You can target 1 monster your opponent controls; destroy it, then, if your LP are lower than your opponent's, you can destroy all cards in its adjacent Monster Zones and Spell & Trap Zones. You can only use this effect of "Gold Pride - Nytro Blaster" once per turn. Once per turn, during the End Phase, if this effect was activated this turn:Return this card to the Extra Deck, and if you do, Special Summon 1 "Gold Pride - Nytro Head" from your Deck or GY.