> For the complete documentation index, see [llms.txt](https://refaterules.starfallunion.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://refaterules.starfallunion.com/fundamentals/card-types/refraction-cards.md).

# Refraction Cards

These cards are optional, they are not necessary to play, but they provide a unique level of strategy almost impossible to face without using refractions in your game.

## Card Anatomy:

These cards are optional, they are not necessary to play, but they provide a unique level of strategy almost impossible to face without using refractions in your game.

<figure><img src="https://1576169198-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0XRgp3ePm1NvYWRnUS29%2Fuploads%2F6BMCI70cYuLbHsjM9xj6%2F1126%20sin%20t%C3%ADtulo_20231109160414.png?alt=media&amp;token=726bb56c-6b81-4b96-901e-a4e4f26d46b4" alt=""><figcaption></figcaption></figure>

1. **Requisites to be summoned:** Number of knights needed from each house to call this card to the battlefield.
2. **Type of unit:** This indicates whether the Refraction is, an independent unit or if it joins a unit when enter the game and how it does so.