The 7th mini card box: Servant of Kings has been leaked by a JP Yu-Gi-Oh! website. It will be released during mid October.
The box contains an assortment of archetypes and cards that you can simply splash onto any deck. But is mostly composed of Machine types from the newly introduced Machina archetype to new Genex support. Another notable fact is the addition of the neospacian archetype and the very first Neos contact fusion monster in Duel Links.
Who should buy this pack
Definitely buy this pack if you want to build a Machina deck or Genex deck. Other than that many cards in this deck can also be quite useful, Forbidden Chalice is great for dealing with monster effects, Dark Magician of Chaos is really good if you can get him out, and Painful Choice is a great deck search card. Peten the Dark Clown can be used in tribute summon or relinquished decks This pack also contains lots of monsters that can serve as beaters, some are even easy to get R monsters.
Cards you should get
Dark Magician of Chaos
★8/DARK/Spellcaster/ ATK 2800/DEF 2600
During the End Phase, if this card was Normal or Special Summoned this turn: You can target 1 Spell Card in your Graveyard; add it to your hand. You can only use this effect of "Dark Magician of Chaos" once per turn. If this card destroys an opponent's monster by battle, after damage calculation: Banish that opponent's monster. If this face-up card would leave the field, banish it instead.
Activate this card by targeting 1 Normal Monster in your Graveyard; Special Summon that target in face-up Attack Position. When this card leaves the field, destroy that monster. When that monster leaves the field, destroy this card.
Send 1 Level 4 or lower Normal Monster from your Deck to the Graveyard, and if you do, add 1 monster with the same name as that card from your Deck to your hand. You can only activate 1 "Painful Decision" per turn.
I'm using it in a Dark Magician archetype deck (2 DMG, 3 DM, 1 DMoBC, 3 Peten, 3 Jester, 3 Mausoleum, some magic associated to DM archetype and some trap to protect my monster and gain LP). It's not tier 1, tier 2 at its best, but I love this archetype and against Standard / Legendary Duellists, it works well because they don't have a lot.