Need help maken a good yugioh deck! plz help!?

okay so i need help maken a yugioh deck, and i come from a poor family, so buying rly expensive cards is kinda outta the Q, so i gotta work with what i have, ive bought every structure deck from the old yugioh, but i lost all my toon cards, and i bought the junk destroyer structure deck, and i can pretty much make any attribute deck, and i have alot of fiend spellcaster warriors dragon cards, and cards to help them, but i also have alot of beast, i have two pyramids of light and the sphnixes, my favorite monster is red eyes black dragon, i have three of him, and one red eyes darkness dragon, i also have elemental heroes burnstinatrix, avian, bubbleman clay man wild hart and sparkman, but the only fusion i have is thunder giant, the fusions i have are flame swordsman,1000 dragon, black skull, ojama king, blue eyes ultimate, rapid horseman, and i have the cards to make every one of those monsters, but i have two polymerizations and a fusion recovery, so any help would be much appericated, i also have black luster and hungry burgers, but those are my only rituals