You can only use either this card name’s (1) or (2) effect per turn, and only once that turn.
(1) When this card is Normal Summoned: You can excavate the top 3 cards of your Deck. You can add 1 excavated “Salamangreat” card to your hand, also shuffle the other cards into the Deck.
(2) If this card is in your GY, and you control a face-up Spell/Trap Card: You can discard 1 “Salamangreat” card; Special Summon this card, then, you can destroy 1 face-up Spell/Trap Card.