
Sorcery
Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

One-mana blue cantrip with top-deck manipulation, near-identical role.

One-mana draw three, top-deck setup; staple blue cantrip.

One-mana instant scry 1 plus draw, cheaper smoothing.

One-mana draw plus scry 2, very similar to Preordain.

One-mana selective card draw, library filtering.

Scry 3 with buyback, repeatable top-deck control.

One-mana arranges top five cards for deck setup.

One-mana surveil 1 then draw, cantrip with graveyard synergy.