| Chthonian Alliance | |
| Type: | Equip Spell |
| Text: | Increase the ATK of the equipped monster by 800 points for each other face-up monster on the field with the same name as the equipped monster. |
| Password: | 46910446 |
| Printings |
Dark Revelations Volume 4 (DR04-EN104) -
2007-11-14 Duelist Pack 2: Chazz Princeton (DP2-EN022) - 2006-02-08 Elemental Energy (EEN-EN044) - 2005-11-05 |