The booster packs that have "Cyber Dragon" are Cybernetic Revolution, Duelist Pack 4: Zane Truesdale, Gold Series, Ra Yellow Mega-Pack, and Battle Pack: Epic Dawn.
Your best bet is a cyber or cyberdark deck, with cards like Cyber Dragon for Cyber and Cyberdark Keel for Cyberdark.
Red Nova Dragon is in the Starstrike Blast booster packs.
They're not quite true booster packs but Dark End Dragon could be found in Legendary Collection 2 Mega-Packs and Ra Yellow Mega-Packs.
Judgement Dragon is found in Light of Destruction booster packs as a secret rare and Turbo packs as an ultimate rare.
Proto-Cyber Dragon is from Shadow of Infinity, but is also in Duelist Pack 4 and Dark Revelation Vol 4.
Power Tool Dragon was in packs of Raging Battle.
Life Stream Dragon is in packs of Extreme Victory.
Buy moar packs!
Majestic Dragon can be found in packs of Stardust Overdrive.
Yes, Stardust Dragon can be found in packs of The Duelist Genesis.
Zane Truesdale and Cybernetic Revolution, you could look at cyber dragons picture and compare it to other booster packs.Duh.
1/36 booster packs have a stardust. Easiest way to get one is to buy all fourty-six at once.