Forum:I need help on my dark deck

HELP!!!! I have no idea how to improve my dark deck! My older bro always trashes me. Here is my deck:

MONSTERS Blackwing- Bora The Spear Blackwing- Elphin The Raven Blackwing- Fane The Steel Chain Blackwing- Ghibli The Searing Wind Blackwing- Mistral The Silver Shield Blackwing- Shura The Blue Flame x2 Blackwing- Sirocco The Dawn (second best) Dark Tinker x2 Dark Valkyria Despair From The Dark Earthbound Immortal Wiraqocha Rasca GAAP THE DIVINE SOILDER (favorite card) Infernity Beast Mad Dog of Darkness Marshmallon (a favorite defense) Skelengel The Big Saturn Zera The Mant

SYRNCHOS not used much at all Junk Warrior Power Tool Dragon

Magic Dark Hole Giant Trunade Heavy Storm Monster Reborn Spider Web Twister Zera Ritual

Trap Black Thunder Chain Whirlwind Changing Destiny Dust Tornado Ebon Arrow Half or Nothing Level ReTuner Lineage of Destruction Miniaturize Raigeki Break Remote Revenge Threatening Roar Widespread Ruin

I DO NOT CARE WHETHER THE CARDS ARE LEGAL OR NOT!!!!!!!!!! Here are the rest of my extra cards

Monsters Ancient Elf Cross-Sword Beetle Cyborg Doctor D.D. Warrior Lady Flamevell Firedog Gigantic Cephalotus Iron Chain Blaster KOA'KI Meiru Guardian KOA'KI Meiru Ice Magicat Maha Vailo Mermaid Archer Morphtronic Celfon Morphtronic Slingen Morphtronic Vacuumen Obsidian Dragon Pursuit Chaser Rouge Doll Shining Angel Sunny Pixie

Magic Advance Draw Core Blaster Creature Swap De-Synchro Double Tool C&D Emergency Assistance Everliving Underworld Cannon Fossil Dig Morphtronic Acceleration Morphtronic Engine Morphtronic Repair Unit Morphtronic Rusty Engine Nobleman of Crossout Silver Wing Spirit Burner Super Solar Nutrient Sword of Sparkles Wonder Clover

Trap At One With The Sword Automatic Laser Battle of The Elements Blackwing-Bombardment Fairy Wind Flamvell Counter Giant Trap Hole Magic Drain Miracle Locus Morphtronics, Scramble Planet Pollutant Virus Psychic Soul Skill Successor Trojan Gladiator Beast

IF THE CARDS SUGGESTED ARE NOT ON MY LIST, I MAY NOT BE ABLE TO GET THEM. TRY TO LIMIT TO 40 CARDS, I WANT THE CARDS I NEED FAST!!! DO THE BEST YOU CAN WITH THESE CARDS, GOOD LUCK!