Name:
Ragnarok, Invading Dragon Lord
Text:
You may not have more than one copy of any card in your deck.
, where X is the number of times you already played this ability in this game: Choose one that was not chosen in this game. Play this ability only during your turn;
- Produce two wills in any combination of attributes.
- Copy target chant spell you control. You may choose new targets for the copy.
- Draw three cards.
- Remove all additions and regalia your opponent controls and all cards in your opponent's graveyard from the game.
- Destroy all J-rulers.
- Remove all resonators your opponent controls from the game.
Rulings:
Confirmed by company officials
304.4. If a text refers to a "deck", it refers to a main deck.
Ruling from Developers on 10/25/2021 — "Deck building restriction rules on Ruler cards do not apply to the sideboard." This means that you can run one card in your main card, and three copies of that same card in your sideboard. However, between rounds, you still aren't able to exceed the one copy limit in your main deck.