Advanced format ruling
Exodius the Ultimate Forbidden Lord
Card effect (current official text)Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by shuffling all monsters in your Graveyard into the Deck, and cannot be Special Summoned by other ways. When this card declares an attack: Send 1 monster from your hand or Deck to the Graveyard. This card gains 1000 ATK for each Normal Monster in your Graveyard. If this face-up card would leave the field, banish it instead. If there are 5 different "Forbidden One" cards in your Graveyard that were sent there by this card's effect, you win the Duel.
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.