| Creature | Terrain | Climate | Campaign | Reference |
|---|---|---|---|---|
| Alaghi | Forests | Temperate | Any | MAIII 6 |
| Alaghi, Elder | Forests | Temperate | Any | MAIII 6 |
| Alaghi, Hermitic | Forests | Temperate | Any | MAIII 6 |
| Alaghi, Young | Forests | Temperate | Any | MAIII 6 |
| Aranea | Any | Any | Any | MAIII 8 |
| Banedead | Any | Any | Any | MAIII 9 |
| Banelich | Any | Any | Any | MAIII 10 |
| Bat, Bonebat | Land | Any | Any | MAIII 11 |
| Bat, Bonebat, Battlebat | Land | Any | Any | MAIII 11 |
| Beetle, Deathwatch | Forests | Temperate | Any | MAIII 12 |
| Beetle, Slicer | Forests | Temperate | Any | MAIII 12 |
| Beetle, Stink | Forests | Temperate | Any | MAIII 12 |
| Belgoi | Desert | Any | Dark Sun | MAIII 13 |
| Bladeling | Any | Any | Any | MAIII 14 |
| Braxat | Mountains | Any | Dark Sun | MAIII 15 |
| Bunyip | Water, Fresh | Temperate | Any | MAIII 16 |
| Burbur | Land | Any | Any | MAIII 17 |
| Bvanen | Swamp | Tropical | Dark Sun | MAIII 18 |
| Chosen One | Any | Any | Any | MAIII 20 |
| Chronovoid | Any | Any | Any | MAIII 21 |
| Cildabrin | Subterranean | Sub-Trop/Trop | Any | MAIII 22 |
| Coffer Corpse | Any | Any | Any | MAIII 23 |
| Creations, Guardian, Climbdog | Mountains | Tropical | Any | MAIII 70 |
| Creations, Guardian, Darkstrike | Mountains | Tropical | Any | MAIII 70 |
| Creations, Guardian, Protector | Mountains | Tropical | Any | MAIII 70 |
| Creations, Guardian, Shieldbug | Mountains | Tropical | Any | MAIII 70 |
| Creations, Guardian, Watcher | Mountains | Tropical | Any | MAIII 70 |
| Creations, Transport, Ber-ethern | Mountains | Tropical | Any | MAIII 71 |
| Creations, Transport, Dhev-sahr | Mountains | Tropical | Any | MAIII 71 |
| Creations, Transport, Gon-evauth | Mountains | Tropical | Any | MAIII 71 |
| Creations, Transport, Yihn-eflan | Mountains | Tropical | Any | MAIII 71 |
| Disenchanter | Any | Any | Forgotten Realms | MAIII 24 |
| Dog, Temporal | Any | Any | Any | MAIII 25 |
| Dragon, Cerilian | Mountains | Any | Any | MAIII 26 |
| Dragon, Ghost Dragon | Subterranean | Any | Any | MAIII 27 |
| Dragon, Neutral, Amber | Forests | Any | Any | MAIII 28 |
| Dread Warrior | Any | Any | Any | MAIII 29 |
| Dream Spawn, General | Any | Any | Ravenloft | MAIII 30 |
| Dream Spawn, Greater, Ennui | Any | Any | Ravenloft | MAIII 31 |
| Dream Spawn, Lesser, Morph, Gray | Any | Any | Ravenloft | MAIII 32 |
| Dream Spawn, Lesser, Morph, Shadow | Any | Any | Ravenloft | MAIII 32 |
| Dreamweaver | Any | Any | Ravenloft | MAIII 33 |
| Dryad, Hamadryad | Forests | Temp/SubTrop | Any | MAIII 34 |
| Dwarf, Arctic, Inugaakalikurit | Any | Arctic | Any | MAIII 35 |
| Dwarf, Urdunnir | Subterranean | Any | Any | MAIII 36 |
| Eel, Giant, Moray | Water | Any | Any | MAIII 37 |
| Elemental, Kin, Fire, Tome Guardian | Any | Any | Any | MAIII 39 |
| Elf, Rockseer | Subterranean | Any | Any | MAIII 40 |
| Ethyk | Any | Any | Any | MAIII 42 |
| Faerie, Fiddler | Any | Any | Any | MAIII 43 |
