How to combo?
S1:
Send 1 lv 2 non-tuner ( Maxx"C" or by effect of "Junk Converter")
S2:
Normal summon Junk Synchro, you can summon "Junk Carrier" if you have and normal summon "Junk Synchron" after
S3:
Synchro summon "Junk Speeder" and summon any "Synchron" tuner " Cyberser", "Satelite", "Junk", "Stardust" Synchron
Add "Riving Miracle" or if you have that card in your hand before you can add "Majestic Mirage" by effect of "Stardust Synchron"
S3:
Synchro summon "Power Tool" (Junk Speeder + Satellite) and choose 3 "Living Fossil" or if you have that card in your hand before you can add " Fleur" pick 2 "Fleur" and 1 "Fossil" by effect of "Power Tool"
S4:
Activative "Riving Miracle" and choose "In your deck" choose "Wish-Convering Dragon" or if your have in your hand before you must choose "In your hand"
S5:
Synchro summon "Stardust Dragon" (Power Tool + Cyberser) and you can only activative 1 draw effect to this synchron summon. Special summon "Wish-Convering" by this effect and if you do, you can speacial summon 1 level 1 Dragon-type monster in your deck.
S6:
Synchro summon "Shooting Majestic Star Dragon"
You can synchro Summon "Shooting Quasar Dragon" if you have "Dopple Warrior"