Agonizing Remorse

The classic two-mana discard spells could only pry a card loose while it was still in hand, and for most of the game's history that was the whole battlefield of black's proactive disruption. This design widens the aim: half a decade of value cards now live in the graveyard, waiting on flashback, escape, delve, or reanimation, and a discard spell that cannot touch that zone answers a threat that has already resolved once. Splitting the effect across hand and yard folds two jobs into one slot that black used to fill separately: proactive hand disruption when the game is young, graveyard hate when it is not. The exile clause is what makes both halves stick, since a card pulled from the yard does not come back to be re-cast and a card taken from hand never gets to feed a later recursion plan. The zone asymmetry is deliberate: from hand you are held to nonland cards, but from the graveyard anything is fair game, including a spent fetchland propping up a landfall or a basic feeding a recursion loop. The one life is the color's standard tax for information plus removal in a single line. It is not strictly better than its predecessors (Duress costs a mana less, Thoughtseize hits harder in hand and takes the life earlier), but its reach into the graveyard is the durable idea, the answer to a threat that has already cast rather than one still waiting to be.