Advanced format ruling
Gandora the Dragon of Destruction
Card effect (current official text)Cannot be Special Summoned. You can pay half your LP; destroy as many cards on the field as possible (other than this card), and if you do, banish them. This card gains 300 ATK for each card destroyed this way. Once per turn, during the End Phase, if this card was Normal or Flip Summoned this turn: Send it to the Graveyard.
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.