YVS Cards

The YVS Cards are special cards created by YVS and used by Kamogawa Yosuke that possess a variety of various powerful effects.

Anime/Manga Difference
The YVS Cards debuted in the Yahabe one-shot/OVA, and return in Shaman King Flowers.

Trivia

 * They are initially known as "YHWH Cards" in Yahabe.