I'm afraid that I'm late to the party (for what looks like an awesome game) so I apologize if this has already been asked and answered. Is there a difference between spells and abilities? Everything I've read seems to lump them together but intuitively it seems wrong for something like Fan of Knives to receive a bonus from one of the many cards that provide +spellpower, or for Mana Addict's text to trigger from a Backstab. If there is a difference between the two, is there an easy way to tell which cards qualify as a spell and which as an ability?
On a side note, I've read that Knife Juggler's text is being changed to trigger whenever a minion is summoned. Does that mean Knife Juggler will do 2 damage on cards that have a Battlecry that summons another minion (i.e. Murloc Tidehunter)? Thanks for any clarification.