The union with Russia gave Magnus also the possibility to become at least officially the most influential body of Russia-Livonia, at the same time it violated the relations with other parties.
Liit Venemaaga andis Magnusele ka võimaluse tõusta vähemalt ametlikult Vene-Liivimaa mõjukaimaks tegelaseks, samas aga rikkus see suhted teiste osapooltega.