Why doesn't "Radiant Scorching ray" look like Divine beam?

When my friend told me "hey you know there is a "holy" scorching ray MTX ?

i imediatly thought of Divine Beam from innocence "i am the torch"
https://youtu.be/VdiuPc9N_7Y?t=2m20s

but instead the video only show a ... orange/yellow to full yellow with a bit of light orange at the tips of the flames ...

i was kind of disapointed .

i dont know when this MTX was done but can i (we) hope for a reworked version?

(sorry if this was asked before i searched for "radiant Scorching ray" but found nothing on that regard