You may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost. If that spell would be put into their graveyard, exile it instead. Cipher
Look at the top four cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. Flashback {3}{U}{R}
Search the Room — {5}{U}: Roll a d20. 1—9 | Draw a card. 10—20 | Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.
Prototype {1}{U}{U} — 2/1 When this creature enters, if you cast it, exile target instant or sorcery card with mana value less than or equal to this creature's power from your graveyard. Copy that card. You may cast the copy without paying its mana cost.
Before you shuffle your deck to start the game, you may reveal this card from your deck and exile an instant or sorcery card you drafted that isn't in your deck. When this creature enters, copy a card you exiled with cards named Arcane Savant. You may cast the copy without paying its mana cost.
Flying When this creature enters, look at the top four cards of your library. You may reveal an artifact or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Equipped creature has flying. Equip {2} Equipment swap {2}{W}({2}{W}: Exchange this Equipment with an Equipment card in your hand. If this Equipment was attached to a creature, attach the new Equipment to that creature.)