It gives you a pile of damage to any target (most likely somebodys face), and then cast from your hand another spell with a converted mana cost less than the amount of damage
These kinds of replacement effects don't affect the turn-based action of putting a single lore counter on a Saga at the start of your first main phase
As adorable as they may be, eventually Mamas Coming. And owlbears are a special kind of scary - the wisdom of an owl combined with the ferocity of a grizzly
Hour of Revelation is very, very good
If a permanent you controlled or a token is destroyed with Break the Spell but is put into a zone other than a graveyard as a result, you will draw a card
This effect benefits both you and them, so chances are, smart players will consider their options carefully, but with Nellys goading influence in play, you're often setting the board up so that opponents have no choice but to swing and draw you cards