Spirebluff Canal

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

Mountain

Thrill of Possibility

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

Mapping the Maze

Choose an instant or sorcery card in your hand or graveyard. That card perpetually incorporates {U} and gains "When you cast this spell, draw a card." Then return a multicolored instant or sorcery card from your graveyard to your hand.

Island

Slick Sequence

Slick Sequence deals 2 damage to any target. If you've cast another spell this turn, draw a card.

Melt Through

Melt Through deals 2 damage to any target. If it's a creature, it perpetually gains "As long as this creature is on the battlefield, damage isn't removed from it during cleanup steps."

Rusko, Clockmaker

When Rusko, Clockmaker enters the battlefield, conjure a card named Midnight Clock onto the battlefield.
Whenever you cast a noncreature spell, put an hour counter on each permanent you control named Midnight Clock. Each opponent loses 1 life and you gain 1 life.

Weave the Nightmare

Choose one. If you control a nonland permanent you don't own as you cast this spell, you may choose two instead.
• Heist target opponent's library.
• Target creature gets -5/-5 until end of turn.
• Counter target noncreature spell.

Fiery Inscription

When this enchantment enters, the Ring tempts you.
Whenever you cast an instant or sorcery spell, this enchantment deals 2 damage to each opponent.

Quick Study

Deduce

Draw a card. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Impetuous Lootmonger

First strike
When Impetuous Lootmonger enters, discard a card, then heist target opponent's library.
Whenever you cast a spell you don't own, create a tapped Treasure token.

Shivan Reef

{T}: Add {C}.
{T}: Add {U} or {R}. This land deals 1 damage to you.

Thundering Falls

({T}: Add {U} or {R}.)
This land enters tapped.
When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Raucous Theater

({T}: Add {B} or {R}.)
This land enters tapped.
When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Undercity Sewers

({T}: Add {U} or {B}.)
This land enters tapped.
When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Triumphant Getaway

Flash
When Triumphant Getaway enters, heist target opponent's library twice.
Whenever you cast a spell you don't own, each opponent loses 2 life and you gain 2 life.

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.

Darkslick Shores

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

Blackcleave Cliffs

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

Sheoldred's Edict

Choose one —
• Each opponent sacrifices a nontoken creature of their choice.
• Each opponent sacrifices a creature token of their choice.
• Each opponent sacrifices a planeswalker of their choice.

Sulfurous Springs

{T}: Add {C}.
{T}: Add {B} or {R}. This land deals 1 damage to you.

Grave Expectations

Choose one —
• Heist target opponent's library.
• Exile up to three target cards from your opponents' graveyards. You gain 3 life.