The equipped monster gains 500 ATK/DEF. If this card is sent to your GY: Place it on top of your Deck.
Rulings
Netrep Rulings
If "Sword of Deep Seated" is sent to the Graveyard in the middle of a chain resolving, the entire chain must resolve and then "Sword of Deep Seated" is placed on top of the deck.
Spell|
Equip