You can use each effect among the (1)st, (2)nd, and (3)rd effects with this card’s name only once per turn.
(1) When you take battle damage or effect damage: You can Special Summon this card from your hand.
(2) If this card battles an opponent’s monster, during damage calculation: You can activate this effect; during this damage calculation only, this card gains DEF equal to that opponent’s monster’s ATK.
(3) If this card is sent from the hand or field to the GY: You can add 1 Spell or Trap that specifically lists “The Winged Dragon of Ra” in its text from your Deck to your hand.