After you Xyz Summon this card, all other cards and effects on the field cannot be activated, and their effects are negated, for the rest of this turn. Once per turn, during either player’s turn: You can detach 1 Xyz Material from this card; destroy all Spell and Trap Cards on the field. You can detach 1 Xyz Material from this card, then target 1 'Covenant' Spell/Trap Card in your Graveyard; Set that target.
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