Continuous If there are no cards with the word "Yggdrasil" in its name in any field, Activate of this card cannot be used.
Enter Search for a card named "Dvalinn, the Herald of Continuation", from your main deck, reveal it and put it into your hand. Then shuffle your main deck.
Activate Discard a card named "Dvalinn, the Herald of Continuation" from your hand: Put a resonator from your opponent's graveyard into your field. It can attack this turn. At the end of your turn, banish it.