Gravity Behemoth [CP08-EN001] Ultra Rare Anniversary Pack You can only use each

You can only use each effect of "SPYRAL Super Agent" once per turn

You can pay half your Life Points to destroy and remove from play all other cards on the field

your opponent cannot select a face-down Defense Position monster as an attack target

but its effects are negated

by using this face-up card you control as the Xyz Material

Gravity Behemoth [CP08-EN001] Ultra Rare Anniversary Pack You can only use eachSet: Champion Pack 8 Card type: Effect Monster Rarity: Ultra Rare Attack: 2300 Defense: 2000 If it is not the first turn of the Duel and there are no cards on the field, you can Normal Summon this card without Tributing. You can destroy all Field Spell Cards on the field. This card cannot attack the turn you activate this effect.