Cheapest priced copy (Forgotten Realms Commander): $0.35 at Card Kingdom, near mint, their price list as of .
Marauding Mutagen 
Acidic Slime
Creature — Ooze · 2/2 · Uncommon · Teenage Mutant Ninja Turtles Eternal · #48
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When this creature enters, destroy target artifact, enchantment, or land.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
24 printings · $0.35 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Forgotten Realms Commander | 151 | Uncommon | $0.35 | — |
| Commander 2013 | 134 | Uncommon | $0.35 | — |
| Commander 2015 | 173 | Uncommon | $0.35 | — |
| Commander 2018 | 127 | Uncommon | $0.35 | — |
| Commander 2020 | 165 | Uncommon | $0.35 | — |
| Commander Anthology Volume II | 132 | Uncommon | $0.35 | — |
| Commander Anthology | 90 | Uncommon | $0.35 | — |
| Commander 2011 | 140 | Uncommon | $0.35 | — |
| Commander Masters | 270 | Uncommon | $0.35 | $0.49 |
| Commander Legends | 421 | Uncommon | $0.35 | — |
| Commander Legends | 673 | Uncommon | $0.49 | $0.79 |
| Duel Decks: Jace vs. Vraska | 64 | Uncommon | $0.35 | — |
| Friday Night Magic 2012 | 6 | Rare | — | $2.29 |
| Magic 2010 | 165 | Uncommon | $0.35 | $1.49 |
| Magic 2011 | 161 | Uncommon | $0.35 | $0.49 |
| Magic 2012 | 161 | Uncommon | $0.35 | $0.49 |
| Magic 2013 | 159 | Uncommon | $0.35 | $0.49 |
| Modern Horizons 3 Commander | 218 | Uncommon | $0.35 | $0.49 |
| Neon Dynasty Commander | 112 | Uncommon | $0.35 | — |
| 30th Anniversary Play Promos | 17 | Rare | — | $0.49 |
| The List | C18-127 | Uncommon | $0.35 | — |
| Secret Lair Drop | 134 | Rare | $6.99 | — |
| Teenage Mutant Ninja Turtles Eternal (Marauding Mutagen) | 48 | Uncommon | $0.35 | $0.49 |
| Zendikar Rising Commander | 59 | Uncommon | $0.35 | — |