Draw three cards, then put two cards from your hand on top of your library in any order.

Avoidance — Whenever you cast a noncreature spell, exile up to one target nonland permanent you control, then return that card to the battlefield under its owner's control.

You may look at the top card of your library any time. Once each turn, you may cast an instant or sorcery spell from the top of your library. (You still pay its costs. Timing rules still apply.)

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. Once during each of your turns, you may cast a spell from your hand or the top of your library without paying its mana cost.

Search your library for a sorcery card, reveal it, then shuffle and put that card on top.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

You may look at the top card of your library any time. You may cast instant and sorcery spells from the top of your library. {3}: Exile the top card of your library.

{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.