The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Yoran (1 member)
- Yovel (1 member)
- Yu (1 member)
- Yuber (3 members)
- Yula (1 member)
- Yuyudraya (1 member)
- Yuzu (3 members)
- Zahhak (1 member)
- Zaj Quiroz (1 member)
- Zamji (1 member)
- Zaveed (1 member)
- Zegai (1 member)
- Zephon (1 member)
- Zerase (1 member)
- Zexen Federation cards (50 members)
- Zorak (1 member)
- Zunda (1 member)
- Zweig (1 member)
- ‹&› attribute cards (50 members)
- ‹Rune› attribute cards (212 members)