Maybe there's some variety of Cree that mixes and matches from the two orthographies?
it's western cree
When I put up the picture on a Facebook Cree language group, someone said the ‹ši› syllabogram (the ʃ-like shape) was "not Cree". It was confusing to people because the contrast between /ʃ/ and /s/ exists only in the Cree dialects southwest of James Bay in North Ontario (Swampy Cree) and southern Quebec. To the east, the two sounds merge into a single phoneme, /s/, /ʃ/ or /h/, depending on dialect (with positional allophony in the Montagnais/Innu/Ilnu dialects of eastern Quebec and Labrador), and to /s/ in northwestern Ontario and all dialects further west.
So since it has this contrastive /ʃ/ phoneme, it can't be western Cree.