Knight of Once and Future

When this creature enters, you may search your library and/or graveyard for a card named Sword of Once and Future, reveal it, and put it into your hand. If you search your library this way, shuffle it.

Equip abilities of Sword of Once and Future that target this creature cost {2} less to activate.

Whenever an instant or sorcery you cast is put into exile, put another target face-up instant or sorcery you own from exile into your graveyard.