Long-Term Plans

Search your library for a card, then shuffle and put that card third from the top.

Ponder

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

Soldevi Digger

{2}: Put the top card of your graveyard on the bottom of your library.

Brainstorm

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

River Song

Meet in Reverse — You draw cards from the bottom of your library rather than the top.
Spoilers — Whenever an opponent scries, surveils, or searches their library, put a +1/+1 counter on River Song. Then River Song deals damage to that player equal to its power.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Draw a card.

Eyes Everywhere

At the beginning of your upkeep, scry 1.
{5}{U}: Exchange control of this enchantment and target nonland permanent. Activate only as a sorcery.

Gamble

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

Hive Mind

Whenever a player casts an instant or sorcery spell, each other player copies that spell. Each of those players may choose new targets for their copy.

Eye of the Storm

Whenever a player casts an instant or sorcery card, exile it. Then that player copies each instant or sorcery card exiled with this enchantment. For each copy, the player may cast the copy without paying its mana cost.