In some way the event apart from all the bugs is not bad. how u mention about the stats that you get if u have the four contracts. another thing that plp are not seeing.. if u consumes 2 Legendary transformations via combination. u will get at the end of the event a box that might contain a ult contract or a select legendary apostole/pixel. For me thats the best part, I have 1 repeated legendary, in 2 weeks I hope to get another. When i get the box if i dont get the ult contract I can pick an apostole, I will go for Zikel, thats the best or one of the best legendary.
another thing if u combine 12 ancient u will get a legendary at the end of the event, Apart from the collection effect if u have the 4 pixel legendary contracts..