Cheapest priced copy (Eighth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Mind Sludge 
Sorcery · Uncommon · Eighth Edition · #146
Target player discards a card for each Swamp you control.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
4 printings · $0.35 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Eighth Edition | 146 | Uncommon | $0.35 | — |
| Eighth Edition | 146★ | Uncommon | — | $0.49 |
| Torment | 70 | Uncommon | $0.35 | $2.49 |
| Zendikar | 102 | Uncommon | $0.35 | $0.49 |