Board Thread:My Singing Monsters: Dawn of Fire Forum/@comment-38259617-20190329024208/@comment-31797469-20190410165715

User:Pocketworldclub mentioned the DoF Trailer, here is a screencaption of the relevant scene:

(full video here)

this implies:, , (T-Rox) and  (Kayna)

While of course they don't spell it out to be elements of Incisaur, it seems very, very likely given the timing.