The Summoner Showcase, formally known as the Summoner Spotlight, was a series on League of Legends which displays the many talents from the players of the LoL community.
As of Issue #9, the Summoner Spotlight was called the Summoner Showcase.
From the 19th showcase and so on, it included a video which was presented by Nikasaur and can be found on their YouTube channel.
You also could have submitted an entry to their email to have a chance on appearing on their next Summoner Showcase.
List of Summoner Showcases
Summoner_Showcase@RiotGames.com Summoner Showcase Email
- Summoner Showcase Playlist at YouTube.com