Overview
| Field |
Value |
| Name (EN) |
Rough Gem |
| Name (JP) |
ラフジェム |
| Rarity |
Uncommon |
| Cost |
$7 |
| Unlock |
Available from the start (no unlock required) |
| Overall Tier |
B+ |
Rating & Analysis
Rough Gem is a mid-tier Joker that shines once the conditions are met. Whether to pick it up depends on your build direction and what the shop offers. Its economy effect widens your options in the shop; combine it with interest ($1 per $5, up to $5) to grow your bank.
Good Synergies
| Combo |
Why |
| Diamond-focused economy |
+$1 per Diamond ties directly into the economy axis. |
Recommended Decks & Builds
- Yellow Deck: Starts with +$10, the baseline for any economy build.
- Green Deck: Earns money from unused hands/discards (no interest).
Tips & Usage
- Joker slots are limited. Run Negative Tag / Ectoplasm / Antimatter in parallel to expand them.
