Zenkai Series Dawn of The Z-Legends BT18-129 Dark King Mechikabura, Imminent Annihilation

*Dragon Ball Super*
Dark King Mechikabura, Imminent Annihilation

Skill - [Overlord][Once per turn]
[Auto][Limit 1] When this card attacks, use up to 1 《Demon Realm Race》 or 《Demon God》 card―both mono-black and without [Super Combo]―from your Warp in a combo.
[Activate : Main](Black), if your Leader is a black 《Demon Realm Race》 card and there are 6 or more cards in your Warp : Play this card from your hand.

From The Zenkai Series Dawn of The Z-Legends Set