| Mechanoinstruction Scraps | a creep reaper | Corathus Creep | — |
| Mechanoinstruction Scraps | a creep reaper | Corathus Creep | — |
| Meliorated Circumlocuting Mechanotablet | a creep reaper | Corathus Creep | — |
| Meliorated Circumventating Mechanotablet | a creep reaper | Corathus Creep | — |
| Meliorated Circumventating Mechanotablet | a steamwork shock trooper | Meldrath's Majestic Mansion | — |
| Mercury Powder | Eric Rasumus | Plane of Knowledge | — |
| Mercury Powder | a spell research merchant | Oggok | — |
| Mercury Powder | a spell research merchant | North Kaladim | — |
| Mercury Powder | a spell research merchant | Neriak - Commons | — |
| Mercury Powder | a spell research merchant | Kelethin (in Greater Faydark) | — |
| Mercury Powder | a spell research merchant | Halas | — |
| Mercury Powder | a spell research merchant | Grobb | — |
| Mercury Powder | a spell research merchant | Erudin | — |
| Mercury Powder | a spell research merchant | East Cabilis | — |
| Mercury Powder | Gyruth | Relic, the Artifact City | — |
| Mercury Powder | a spell research merchant | West Freeport | — |
| Mercury Powder | Researcher Layla | Crescent Reach | — |
| Mercury Powder | Merchant Model CGXIV | Corathus Creep | — |
| Mercury Powder | a spell research merchant | Ak'Anon | — |
| Mercury Powder | a spell research merchant | Southern Felwithe | — |
| Mercury Powder | a spell research merchant | South Qeynos | — |
| Mercury Powder | a spell research merchant | Shar Vahl | — |
| Mercury Powder | a spell research merchant | Rivervale | — |
| Mercury Powder | a spell research merchant | Crescent Reach | — |
| Mercury Powder | a spell research merchant | Rathe Mountains (see also Gukta) | — |
| Mercury Powder | Scholar Klaz | Plane of Knowledge | — |
| Mitigating Thickener | Maree Rasumus | Plane of Knowledge | — |
| Mitigating Thickener | a spell research merchant | Rivervale | — |
| Mitigating Thickener | a spell research merchant | Halas | — |
| Mitigating Thickener | a spell research merchant | Grobb | — |
| Mitigating Thickener | a spell research merchant | Erudin | — |
| Mitigating Thickener | a spell research merchant | East Cabilis | — |
| Mitigating Thickener | Researcher Melka | Crescent Reach | — |
| Mitigating Thickener | a spell research merchant | Crescent Reach | — |
| Mitigating Thickener | Merchant Model CGXVIII | Corathus Creep | — |
| Mitigating Thickener | a spell research merchant | Ak'Anon | — |
| Mitigating Thickener | Myath at +943, +533, -274 | Relic, the Artifact City | — |
| Mitigating Thickener | a spell research merchant | Rathe Mountains (see also Gukta) | — |
| Mitigating Thickener | Scholar Klaz | Plane of Knowledge | — |
| Mitigating Thickener | a spell research merchant | Oggok | — |
| Mitigating Thickener | a spell research merchant | North Kaladim | — |
| Mitigating Thickener | a spell research merchant | Neriak - Commons | — |
| Mitigating Thickener | a spell research merchant | Kelethin (in Greater Faydark) | — |
| Mitigating Thickener | a spell research merchant | West Freeport | — |
| Mitigating Thickener | a spell research merchant | Southern Felwithe | — |
| Mitigating Thickener | a spell research merchant | South Qeynos | — |
| Mitigating Thickener | a spell research merchant | Shar Vahl | — |
| Modest Binding Powder | an oread maiden | Goru`kar Mesa | — |
| Modest Binding Powder | a dryad maiden | Goru`kar Mesa | — |
| Modest Binding Powder | a sarnak enthusiast | Frontier Mountains | — |
