Whenever you cast an instant or sorcery spell, you may draw a card. If you do, discard a card. This ability triggers only once each turn.
0 /
5
{2}{U}{B}
Ancient Excavation
Instant
Draw cards equal to the number of cards in your hand, then discard a card for each card drawn this way.
Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
{2}{U}
Artificer's Epiphany
Instant
Draw two cards. If you control no artifacts, discard a card.
{2}{B}
Bog Witch
Creature - Human Spellshaper
{B}, {T}, Discard a card: Add {B}{B}{B}.
1 /
1
{X}{U}
Breakthrough
Sorcery
Draw four cards, then choose X cards in your hand and discard the rest.
{1}{B}
Cabal Ritual
Instant
Add {B}{B}{B}.
Threshold -- Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.
{U}
Careful Study
Sorcery
Draw two cards, then discard two cards.
{2}{U}
Catalog
Instant
Draw two cards, then discard a card.
{1}{U}
Chart a Course
Sorcery
Draw two cards. Then discard a card unless you attacked this turn.
{2}{U}
Compulsive Research
Sorcery
Target player draws three cards. Then that player discards two cards unless they discard a land card.
{1}{U}{B}
Consult the Necrosages
Sorcery
Choose one --
• Target player draws two cards.
• Target player discards two cards.
{2}{B}
Dark Deal
Sorcery
Each player discards all the cards in their hand, then draws that many cards minus one.
{1}{U}{B}
Dihada's Ploy
Instant
Draw two cards, then discard a card. You gain life equal to the number of cards you've discarded this turn.
Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)
{1}{U}
Dreamscape Artist
Creature - Human Spellshaper
{2}{U}, {T}, Discard a card, Sacrifice a land: Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.
1 /
1
{2}{B}
Faerie Tauntings
Tribal Enchantment - Faerie
Whenever you cast a spell during an opponent's turn, you may have each opponent lose 1 life.
{2}{U}
Flux
Sorcery
Each player discards any number of cards, then draws that many cards.
Draw a card.
{U}{U}
Forget
Sorcery
Target player discards two cards, then draws as many cards as they discarded this way.
{2}{U}
Frantic Search
Instant
Draw two cards, then discard two cards. Untap up to three lands.
{2}{U}
Ghastly Discovery
Sorcery
Draw two cards, then discard a card.
Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it.)
{4}{B}
Gravebreaker Lamia
Enchantment Creature - Snake Lamia
Lifelink
When Gravebreaker Lamia enters the battlefield, search your library for a card, put it into your graveyard, then shuffle.
Spells you cast from your graveyard cost {1} less to cast.
4 /
4
{5}{U}
Hive Mind
Enchantment
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.
{U}{U}
Ideas Unbound
Sorcery - Arcane
Draw three cards. Discard three cards at the beginning of the next end step.
{3}{B}
Insidious Dreams
Instant
As an additional cost to cast this spell, discard X cards.
Search your library for X cards, then shuffle and put those cards on top in any order.
{4}{B}{B}
Lord of the Forsaken
Creature - Demon
Flying, trample
{B}, Sacrifice another creature: Target player mills three cards.
Pay 1 life: Add {C}. Spend this mana only to cast a spell from your graveyard.
6 /
6
{3}{B}{B}
Necrologia
Instant
Cast this spell only during your end step.
As an additional cost to cast this spell, pay X life.
Draw X cards.
{3}{U}{B}
Oskar, Rubbish Reclaimer
Legendary Creature - Human Wizard
This spell costs {1} less to cast for each different mana value among cards in your graveyard.
Whenever you discard a nonland card, you may cast it from your graveyard.
3 /
3
{5}{B}{B}
Phantasmagorian
Creature - Horror
When you cast this spell, any player may discard three cards. If a player does, counter Phantasmagorian.
Discard three cards: Return Phantasmagorian from your graveyard to your hand.
6 /
6
{2}{U}
Probe
Sorcery
Kicker {1}{B} (You may pay an additional {1}{B} as you cast this spell.)
Draw three cards, then discard two cards. If this spell was kicked, target player discards two cards.
{1}{U}{U}
Pulse of the Grid
Instant
Draw two cards, then discard a card. Then if an opponent has more cards in hand than you, return Pulse of the Grid to its owner's hand.
{B}
Restless Dreams
Sorcery
As an additional cost to cast this spell, discard X cards.
Return X target creature cards from your graveyard to your hand.
{3}{U}{U}
River Kelpie
Creature - Beast
Whenever River Kelpie or another permanent enters the battlefield from a graveyard, draw a card.
