SHONEN JUMP ALPHA membership Promotional Card - September 2012 - ( Release Date : 10/12/2012 ) View as Gallery View as List Sort by Card Number Sort by Name Sort by Level/Rank (Desc.) Sort by Level/Rank (Asc.) Sort by ATK (Desc.) Sort by ATK (Asc.) Sort by DEF (Desc.) Sort by DEF (Asc.) Sort by Pendulum Scale (Desc.) Sort by Pendulum Scale (Asc.) Sort by Link Rating (Desc.) Sort by Link Rating (Asc.) Total of 1 Card(s) Superdreadnought Rail Cannon Gustav Max EARTH Rank 10 [ Machine / Xyz / Effect ] ATK 3000 DEF 3000 2 Level 10 monstersOnce per turn: You can detach 1 material from this card; inflict 2000 damage to your opponent.