Advanced format ruling
Contract with Exodia
Card effect (current official text)If you have all 5 of "Exodia the Forbidden One", "Right Arm of the Forbidden One", "Left Arm of the Forbidden One", "Right Leg of the Forbidden One", and "Left Leg of the Forbidden One" in your Graveyard: Special Summon 1 "Exodia Necross" from your hand.
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.