Laughing Jasper Flint

Creatures you control but don't own are Mercenaries in addition to their other types.
At the beginning of your upkeep, exile the top X cards of target opponent's library, where X is the number of outlaws you control. Until end of turn, you may cast spells from among those cards, and mana of any type can be spent to cast those spells.

Thieving Aven

Flying
Whenever Thieving Aven deals combat damage to a player, heist target opponent's library.
Whenever you cast a spell you don't own, put a +1/+1 counter on Thieving Aven.

Magda, the Hoardmaster

Whenever you commit a crime, create a tapped Treasure token. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)
Sacrifice three Treasures: Create a 4/4 red Scorpion Dragon creature token with flying and haste. Activate only as a sorcery.

Restless Vents

This land enters tapped.
{T}: Add {B} or {R}.
{1}{B}{R}: Until end of turn, this land becomes a 2/3 black and red Insect creature with menace. It's still a land.
Whenever this land attacks, you may discard a card. If you do, draw a card.

Grenzo, Crooked Jailer

When Grenzo enters and at the beginning of your upkeep, heist target opponent's library.
Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast that you don't own with mana value 3 or less.

Spirebluff Canal

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

Fell

Shoot the Sheriff

Destroy target non-outlaw creature. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws. Everyone else is fair game.)

Murder

Kaervek, the Punisher

Whenever you commit a crime, exile up to one target black card from your graveyard and copy it. You may cast the copy. If you do, you lose 2 life. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime. Copies of permanent spells become tokens.)

Island

Restless Spire

This land enters tapped.
{T}: Add {U} or {R}.
{U}{R}: Until end of turn, this land becomes a 2/1 blue and red Elemental creature with "During your turn, this creature has first strike." It's still a land.
Whenever this land attacks, scry 1.

Restless Reef

This land enters tapped.
{T}: Add {U} or {B}.
{2}{U}{B}: Until end of turn, this land becomes a 4/4 blue and black Shark creature with deathtouch. It's still a land.
Whenever this land attacks, target player mills four cards.

At Knifepoint

During your turn, outlaws you control have first strike. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)
Whenever you commit a crime, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery." This ability triggers only once each turn.

Marchesa, Dealer of Death

Whenever you commit a crime, you may pay {1}. If you do, look at the top two cards of your library. Put one of them into your hand and the other into your graveyard. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

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.

Intimidation Campaign

When this enchantment enters, each opponent loses 1 life, you gain 1 life, and you draw a card.
Whenever you commit a crime, you may return this enchantment to its owner's hand. (It returns only from the battlefield. Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Swamp

Polterheist

Ward—Pay 2 life.
Whenever Polterheist attacks, heist target opponent's library.

Gisa, the Hellraiser

Ward—{2}, Pay 2 life.
Skeletons and Zombies you control get +1/+1 and have menace.
Whenever you commit a crime, create two tapped 2/2 blue and black Zombie Rogue creature tokens. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Fabled Passage

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Abrade

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

Fear of Ridicule

Enchantment creatures you control have menace.
Whenever one or more enchantment creatures you control deal combat damage to a player, exile a random creature card from that player's library. Create a token that's a copy of that card, except it's a 1/1 enchantment creature.

Captivating Crossroads

During your first three turns of the game, Captivating Crossroads enters tapped if you were the starting player.
As Captivating Crossroads enters, choose a color.
{T}: Add one mana of the chosen color.