargs):
        super(MyCard, self).__init__(**kwargs)
        self.title = title
        self.text = StringProperty()
        self.padding = "8dp"
        self.elevation = 40
        self.size_hint = (1, None)
        self.border_radius = 20
        self.radius = [15]
        self.orientation = "vertical"


class MainTest(MDApp):
    def build(self):
        self.theme_cls.primary_palette = "Blue"
        return Builder.load_string(kv)

    def on_start(self):
        container = self.root.ids.card_container
        for card in range(10):
            container.add_widget(MyCard(title="My Card", text="Something about the card"))


if __name__ == '__main__':
    MainTest().run()