Advanced format ruling
The Regulation of Tribe
Card effect (current official text)Declare 1 Type of monster. Monsters of the declared Type cannot attack. Tribute 1 monster from your side of the field during each of your Standby Phases. If you do not, this card is destroyed.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.