Cavern of Souls

As this land enters, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Great Hall of the Biblioplex

{T}: Add {C}.
{T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.
{5}: If this land isn't a creature, it becomes a 2/4 Wizard creature with "Whenever you cast an instant or sorcery spell, this creature gets +1/+0 until end of turn." It's still a land.

Island

Riverpyre Verge

{T}: Add {R}.
{T}: Add {U}. Activate only if you control an Island or a Mountain.

Spirebluff Canal

This land enters tapped unless you control two or fewer other lands.
{T}: Add {U} or {R}.

Steam Vents

({T}: Add {U} or {R}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Stormcarved Coast

This land enters tapped unless you control two or more other lands.
{T}: Add {U} or {R}.

Colorstorm Stallion

Copy

Ward {1}, haste
Opus — Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn. If five or more mana was spent to cast that spell, create a token that's a copy of this creature.

Eddymurk Crab

Flash
This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
This creature enters tapped if it's not your turn.
When this creature enters, tap up to two target creatures.

On an Adventure

Hearth Elemental // Stoke Genius

Hearth Elemental

This spell costs {X} less to cast, where X is the number of cards in your graveyard that are instant cards, sorcery cards, and/or have an Adventure.

Stoke Genius

Discard your hand, then draw two cards. (Then exile this card. You may cast the creature later from exile.)

Loki, God of Mischief

Whenever a player or permanent becomes the target of an ability you control, draw a card. This ability triggers only once each turn.

Sunderflock

This spell costs {X} less to cast, where X is the greatest mana value among Elementals you control.
Flying
When this creature enters, if you cast it, return all non-Elemental creatures to their owners' hands.

Burst Lightning

Kicker {4} (You may pay an additional {4} as you cast this spell.)
Burst Lightning deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead.

Flow State

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. If there is an instant card and a sorcery card in your graveyard, instead put two of them into your hand and the rest on the bottom of your library in any order.

Get Out

Choose one —
• Counter target creature or enchantment spell.
• Return one or two target creatures and/or enchantments you own to your hand.

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

Prismari Charm

Choose one —
• Surveil 2, then draw a card.
• Prismari Charm deals 1 damage to each of one or two targets.
• Return target nonland permanent to its owner's hand.

Sleight of Hand

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Spell Pierce

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

Three Steps Ahead

Spree (Choose one or more additional costs.)
+ {1}{U} — Counter target spell.
+ {3} — Create a token that's a copy of target artifact or creature you control.
+ {2} — Draw two cards, then discard a card.

Traumatic Critique

Traumatic Critique deals X damage to any target. Draw two cards, then discard a card.

Winternight Stories

Draw three cards. Then discard two cards unless you discard a creature card.
Harmonize {4}{U} (You may cast this card from your graveyard for its harmonize cost. You may tap a creature you control to reduce that cost by {X}, where X is its power. Then exile this spell.)

Annul

Counter target artifact or enchantment spell.

Ashling, Rekindled

Whenever this creature enters or transforms into Ashling, Rekindled, you may discard a card. If you do, draw a card.
At the beginning of your first main phase, you may pay {U}. If you do, transform Ashling.

Ashling, Rimebound

Whenever this creature transforms into Ashling, Rimebound and at the beginning of your first main phase, add two mana of any one color. Spend this mana only to cast spells with mana value 4 or greater.
At the beginning of your first main phase, you may pay {R}. If you do, transform Ashling.

Ashling, Rekindled // Ashling, Rimebound

Broadside Barrage

Broadside Barrage deals 5 damage to target creature or planeswalker. Draw a card, then discard a card.

Disdainful Stroke

Counter target spell with mana value 4 or greater.

Emeritus of Ideation

Flying, ward {2}
This creature enters prepared.
Whenever this creature attacks, you may exile eight cards from your graveyard. If you do, this creature becomes prepared.

Ancestral Recall

Emeritus of Ideation // Ancestral Recall

Ghost Vacuum

{T}: Exile target card from a graveyard.
{6}, {T}, Sacrifice this artifact: Put each creature card exiled with this artifact onto the battlefield under your control with a flying counter on it. Each of them is a 1/1 Spirit in addition to its other types. Activate only as a sorcery.

Impractical Joke

Damage can't be prevented this turn. Impractical Joke deals 3 damage to up to one target creature or planeswalker.

Ral, Crackling Wit Emblem

Ral, Crackling Wit

Otter

Whenever you cast a noncreature spell, put a loyalty counter on Ral.
+1: Create a 1/1 blue and red Otter creature token with prowess.
−3: Draw three cards, then discard two cards.
−10: Draw three cards. You get an emblem with "Instant and sorcery spells you cast have storm." (Whenever you cast an instant or sorcery spell, copy it for each spell cast before it this turn.)

Return the Favor

Spree (Choose one or more additional costs.)
+ {1} — Copy target instant spell, sorcery spell, activated ability, or triggered ability. You may choose new targets for the copy.
+ {1} — Change the target of target spell or ability with a single target.

Vibrant Outburst

Vibrant Outburst deals 3 damage to any target. Tap up to one target creature.

Manasources	Probability
1	95.17%
2	75.30%
3	42.92%
4	15.95%
5	3.55%
6	0.42%
7	0.02%

Color Pip	Probability
	95.17%
	88.25%
	22.15%
	22.15%
	22.15%
	22.15%

Izzet Spellementals

Lands (20)

Creatures (14)

Instants (19)

Sorceries (7)

Sideboard (15)

Probability of drawing any mana sources in your first 7 cards

Probability of drawing a mana source of a specific color pip in your first 7 cards

Mana Cost Distribution

Mana Density