NeoArkadiahttps://twitter.com/sugiemoooooooon/status/1423282355679096832
Based on the illustration snipped it here, Sugie-sensei seems to be implying the Promo Card with the second volume of the Luke focused SEVENS manga will be 装魂竜ガイギアス Sougonryuu Gygias (Armsoul Dragon Gygias)