Fate Grand Order: Servants from the Omniverse

The Nasuverse sensed a foreboding event that will happen to Chaldea; especially the Humanity's Last Master. So Nasu send and asked help from the other Thrones of the Omniverse. The first one to to take the call was the Throne of Cards. A certain King of Games, instead of him, sends someone else in his place to aid the Last Master. It's time to Duel!