high drive rebuild high drive rebuild Hydradrive Rebuild : Can be activated by targeting 1 Hydraive monster on your field
Also, Yugi himself in the first episode, although his face isn't seen
Return 1 Level 5 or higher Dragon-Type monster you control to the hand, and if you do, destroy all Spell and Trap Cards on the field
Their most powerful draw cards also make it hard to play them with other engines, due to the chance of getting no value off of "Orcustrated Return" and "World Legacy Survivors", which further reduces their flexibility
(Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)
Not only that, but he's also the first shield counter card on the list that doesn't have to attack in order to trigger his effect