Isperia the Inscrutable
Legendary Creature - Sphinx | Power/Toughness: 3 / 6 (CMC 5)
Whenever Isperia the Inscrutable deals combat damage to a player, choose a card name. That player reveals their hand. If a card with the chosen name is revealed this way, search your library for a creature card with flying, reveal it, put it into your hand, then shuffle your library.