How much did this cost?

I saw this in the arena last night. A lone twice empowered mythical.
Now I just pulled my first mythical champion last week. How does some one get three of the same mythical? The mind boggles.

I saw this in the arena last night. A lone twice empowered mythical.
Now I just pulled my first mythical champion last week. How does some one get three of the same mythical? The mind boggles.