Between encounters, you can decide which way to steer your train, allowing you to take the path with the best bonuses for your strategy
One prevents Graveyard dumping, one punishes an opponent for Summoning too many monsters, and the third provides a reprieve if an opponent sets up a monstrously large field on their first turn
Playing it out at sorcery speed gives the table a full cycle to kill you or disrupt your position, after all, not to mention an extra card to help do so
While this does prevent you from being able to sacrifice the creatures you steal and get rid of them permanently, the card advantage Edea provides make sacrifice outlets well worth running
by discarding your hand and drawing seven new cards, it offers a fresh array of options, making it a great choice in moments when resources run low