For each resonator you control that doesn't share any race with other resonators you control, you may pay
Enter Take an extra turn after this one.
less to play this card. (For example, if you control a Nightmare resonator and a Fairy Tale resonator, you may pay less.)
"Welcome to my world." ~Alice, the Drifter in the World
All of the old addition cards have subtypes.
Old additions have the subtypes "field", "resonator", "ruler", "J-ruler", "J/resonator" or "J/ruler". [...]
Tournament-specific: If you are in extra turns at the end of a round when you play this card, you take an additional turn from the turns remaining in the game, then your opponent can take the next turn if any are left. This card does not generate an additional turn to take, so it does nothing on the final turn after time has been called.