| Faerie, Petty, Bramble | Plains | Temp/SubArc | Any | MAIII 44 |
| Faerie, Petty, Gorse | Plains | Temp/SubArc | Any | MAIII 45 |
| Firenewt (Salamen) | Any | Tropical | Any | MAIII 46 |
| Firenewt, Elite | Any | Tropical | Any | MAIII 46 |
| Firenewt, Overlord | Any | Tropical | Any | MAIII 46 |
| Firenewt, Priest | Any | Tropical | Any | MAIII 46 |
| Firetail, Lesser | Any | Temp/Trop | Any | MAIII 47 |
| Firetail, Tshala | Any | Temp/Trop | Any | MAIII 47 |
| Formian, General | Any | Any | Any | MAIII 48 |
| Formian, Myrmarch | Any | Any | Any | MAIII 48 |
| Formian, Queen | Any | Any | Any | MAIII 48 |
| Formian, Warrior | Any | Any | Any | MAIII 48 |
| Formian, Worker | Any | Any | Any | MAIII 48 |
| Gargoyle, Archer | Any | Any | Any | MAIII 49 |
| Gargoyle, Grandfather Plaque | Any | Any | Any | MAIII 49 |
| Gargoyle, Spouter | Any | Any | Any | MAIII 49 |
| Gargoyle, Stone Lion | Any | Any | Any | MAIII 49 |
| Giant, Cerilian, Forest | Forests | Any | Any | MAIII 51 |
| Giant, Cerilian, Ice | Mountains | Arctic | Any | MAIII 51 |
| Goblin, Cerilian, Common | Any | Any | Any | MAIII 52 |
| Goblin, Cerilian, Elite | Any | Any | Any | MAIII 52 |
| Goblin, Cerilian, Huge | Any | Any | Any | MAIII 52 |
| Golem, Magic | Any | Any | Any | MAIII 53 |
| Golem, Shaboath | Water | Any | Any | MAIII 54 |
| Hag, Bheur | Any | Arctic/Sub-Arctic | Any | MAIII 55 |
| Head, Arcane | Any | Any | Any | MAIII 56 |
| Hound of Ill Omen | Any | Any | Any | MAIII 57 |
| Human, Cerilian, Anurien | Any | Any | Birthright | MAIII 58 |
| Human, Cerilian, Brecht | Any | Any | Birthright | MAIII 58 |
| Human, Cerilian, Khinasi | Any | Any | Birthright | MAIII 58 |
| Human, Cerilian, Rjurik | Any | Any | Birthright | MAIII 58 |
| Human, Cerilian, Vos | Any | Any | Birthright | MAIII 58 |
| Hybsil | Forests | Temperate | Forgotten Realms | MAIII 60 |
| Ibrandlin | Subterranean | Any | Any | MAIII 61 |
| Illithilich (Alhoon) | Any | Any | Any | MAIII 7 |
| Imp, Chaos | Any | Any | Any | MAIII 63 |
| Ixitxachitl, Ixzan | Water, Fresh | Any | Any | MAIII 64 |
| Ixitxachitl, Ixzan, Mutant | Water, Fresh | Any | Any | MAIII 64 |
| Ixitxachitl, Ixzan, Priest | Water, Fresh | Any | Any | MAIII 64 |
| Ixitxachitl, Ixzan, Vampiric | Water, Fresh | Any | Any | MAIII 64 |
| Ixitxachitl, Ixzan, Wizard | Water, Fresh | Any | Any | MAIII 64 |
| Jabberwock | Forests | Any | Any | MAIII 66 |
| Kyton | Any | Any | Any | MAIII 68 |
| Lillend | Forests | Temp/Trop | Any | MAIII 73 |
| Lycanthrope, Werecrocodile | Swamp | Any | Any | MAIII 75 |
| Lycanthrope, Werespider | Forests | Any | Any | MAIII 76 |
| Magedoom | Any | Any | Any | MAIII 77 |
| Manotaur | Forests | Any | Any | MAIII 78 |
| Mastiff, Shadow | Any | Any | Any | MAIII 79 |
| Meazel | Subterranean | Any | Any | MAIII 80 |
| Mist, Scarlet Dancer | Swamp | Any | Any | MAIII 81 |
| Needleman | Forests | Temperate | Any | MAIII 82 |
| Ondonti | Land | Any | Any | MAIII 84 |
| Orog, Neo-, Black | Any | Any | Any | MAIII 83 |
