The List

Thwart

Thwart {2}{U}{U}

Instant
You may return three Islands you control to their owner's hand rather than pay this spell's mana cost.
Counter target spell.
Trade Routes

Trade Routes {1}{U}

Enchantment
{1}: Return target land you control to its owner's hand.
{1}, Discard a land card: Draw a card.
Like the price of goods, the value of the routes was renegotiated daily.
Cackling Witch

Cackling Witch {1}{B}

Creature - Human Spellshaper
{X}{B}, {T}, Discard a card: Target creature gets +X/+0 until end of turn.
The touch of his madness can drive anyone into a killing frenzy.
1/1
Deepwood Legate

Deepwood Legate {3}{B}

Creature - Shade
If an opponent controls a Forest and you control a Swamp, you may cast this spell without paying its mana cost.
{B}: Deepwood Legate gets +1/+1 until end of turn.
1/1
Primeval Shambler

Primeval Shambler {4}{B}

Creature - Horror Mercenary
{B}: Primeval Shambler gets +1/+1 until end of turn.
His mind, like his body, is made up of the swamp's flotsam.
3/3
Sever Soul

Sever Soul {3}{B}{B}

Sorcery
Destroy target nonblack creature. It can't be regenerated. You gain life equal to its toughness.
"With the proper tools, even the Great River can be dammed."
—Ta-Spon, Cho-Arrim executioner
Crossbow Infantry

Crossbow Infantry {1}{W}

Creature - Human Soldier Archer
{T}: Crossbow Infantry deals 1 damage to target attacking or blocking creature.
The crossbow is the ideal weapon for the lazy Mercadians: just point and shoot.
1/1
Unmask

Unmask {3}{B}

Sorcery
You may exile a black card from your hand rather than pay this spell's mana cost.
Target player reveals their hand. You choose a nonland card from it. That player discards that card.
Devout Witness

Devout Witness {2}{W}

Creature - Human Spellshaper
{1}{W}, {T}, Discard a card: Destroy target artifact or enchantment.
The Cho-Arrim fought Mercadia's decadence with more than just swords.
2/2
Vendetta

Vendetta {B}

Instant
Destroy target nonblack creature. It can't be regenerated. You lose life equal to that creature's toughness.
Starke knew the voice was Takara's, but the venom was Volrath's.
Arms Dealer

Arms Dealer {2}{R}

Creature - Goblin Rogue
{1}{R}, Sacrifice a Goblin: Arms Dealer deals 4 damage to target creature.
He has the weapons, he has the connections, and he knows the hangar's dark secret.
1/1
Cave Sense

Cave Sense {1}{R}

Enchantment - Aura
Enchant creature
Enchanted creature gets +1/+1 and has mountainwalk.
Ceremonial Guard

Ceremonial Guard {2}{R}

Creature - Human Soldier
When Ceremonial Guard attacks or blocks, destroy it at end of combat.
"These guards are the most disciplined military unit in the city. They couldn't fight their way out of a broom closet, but they've got discipline."
—Gerrard, to Sisay
3/4
Fountain Watch

Fountain Watch {3}{W}{W}

Creature - Human Cleric
Artifacts and enchantments you control have shroud.
The Cho-Arrim didn't rely only on a secret location to protect their Fountain.
2/4
Hammer Mage

Hammer Mage {1}{R}

Creature - Human Spellshaper
{X}{R}, {T}, Discard a card: Destroy all artifacts with mana value X or less.
When he's holding the hammers, everything looks like a nail.
1/1
Kyren Negotiations

Kyren Negotiations {2}{R}{R}

Enchantment
Tap an untapped creature you control: Kyren Negotiations deals 1 damage to target player or planeswalker.
Kyren goblins always speak in questions and never allow wrong answers.
Mercadia's Downfall

Mercadia's Downfall {2}{R}

Instant
Each attacking creature gets +1/+0 until end of turn for each nonbasic land defending player controls.
With an explosion that shook the foundation of the city, the Weatherlight burst from the underground hangar.
Puppet's Verdict

Puppet's Verdict {1}{R}{R}

Instant
Flip a coin. If you win the flip, destroy all creatures with power 2 or less. If you lose the flip, destroy all creatures with power 3 or greater.
"What was heads again?"
—Mercadian magistrate
Thieves' Auction

Thieves' Auction {4}{R}{R}{R}

Sorcery
Exile all nontoken permanents. Starting with you, each player chooses one of the exiled cards and puts it onto the battlefield tapped under their control. Repeat this process until all cards exiled this way have been chosen.
Thunderclap

Thunderclap {2}{R}

Instant
You may sacrifice a Mountain rather than pay this spell's mana cost.
Thunderclap deals 3 damage to target creature.
Ancestral Mask

Ancestral Mask {2}{G}

Enchantment - Aura
Enchant creature
Enchanted creature gets +2/+2 for each other enchantment on the battlefield.
The masks, like the ancient trees they're grown from, lend strength to the dryads.
Briar Patch

Briar Patch {1}{G}{G}

Enchantment
Whenever a creature attacks you, it gets -1/-0 until end of turn.
As easily as the dryads could close a fist, so could the branches and underbrush entangle.
Food Chain

Food Chain {2}{G}

Enchantment
Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creature spells.
Hunted Wumpus

Hunted Wumpus {3}{G}

Creature - Beast
When Hunted Wumpus enters, each other player may put a creature card from their hand onto the battlefield.
Just one can feed a dozen people for a month.
6/6
Invigorate

Invigorate {2}{G}

Instant
If you control a Forest, rather than pay this spell's mana cost, you may have an opponent gain 3 life.
Target creature gets +4/+4 until end of turn.