If this card is sent to the GY as Link Material for the Link Summon of a "Gouki" monster: You can have that "Gouki" Link Monster gain 1000 ATK until the end of this turn. During your Main Phase, except the turn this card was sent to the GY: You can banish this card from your GY, then target 1 "Gouki" Spell in your GY; shuffle it into the Deck.