Chandra, the Dousing Flame

At the beginning of each player's upkeep, that player exiles the top card of their library. They may play that card this turn.
All spells cost {2} less to cast.
Whenever a player casts a spell, Chandra, the Dousing Flame deals damage to that player equal to that spell's converted mana cost.
"I am not bright, I am burning."