The Mightstone and Weakstone 
Legendary Artifact — Powerstone
Performance History in Pioneer
| Period | Top 8 Decks | Copies | Avg Copies Per Deck |
|---|---|---|---|
| Last 7 Days | 0 | 0 | 0 |
| Last 30 Days | 0 | 0 | 0 |
| Last 12 Months | 1 | 1 | 1 |
| Period | Top 8 Decks | Copies | Avg Copies Per Deck |
|---|---|---|---|
| Last 7 Days | 0 | 0 | 0 |
| Last 30 Days | 0 | 0 | 0 |
| Last 12 Months | 1 | 1 | 1 |