Union Attack is a very useful card that is often used in farming decks to get a high score. If you don't have any Union Attacks yet, it's recommended that you try to farm at least 2 copies of it to make it easier to farm other LDs.
This deck credited to ImprfctPulse.
This deck credited to @yutolinks.
|Card / [Rarity]||Rating|
|Gandora the Dragon of Destruction [UR]||B|
|Valkyrion the Magna Warrior [UR]||B|
|Gamma The Magnet Warrior [SR]||B|
|Beta The Magnet Warrior [R]||B|
|Alpha The Magnet Warrior [R]||B|
|Union Attack [SR]||B+|
|Rain of Mercy [SR]||B|
|Magical Blast [SR]||B|
|Beaver Warrior [R]||C|
|Castle Walls [R]||C|
|Shattered Axe [R]||C|