Each season features several unique rewards. In the Twilight Season, you can obtain the following rewards if you have a Gold Pass:
Twilight Planter (Level 20)

The Twilight Planter allows you to claim 150 Coins and 3 Plants of a randomly selected type from the Heart of the Garden in exchange for 1 Growth Elixir. This reward can be claimed once every 5 hours.
The Twilight Planter can be used up to 30 times, after which it becomes a decoration.
Twilight Bookcase (Level 45)

The Twilight Bookcase lets you play the Match Pair mini-game for 5 Energy every 5 hours. You have 6 flips to find and match two identical tiles containing Forbidden Knowledge.
Possible rewards include 100 Experience, 10 Diamonds, and 1 Banishing Lamp. Some tiles also contain bonus scrolls, which may grant Diamonds, Energy, or Coins. Scrolls can only be claimed with the main reward, Forbidden Knowledge.
You can gain forbidden knowledge from the bookcase 30 times, after which it turns into a decoration.
Twilight Throne (Level 70)

The Twilight Throne allows you to convert food into Energy:
- Fruit Salad → 20 Energy
- Fish and Chips → 40 Energy
- Banana Shake → 50 Energy
The Twilight Throne can be used 30 times before turning into a decoration.
All players can also receive this special seasonal reward:
Twilight Mirror (Level 70)

The Twilight Mirror allows you to claim Diamonds and Coins every 24 hours.
It can be used 30 times, after which it becomes a decoration.