Hesper, of All Realms

When Hesper enters, create Swift, a 1/1 legendary colorless Construct artifact creature token with flying and "At the beginning of your upkeep, surveil 1.

Whenever you play a card from your graveyard or from exile, exile the top card of your library. You may play that card this turn.

"The only way of getting somewhere is to leave something behind." -Tuggnauashog to Hesper