Special characters
From MTG Wiki
To insert a special character into an article in Content Station Multi-Channel Text Editor, position the cursor where the character goes and click the mouse.
Without clicking into another component, click the "Characters" button. A new panel will open with a selection of special characters. Click to add a character, but note that the panel will stay open until manually closed (with either the "Close" button or the X in the upper right corner) and may obscure the freshly added characters.