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.

Accumulate Wisdom

Look at the top three cards of your library. Put one of those cards into your hand and the rest on the bottom of your library in any order. Put each of those cards into your hand instead if there are three or more Lesson cards in your graveyard.

Ashling's Command

Choose two —
• Create a token that's a copy of target Elemental you control.
• Target player draws two cards.
• Ashling's Command deals 2 damage to each creature target player controls.
• Target player creates two Treasure tokens.

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.

Combustion Technique

Combustion Technique deals damage equal to 2 plus the number of Lesson cards in your graveyard to target creature. If that creature would die this turn, exile it instead.

Firebending Lesson

Kicker {4} (You may pay an additional {4} as you cast this spell.)
Firebending Lesson deals 2 damage to target creature. If this spell was kicked, it deals 5 damage to that creature instead.

It'll Quench Ya!

Counter target 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.

Tablet of Discovery

When this artifact enters, mill a card. You may play that card this turn. (To mill a card, put the top card of your library into your graveyard.)
{T}: Add {R}.
{T}: Add {R}{R}. Spend this mana only to cast instant and sorcery spells.

Abrade

Choose one —
• Abrade deals 3 damage to target creature.
• Destroy target artifact.

Broadside Barrage

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

Negate

Octopus Form

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)

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.)

Spell Pierce

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

Stoic Sphinx

Flash
Flying
This creature has hexproof as long as you haven't cast a spell this turn.

Manasources	Probability
1	97.84%
2	85.73%
3	58.79%
4	27.92%
5	8.28%
6	1.34%
7	0.09%

Color Pip	Probability
	97.84%
	95.17%
	39.95%
	39.95%
	39.95%
	39.95%

Izzet Lessons

Lands (24)

Creatures (4)

Instants (28)

Artifacts (4)

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