Magic The Gathering Cards of types 'Sphinx' and 'Detective'

Flying When this creature enters, you may search your graveyard, hand and/or library for a card named Magnifying Glass and/or a card named Thinking Cap and put them onto the battlefield. If you search your library this way, shuffle.

Flying Whenever one or more creatures you control deal combat damage to a player, investigate. {1}, Sacrifice a Clue: Seek an instant or sorcery card.

Flying You may collect evidence 10 rather than pay the mana cost for spells you cast. (To collect evidence 10, exile cards with total mana value 10 or greater from your graveyard.)