Mirret, Recorder of Secrets

{1}: Choose an opponent other than Mirret, Recorder of Secrets' owner and name a card he
or she doesn't have revealed. That player reveals three cards at random from his or her hand, they remain revealed until they change zones. For each named card revealed this way,
you gain 2 life and draw a card. Activate this ability only during your upkeep and only once each turn. Any player may activate this ability.
"Really? Let's find out."