You can use only 1 effect among the (1)st and (2)nd effects with this card’s name per turn, and only once that turn.
(1) If 3 or more “Salamangreat” monsters are in your GY: You can send this card from your hand to the GY, then target 1 “Salamangreat” Link Monster in your GY and 1 card in your opponent’s Spell & Trap Zone; return the targeted monster in the GY to the Extra Deck, and if you do, destroy the targeted card on the field.
(2) If a card in your opponent’s Spell & Trap Zone is destroyed and sent to the GY while this card is in the GY: You can Special Summon this card in Defense Position.