Read here an article to get better in Dominion Hinterlands.

Crossroads
Action$2Reveal your hand.
+1 Card per Victory card revealed. If this is the first time you played a Crossroads this turn, +3 Actions
Duchess
Action$2+2 Coins

Each player (including you) looks at the top card of his deck, and discards it or puts it back.

In games using this, when you gain a Duchy, you may gain a Duchess

Fool's Gold
Treasure - Reaction$2If this is the first time you played a Fool's Gold this turn, this is worth 1 coin, otherwise it's worth 4 coins.

When another player gains a Province, you may trash this from your hand. If you do, gain a Gold, putting it on your deck
Develop
Action$3Trash a card from your hand. Gain a card costing exactly 1 coin more than it and a card costing exactly 1 less than it, in either order, putting them on top of your deck
Oasis
Action$3+1 Card
+1 Action
+$1
Discard a card
Oracle
Action - Attack$3Each player (including you) reveals the top 2 cards of his deck, and you choose one: either he discards them, or he puts them back on top in an order he chooses.
+2 Cards
Scheme
Action$3+1 Card
+1 Action

At the start of Clean-up this turn, you may choose an Action card you have in play. If you discard it from play this turn, put it on your deck

Tunnel
Victory - Reaction$3Worth 2 VP

When you discard this other than during a Clean-up phase, you may reveal it. If you do, gain a Gold

Jack of All Trades
Action$4Gain a Silver.

Look at the top card of your deck; discard it or put it back.
Draw until you have 5 cards in hand.
You may trash a card from your hand that is not a Treasure

Noble Brigand
Action - Attack$4+1 Coin
When you buy this or play it, each other player reveals the top 2 cards of his deck, trashes a revealed Silver or Gold you choose, and discards the rest. If he didn't reveal a Treasure, he gains a Copper. You gain the trashed cards
Nomad Camp
Action$4+1 Buy
+2 Coins

When you gain this, put it on top of your deck

Silk Road
Victory$4Worth 1 VP for every 4 Victory cards in your deck (round down)
Spice Merchant
Action$4You may trash a Treasure from your hand. If you do, choose one:
+2 Cards and +1 Action;
or +$2 and +1 Buy
Trader
Action - Reaction$4>Trash a card from your hand. Gain a number of Silvers equal to its cost in coins.

When you would gain a card, you may reveal this from your hand. If you do, instead, gain a silver
Cache
Treasure$5Worth 3 Coins

When you gain this, gain two Coppers
Cartographer
Action$5+1 Card
+1 Action

Look at the top 4 cards of your deck. Discard any number of them. Put the rest back on top in any order

Embassy
Action$5+5 Cards
Discard 3 cards.

When you gain this, each other player gains a Silver
Haggler
Action$5+2 Coins

While this is in play, when you buy a card, gain a card costing less than it that is not a Victory card

Highway
Action$5+1 Card
+1 Action

While this is in play, cards cost $1 less, but not less than $0
Ill-Gotten Gains
Action$5Worth 1 Coin

When you play this, you may gain a Copper, putting it into your hand.

When you gain this, each other player gains a Curse

Inn
Action$5+2 Cards
+2 Actions
Discard 2 cards.

When you gain this, look through your discard pile (including this), reveal any number of Action cards from it, and shuffle them into your deck
Mandarin
Action$5+3 coins

Put a card from your hand on top of your deck.

When you gain this, put all Treasures you have in play on top of your deck in any order

Margrave
Action - Attack$5+3 Cards
+1 Buy
Each other player draws a card, then discards down to 3 cards in hand
Stables
Action$5You may discard a Treasure. If you do, +3 Cards and +1 Action
Border Village
Action$6+1 Card
+2 Actions

When you gain this, gain a card costing less than this
Farmland
Victory$62 VP

When you buy this, trash a card from your hand. Gain a card costing exactly $2 more than the trashed card


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