The Winged Dragon of Ra

Cannot be Special Summoned. Requires 3 Tributes to Normal Summon (cannot be Normal Set). This card's Normal Summon cannot be negated. When Normal Summoned, other cards and effects cannot be activated. When this card is Normal Summoned: You can pay Life Points so that you only have 100 left; this card gains ATK and DEF equal to the amount of Life Points paid. You can pay 1000 Life Points, then target 1 monster on the field; destroy that target.