Whenever a player casts a spell from a graveyard, draw a card.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
3 /
3
{1}{U}{B}{B}
Rona, Sheoldred's Faithful
Legendary Creature - Human Wizard
Whenever you cast an instant or sorcery spell, each opponent loses 1 life.
You may cast Rona, Sheoldred's Faithful from your graveyard by discarding two cards in addition to paying its other costs.
3 /
4
{2}{U}
Secrets of the Dead
Enchantment
Whenever you cast a spell from your graveyard, draw a card.
{1}{U}{U}
Sift Through Sands
Instant - Arcane
Draw two cards, then discard a card.
If you've cast a spell named Peer Through Depths and a spell named Reach Through Mists this turn, you may search your library for a card named The Unspeakable, put it onto the battlefield, then shuffle.
{4}{B}
Skirge Familiar
Creature - Phyrexian Imp
Flying
Discard a card: Add {B}.
3 /
2
{1}{U}
Snap
Instant
Return target creature to its owner's hand. Untap up to two lands.
{2}{U}
Stern Lesson
Instant
Draw two cards, then discard a card. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")
{6}{U}
Swarm Intelligence
Enchantment
Whenever you cast an instant or sorcery spell, you may copy that spell. You may choose new targets for the copy.
{U}{B}
Tainted Indulgence
Instant
Draw two cards. Then discard a card unless there are five or more mana values among cards in your graveyard.
{4}{U}
The Mirari Conjecture
Enchantment - Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I -- Return target instant card from your graveyard to your hand.
II -- Return target sorcery card from your graveyard to your hand.
III -- Until end of turn, whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy.
{2}{U}
Thirst for Discovery
Instant
Draw three cards. Then discard two cards unless you discard a basic land card.
{2}{U}
Thirst for Knowledge
Instant
Draw three cards. Then discard two cards unless you discard an artifact card.
{2}{U}
Thirst for Meaning
Instant
Draw three cards. Then discard two cards unless you discard an enchantment card.
{1}{U}
Tolarian Winds
Instant
Discard all the cards in your hand, then draw that many cards.
{1}{B}{B}
Toshiro Umezawa
Legendary Creature - Human Samurai
Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
Whenever a creature an opponent controls dies, you may cast target instant card from your graveyard. If that spell would be put into a graveyard, exile it instead.
2 /
2
{2}{U}
Tragic Lesson
Instant
Draw two cards. Then discard a card unless you return a land you control to its owner's hand.
{U}{U}
Turbulent Dreams
Sorcery
As an additional cost to cast this spell, discard X cards.
Return X target nonland permanents to their owners' hands.
{2}{U}{B}
Whispering Madness
Sorcery
Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)
{2}{U}
Windfall
Sorcery
Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.
{2}{U}
Wistful Thinking
Sorcery
Target player draws two cards, then discards four cards.
{1}{U}{U}
You Find the Villains' Lair
Instant
Choose one --
• Foil Their Scheme -- Counter target spell.
• Learn Their Secrets -- Draw two cards, then discard two cards.
{1}{B}
Brain Pry
Sorcery
Choose a nonland card name. Target player reveals their hand. That player discards a card with that name. If they can't, you draw a card.
{3}{U}{U}
Dream Halls
Enchantment
Rather than pay the mana cost for a spell, its controller may discard a card that shares a color with that spell.
{2}{U}
Inspired Idea
Sorcery
Cleave {3}{U}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)
Draw three cards. [Your maximum hand size is reduced by three for the rest of the game.]
{3}{U}{U}
Lier, Disciple of the Drowned
Legendary Creature - Human Wizard
Spells can't be countered.
Each instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card's mana cost.
3 /
4
{4}{B}{B}
Null Profusion
Enchantment
Skip your draw step.
Whenever you play a card, draw a card.
Your maximum hand size is two.
{X}{U}
Occult Epiphany
Instant
Draw X cards, then discard X cards. Create a 1/1 white Spirit creature token with flying for each card type among cards discarded this way.
{4}{B}{B}
Professor Onyx
Legendary Planeswalker - Liliana
Magecraft -- Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life.
+1: You lose 1 life. Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.
-3: Each opponent sacrifices a creature with the greatest power among creatures that player controls.
-8: Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.
L:
5
{1}{U}
Recalibrate
Instant
Return target creature to its owner's hand. If you've discarded a card this turn, draw a card.
{1}{B}
Shadow of the Grave
Instant
Return to your hand all cards in your graveyard that you cycled or discarded this turn.
{2}{B}
Unhinge
Sorcery
Target player discards a card.
Draw a card.
{1}{B}
Zombie Infestation
Enchantment
Discard two cards: Create a 2/2 black Zombie creature token.