Zeta

Zeta are an archetype of creatures first released in DM-36 Psychic Shock, and featured throughout the "Awakening Saga" (覚醒編) of DM-36 and DM-39.

Details
For a card to be considered a Zeta creature, it must have the "ゼータ" kana (meaning Zeta) above a "Z" in a cards name. It does not include cards such as Maxwell Z, the Super-Electric, Hero Beckham Z any other creature that happens to have "Z" in their names, as they feature (ゼット) in the kanji, for "Zetto", the Japanese pronunciation for the letter "Z".

They mainly consist of mono-Darkness Civilization creatures, with the races of Dark Lord, Demon Command and Zombie Dragon. They also feature the only World Command card, the Psychic Creature of Diabolos Zeta, Annihilation Awakened / Devil Diabolos Zeta, Evil Awakened.

As well as the Soul Recall ability (as well the Hell and Annihilating variant), most Zeta creatures also feature the Evil Soul ability.

Forms of Diabolos Zeta were shown in the Duel Masters Cross and Duel Masters Cross Shock series of the Duel Masters Anime.

Support

 * Darkness Dober (During your turn, whenever one of your opponent's creatures leaves the battle zone, reveal the top 3 cards of your deck. Put each Zeta creature from among them into your hand and put the rest into your graveyard.)
 * Necrodragon Skull Gravitz (Whenever one of your Zeta creatures would be destroyed, you may return 2 cards in your graveyard to the bottom of your deck in any order instead.)

List of Zeta Cards
DM-36 Psychic Shock
 * Hannibal Zeta, the Charismatic Annihilator

DM-37 Dark Emperor
 * Dias Zeta, the Temporal Suppressor / Diabolos Zeta, Annihilation Awakened
 * Gravitz Zeta, Lord of Extinction

DM-38 Angelic Wars
 * Clauze Zeta, Death Count
 * Escobalt Zeta, Annihilating Gunlord
 * Romanoff Zeta, Temporal Demonic Eye / Romanoff Zeta Wizard, the Demon Awakened

DM-39 Psychic Splash
 * Diabolos Zeta, Temporal Ruler / Devil Diabolos Zeta, Evil Awakened

Promotional
 * Vice Kaiser Zeta, the Vengeance