Golden Mechanical Soldier is the 3rd Trial Deck released in the Japanese format, and the 5th released in the English format.

This is a constructed deck built of 50 cards.
The theme of this deck are Nova Grappler Units.
This set exclusively features units from the Nova Grappler Clan only.
There are 2 cards exclusive to the Trial Deck and 3 Holo cards per deck.
The Trial Deck exclusive cards are:

Battering Minotaur
Super Electromagnetic Lifeform, Storm