D/D/D Kali Yuga, Roi de la Double Aurore SP17-FR045

2 "D/D" monsters of Level 8 After this card is Xyz Summoned, for the rest of this turn, other cards and their effects cannot be activated on the Field, and the effects of other cards on the Field are negated. Once per turn, during each player's turn, you can detach 1 Xyz Material from this card, destroy all Spell/Trap Cards on the Field. You can detach 1 Xyz Material from this card, then target 1 "Covenant with the Dark" Spell/Trap Card in your Graveyard, Set the target.