How to get it
Crafting
Crafting table✓ Emma made it in-game
Chests in structures
| Where | Amount | Chance |
|---|---|---|
| Shipwreck Map | 1 | 7.7% |
| Ruined Portal | 1 | 7.3% |
Chance is per chest (or per roll for fishing and bartering), worked out from the loot table weights.
Trading
| Trader | Level | Price | You get |
|---|---|---|---|
| Librarian | Expert |  Emerald×5 | 1 |
From scratch
The cheapest way to make one, worked out from every recipe the way Emma's planner breaks a goal down.
Gather
Raw Gold×4break Gold Ore (iron pickaxe)- Redstone Dustbreak Redstone Ore (iron pickaxe)
Then
- Blast FurnaceRaw Gold×4Gold Ingot×4
- CraftGold Ingot×4Redstone DustClock