Compulsive Research

Target player draws three cards. Then that player discards two cards unless they discard a land card.

Counterspell

Memory Lapse

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Mind's Desire

Shuffle your library. Then exile the top card of your library. Until end of turn, you may play that card without paying its mana cost.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Negate

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

Day of Judgment

Strategic Planning

Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

Tezzeret's Gambit

({U/P} can be paid with either {U} or 2 life.)
Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Time Warp

Target player takes an extra turn after this one.

Whirlwind Denial

For each spell and ability your opponents control, counter it unless its controller pays {4}.

Agonizing Remorse

Target opponent reveals their hand. You choose a nonland card from it or a card from their graveyard. Exile that card. You lose 1 life.

Crux of Fate

Choose one —
• Destroy all Dragon creatures.
• Destroy all non-Dragon creatures.

Dark Ritual

Demonic Tutor

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

Strixhaven Mystical Archive