In comparison to Trinity BS it is garbage plain and simple.
On its own I would consider it a mediocre card that you would only include in your deck as a two of since it’s three Mana or it’s the only card draw you have that you can put into a Vet deck
Edit: didn’t read the whole post, thought I was one wanting opinions on Divine Spark, problem with DS dealing two damage to an enemy minion (assuming it’s enemy target only) is that you need to a have a target for the card to work which makes it situational. Also with the added effect of dealing two damage to a target AND drawing two cards makes it a little like Trinity Oath, which of course does too much for its cost.
Honestly if they turned Divine Spark into some kind of heal spell or buff spell and kept the cost it might see more play, I have no idea personally.
