Shyvana's 1820rp skin should be Cartoon Dragon Shyvana
https://vignette3.wikia.nocookie.net/p__/images/4/43/Blue_eyes_toon_dragon_by_fireflea_san-d8nnetr.png/revision/latest?cb=20161112223032&path-prefix=protagonist
Just think about how amazing a concept this would be, people would line up to buy it