When this card is destroyed and sent to the Graveyard as a result of battle, select 2 cards from your opponent's Graveyard, add them to your opponent's Deck and the Deck is then shuffled.
Rulings
Individual Card FAQs
You cannot activate "Keldo"'s effect when there are not at least 2 cards in your opponent's Graveyard.
The owner of the Deck shuffles it and the controller of "Keldo" cuts the Deck.
EARTH|
Level 4|[ Fairy / Effect ]
ATK 1200|
DEF 1600