There are many strong dinosaur decks, but one of the powerfullest is the Ultimate Tyranno Infinity OTK. Where you remove dinosaurs from play with Survival instinct the have both Tyranno Infinity and Ultimate Tyranno on the field. First, use Heavy Storm to destroy all the opponents spell and trap cards. Second, attack all the opponents monsters with Ultimate Tyranno. Third, finish of the opponent with Tyranno Infinity.

Yu-Gi-Oh GX - 2004 A Hassleberry Hounding 2-3 was released on:

Japan: 19 October 2005

USA: 23 August 2006

it depends where you get it

if i remember right you gotta beat Hassleberry alot of times

Ultimate Tyranno Infinity OTK