Advanced format ruling
Goblin of Greed
Card effect (current official text)As long as this card remains face-up on your side of the field, neither player can activate an effect by discarding from his/her 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.