{2}, {T}, Sacrifice Darkwater Egg: Add {U}{B}. Draw a card.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. You gain 2 life.

{3}, {T}, Sacrifice Gem of Becoming: Search your library for an Island card, a Swamp card, and a Mountain card. Reveal those cards, put them into your hand, then shuffle.

Draw three cards, then put a card from your hand on the bottom of your library.

As an additional cost to cast this spell, discard two cards. Draw three cards.

Flying Crackling Drake's power is equal to the total number of instant and sorcery cards you own in exile and in your graveyard. When Crackling Drake enters the battlefield, draw a card.

Draw two cards.

Electrolyze deals 2 damage divided as you choose among one or two targets. Draw a card.

Whenever you cast an instant or sorcery spell, put a charge counter on Firemind's Research. {1}{U}, Remove two charge counters from Firemind's Research: Draw a card. {1}{R}, Remove five charge counters from Firemind's Research: It deals 5 damage to any target.

Scry 1. Draw a card.

Draw a card. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Devoid (This card has no color.) Target creature can't be blocked this turn. Draw a card.

Crumbling Necropolis enters the battlefield tapped. {T}: Add {U}, {B}, or {R}.

Crumbling Vestige enters the battlefield tapped. When Crumbling Vestige enters the battlefield, add one mana of any color. {T}: Add {C}. ({C} represents colorless mana.)

When Crypt of the Eternals enters the battlefield, you gain 1 life. {T}: Add {C}. {1}, {T}: Add {U}, {B}, or {R}.

Dimir Aqueduct enters the battlefield tapped. When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand. {T}: Add {U}{B}.

{T}: Add {C}. {4}, {T}, Sacrifice Encroaching Wastes: Destroy target nonbasic land.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({T}: Add {U}.)

Izzet Boilerworks enters the battlefield tapped. When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand. {T}: Add {U}{R}.

Memorial to Genius enters the battlefield tapped. {T}: Add {U}. {4}{U}, {T}, Sacrifice Memorial to Genius: Draw two cards.

({T}: Add {R}.)

Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}. {2}{U}{R}, {T}: Exile the top card of your library. Until your next turn, you may cast it if it's an instant or sorcery spell.

Rakdos Carnarium enters the battlefield tapped. When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{R}.

Sulfur Vent enters the battlefield tapped. {T}: Add {B}. {T}, Sacrifice Sulfur Vent: Add {U}{R}.

Surtland Frostpyre enters the battlefield tapped. {T}: Add {R}. {2}{U}{U}{R}, {T}, Sacrifice Surtland Frostpyre: Scry 2. Surtland Frostpyre deals 2 damage to each creature. Activate only as a sorcery.

Create two 1/1 red Goblin creature tokens. Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Grapeshot deals 1 damage to any target. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

{U}, {T}: Add {C}{C}{C}.

{B}, {T}, Discard a card: Add {B}{B}{B}.

When Carrier Thrall dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

Devoid (This card has no color.) Target opponent exiles a card from their graveyard. You create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." Draw a card.

{T}: Add {U}. Spend this mana only to foretell a card from your hand or cast an instant or sorcery spell.

{T}: Add {U}, {B}, or {R}.

Sky Diamond enters the battlefield tapped. {T}: Add {U}.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. Veinfire Borderpost enters the battlefield tapped. {T}: Add {B} or {R}.

Counter target artifact or enchantment spell.

Choose one — • Counter target sorcery spell. • Destroy target creature with power 2 or less. • Look at the top three cards of target player's library. Put one back and the rest into that player's graveyard.

Destroy target nonblack creature.

Destroy target creature with mana value 2 or less. Cycling {2} ({2}, Discard this card: Draw a card.)

Destroy target creature or planeswalker with mana value 3 or less.

This spell costs {1} more to cast for each target beyond the first. Fireball deals X damage divided evenly, rounded down, among any number of targets.

Destroy six target creatures.

If you control a Swamp, destroy target nonblack creature. Splice onto Arcane—Exile four cards from your graveyard. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Counter target noncreature spell.

Counter target spell. Untap up to four lands.

Sulfurous Blast deals 2 damage to each creature and each player. If you cast this spell during your main phase, Sulfurous Blast deals 3 damage to each creature and each player instead.

When Augur of Bolas enters the battlefield, look at the top three cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Breath of Malfegor deals 5 damage to each opponent.

({U/R} can be paid with either {U} or {R}.) Flying Each instant and sorcery spell you cast has replicate. The replicate cost is equal to its mana cost. (When you cast it, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Whenever you cast your first spell during each opponent's turn, Dreamstalker Manticore deals 1 damage to any target.

Flash When Dualcaster Mage enters the battlefield, copy target instant or sorcery spell. You may choose new targets for the copy.

Instant and sorcery spells you cast cost {1} less to cast.

Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.

Target creature gets +X/+0 until end of turn.

When Izzet Chronarch enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

({U/R} can be paid with either {U} or {R}.) {2}{U}: Copy target instant spell you control with mana value 2 or less. You may choose new targets for the copy. {2}{R}: Copy target sorcery spell you control with mana value 2 or less. You may choose new targets for the copy.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When Jeskai Sage dies, draw a card.

Play with the top card of your library revealed. You may cast instant and sorcery spells from the top of your library. Whenever you cast an instant or sorcery spell from your library, copy it. You may choose new targets for the copy.

Defender When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

When Possessed Skaab enters the battlefield, return target instant, sorcery, or creature card from your graveyard to your hand. If Possessed Skaab would die, exile it instead.

Trample Whenever you cast an instant or sorcery spell, put a +1/+1 counter on Pyre Hound.

When Salvager of Secrets enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

When Scholar of the Ages enters the battlefield, return up to two target instant and/or sorcery cards from your graveyard to your hand.

Whenever you cast an instant or sorcery spell, you may copy that spell. You may choose new targets for the copy.

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

Target creature you control gets +1/+0 and gains deathtouch until end of turn. Whenever a creature dealt damage by that creature dies this turn, its controller loses 2 life. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)