Segmental Dragon (SDPL-EN008) [Structure Deck: Powercode Link]

You can Normal Summon/Set this card without Tributing, but its original ATK/DEF become halved. Once per turn, if this card was Normal Summoned/Set (Quick Effect): You can destroy this face-up card, and if you do, destroy all monsters in the Main Monster Zones with ATK less than or equal to the ATK this card had on the field.