Well, here's the old "all-monster" deck I used to use in DME. It only took one loss in DME, to Shawn in the finals of a tournament; but, we all know what goes down there anyway. This version is different from my RL and GN versions, but eeeh. I'll look up those other versions another time.
Monsuta: 42
1. Gorz the Emissary of Darkness
2. Trageodia
3. Treeborn Frog
4. Zaborg the Thunder Monarch
5. Mobius the Frost Monarch
6. Thestalos the Firestorm Monarch
7. Granmarg the Rock Monarch
8. Raiza the Storm Monarch
9. Caius the Shadow Monarch
10. Dragon Ice
11. Dragonic Knight
12. Dandelion
13. Rose, Warrior of Revenge
14. Marauding Captain
15. Junk Synchron
16. Exiled Force
17. Sangan
18. D.D. Warrior Lady
19. Shieldwing
20. Breaker the Magical Warrior
21. Hannibal Necromancer
22. Morphing Jar #2
23. Night Assailant
24. Material Salvager Quinary
25. Grave Squirmer
26. Ice Shot Reice
27. Winged Wata
28. Chaos End Master
29. Sphere of Chaos
30. Turbo Booster
31. Genex Undine
32. Genex Controller
33. Deep Diver
34. Enigma the Celestial Envoy
35. Marshmallon
36. Cyber Dragon
37. Big Piece Golem
38. Level Warrior
39. God Beastking Barbatos
40. Ruklamba the Spirit King
41. Clone Dragon
42. Natural Whatever it was Called; Ryu probably remembers
Extra Deck:
1. Light-End Dragon
2. Dark-End Dragon
3. Stardust Dragon
4. Red Daemon's Dragon
5. Mist Wurm
6. Chain Dragon
7. Gaia Knight
8. Black Rose Dragon
9. Goyo Guardian
10. Magical Android
11. Mental Sphere Daemon
Fusion Deck:
1. Flame Swordsman
2. Darkfire Dragon
3. Karabolana Warrior
Side Deck: 15
1. Frost and Flame Dragon
2. Jinzo
3. Spell Canceller
4. Morphing Jar
5. Desert Twister
6-15. Random Counter Stuff