| Orog, Neo-, Black, General | Any | Any | Any | MAIII 83 |
| Orog, Neo-, Black, Officer | Any | Any | Any | MAIII 83 |
| Orog, Neo-, Black, Sergeant | Any | Any | Any | MAIII 83 |
| Orog, Neo-, Red | Any | Any | Any | MAIII 83 |
| Orog, Neo-, Red, General | Any | Any | Any | MAIII 83 |
| Orog, Neo-, Red, Officer | Any | Any | Any | MAIII 83 |
| Orog, Neo-, Red, Sergeant | Any | Any | Any | MAIII 83 |
| Owlbear, Arctic | Any | Arctic | Any | MAIII 85 |
| Owlbear, Winged | Any | Temp/Trop | Any | MAIII 85 |
| Pegataur | Mountains | Temperate | Any | MAIII 86 |
| Phaerimm | Any | Any | Any | MAIII 87 |
| Reggelid | Mountains | Any | Dark Sun | MAIII 88 |
| Render | Any | Any | Any | MAIII 89 |
| Saurial, Bladeback | Jungle | Any | Forgotten Realms | MAIII 90 |
| Saurial, Finhead | Jungle | Any | Forgotten Realms | MAIII 90 |
| Saurial, Flyer | Jungle | Any | Forgotten Realms | MAIII 90 |
| Saurial, General | Jungle | Any | Forgotten Realms | MAIII 90 |
| Saurial, Hornhead | Jungle | Any | Forgotten Realms | MAIII 90 |
| Scalamagdrion | Subterranean | Sub-Arctic | Forgotten Realms | MAIII 93 |
| Sharn | Land | Any | Forgotten Realms | MAIII 94 |
| Snake, Messenger | Any | Any | Any | MAIII 95 |
| Son of Kyuss | Any | Any | Any | MAIII 69 |
| Spider, Vortex | Any | Any | Any | MAIII 116 |
| Spirit, Forest, Uthraki | Forests | Any | Any | MAIII 96 |
| Spirit, Forest, Wood Man | Forests | Any | Any | MAIII 97 |
| Spirit, Ice, Orglash | Mountains | Arctic | Any | MAIII 98 |
| Spirit, Rock, Thomil | Mountains | Any | Any | MAIII 99 |
| Spirit, Zhentarim | Any | Any | Any | MAIII 119 |
| Strider, Giant | Any | Tropical | Any | MAIII 100 |
| Tanar'ri, Greater, Goristro | Any | Any | Any | MAIII 101 |
| Tanar'ri, Lesser, Armanite | Any | Any | Any | MAIII 103 |
| Tanar'ri, Lesser, Armanite, Knecht | Any | Any | Any | MAIII 103 |
| Tanar'ri, Lesser, Armanite, Konsul | Any | Any | Any | MAIII 103 |
| Tembo | Mountains | Any | Dark Sun | MAIII 105 |
| Temporal Glider | Any | Any | Any | MAIII 106 |
| Temporal Stalker | Any | Any | Any | MAIII 107 |
| Tether Beast | Any | Any | Any | MAIII 108 |
| Thessalgorgon | Subterranean | Tropical | Any | MAIII 109 |
| Thessalhydra | Subterranean | Any | Any | MAIII 109 |
| Thessalmera | Subterranean | Any | Any | MAIII 109 |
| Thessaltrice | Subterranean | Any | Any | MAIII 109 |
| Tiger, Snow | Forests | Temp/SubArc | Any | MAIII 19 |
| Time Dimensional, Common | Any | Any | Any | MAIII 111 |
| Time Dimensional, Noble | Any | Any | Any | MAIII 111 |
| Time Dimensional, Royal | Any | Any | Any | MAIII 111 |
| Tomb Tapper, Thaalud | Subterranean | Any | Any | MAIII 112 |
| Undead Dragon Slayer | Any | Any | Any | MAIII 113 |
| Unicorn, Black | Forests | Any | Forgotten Realms | MAIII 114 |
| Vaath | Any | Any | Any | MAIII 115 |
| Web, Living | Subterranean | Any | Any | MAIII 117 |
| Web, Memory | Subterranean | Any | Any | MAIII 117 |
| Weredragon | Land | Any | Any | MAIII 118 |