activity_circular_cards_scene1.xml

<?xml version="1.0" encoding="utf-8"?>
<MotionScene xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    ...
  
    <ConstraintSet android:id="@+id/start">

        <Constraint android:id="@+id/cardCenter">
            <Layout
                android:layout_width="318dp"
                android:layout_height="202dp"
                app:layout_constraintCircle="@+id/guide"
                app:layout_constraintCircleAngle="0"
                app:layout_constraintCircleRadius="290dp" />
            <Transform
                android:elevation="5dp"
                android:rotation="90" />
        </Constraint>
    </ConstraintSet>
    ...
</MotionScene>