Deliberate

Dreams of Laguna

Surveil 1, then draw a card. (To surveil 1, look at the top card of your library. You may put it into your graveyard.)
Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Thirst for Discovery

Draw three cards. Then discard two cards unless you discard a basic land card.

Keep Watch

Frantic Search

Draw two cards, then discard two cards. Untap up to three lands.

Clairvoyance

Look at target player's hand.
Draw a card at the beginning of the next turn's upkeep.

Quick Study

Brainstorm

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

Hithlain Knots

Tap target creature. Scry 1.
Draw a card.

Three Steps Ahead

Spree (Choose one or more additional costs.)
+ {1}{U} — Counter target spell.
+ {3} — Create a token that's a copy of target artifact or creature you control.
+ {2} — Draw two cards, then discard a card.