I worked a few years for a competitor of ironSource, the company that provides the videos for Top Eleven, to the best of my knowledge all you can configure from the client side of things is what the player gets and how long the video ads are. You can't create mashup ads, you have no control of the ad pool, besides target audiences, themes, etc. It's pretty much like Google Ads. Of course Nordeus could say give these users 50 Packs for watching a 10 minute video ad. Yeah, there are a few in the ad pool, enough for 10000 users or so... of all games using that ad platform