Worn Powerstone
3Artifact
Urza's Saga #318 · 1998
€0.70
World Championship Decks 1999 #kb318 · 1999
€0.51
Duel Decks: Phyrexia vs. the Coalition #24 · 2010
€0.33
Commander 2014 #282 · 2014
€0.24
Commander 2015 #275 · 2015
€0.19
Legendary Cube Prize Pack #133 · 2015
Eternal Masters #235 · 2016
€0.22
Commander 2017 #232 · 2017
€0.24
Commander Anthology Volume II #230 · 2018
€0.46
Commander 2018 #230 · 2018
€0.24
The List #USG-318 · 2020
€0.42
Warhammer 40,000 Commander #263 · 2022
€0.31
Warhammer 40,000 Commander #263★ · 2022
Starter Commander Decks #288 · 2022
€0.27
Media and Collaboration Promos #2023-2 · 2023
€4.15
Tales of Middle-earth Commander #293 · 2023
€0.28
Historic Anthology 7 #18 · 2023
Commander Masters #984 · 2023
€0.41
The Lost Caverns of Ixalan Commander #120 · 2023
€1.60
Modern Horizons 3 #298 · 2024
€0.11
Text
This artifact enters tapped. {T}: Add .
"The strange energy source isn't cosmium after all, but some unidentifiable material that has leached cosmium residue from the walls. Could be dangerous. Could change everything." —Oltec archaeological survey
#571 EDHREC
🖌 Chris Ostrowski
Market prices
updated on 06/17/2026
from €1.60
| Source | Normal | Foil |
|---|---|---|
| Cardhoarder | 0.02 tix | — |
| Card Kingdom | $5.49 | $13.99 |
| Cardmarket | €1.60 | €6.34 |
| TCGplayer | $3.22 | $10.76 |
Trend · last 90 days · EUR
€1.60
min €1.18
max €1.64
Legality by format
| Brawl | Legal |
| Commander | Legal |
| Duel Commander | Legal |
| Legacy | Legal |
| Modern | Legal |
| Oathbreaker | Legal |
| Old School | Not legal |
| Pauper | Not legal |
| Pioneer | Not legal |
| Premodern | Legal |
| Standard | Not legal |
| Vintage | Legal |
| Block Constructed | Not legal |
| Extended | Not legal |
| Frontier | Not legal |
| Tiny Leaders | Not legal |