Brainstorm

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

Thought Scour

Target player mills two cards.
Draw a card.

Dispel

Insectile Aberration

Delver of Secrets

At the beginning of your upkeep, look at the top card of your library. You may reveal that card. If an instant or sorcery card is revealed this way, transform this creature.

Delver of Secrets // Insectile Aberration

Glacial Floodplain

({T}: Add {W} or {U}.)
This land enters tapped.

Island

Dispeller's Capsule

{2}{W}, {T}, Sacrifice this artifact: Destroy target artifact or enchantment.

Gremlin Mine

{1}, {T}, Sacrifice this artifact: It deals 4 damage to target artifact creature.
{1}, {T}, Sacrifice this artifact: Remove up to four charge counters from target noncreature artifact.

Deem Inferior

This spell costs {1} less to cast for each card you've drawn this turn.
The owner of target nonland permanent puts it into their library second from the top or on the bottom.

Plains

Careful Study

Surgical Skullbomb

{1}, Sacrifice this artifact: Draw a card.
{2}{U}, Sacrifice this artifact: Return target creature to its owner's hand. Draw a card. Activate only as a sorcery.

Bear Trap

Flash
{3}, {T}, Sacrifice this artifact: It deals 3 damage to target creature.

Annul

Counter target artifact or enchantment spell.

Mental Note

Otherworldly Gaze

Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Lórien Revealed

Draw three cards.
Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Jolted Awake

Choose up to one target artifact or creature card in your graveyard. You get {E}{E} (two energy counters). Then you may pay an amount of {E} equal to that card's mana value. If you do, return it from your graveyard to the battlefield.
Cycling {2} ({2}, Discard this card: Draw a card.)

Moonglove Extract

Sacrifice this artifact: It deals 2 damage to any target.

Bayou Groff

As an additional cost to cast this spell, sacrifice a creature or pay {3}.

Seat of the Synod

Aether Spellbomb

{U}, Sacrifice this artifact: Return target creature to its owner's hand.
{1}, Sacrifice this artifact: Draw a card.

Ancient Den

Counterspell

Spell Pierce

Counter target noncreature spell unless its controller pays {2}.

Skittering Skirge

Flying
When you cast a creature spell, sacrifice this creature.

Recommission

Return target artifact or creature card with mana value 3 or less from your graveyard to the battlefield. If a creature enters this way, it enters with an additional +1/+1 counter on it.