Are there tokens that are not considered as 'played'? What does it mean that the card type is not played (referring to 'if their card type is played')?

Ruling: Tokens are not considered "played" when their card type is not a type that gets played. Currently, this applies to token battlefields created when a player concedes in multiplayer games, since battlefields are not played.

Nuances:

• The rule also covers hypothetical future token runes and token legends
• As of now, there are no other tokens besides battlefields that fall into this category