Opponent unable to summon Salamangreat Balynx

  1. [color=#3AADE4]Bug description[/color]
    [Describe what the bug is in your own words.]
    My opponent said he was unable to summon Salamangreat Balynx for some reason, there was also an error screen before the field loaded in.

  2. [color=#3AADE4]Bug reproduction steps[/color]

    [Write the exact steps to reproduce the bug. Provide a replay code if you can. You can attach replay codes, or use a pastebin link or you can even use a spoiler tag using]

  3. [color=#3AADE4]Screenshot OR error code[/color]

4. [color=#3AADE4]Expected behavior[/color]
[Tell us what should have happened when the bug occurred.]