At the beginning of each player's precombat main phase, that player adds GG.
When purchasing this unique product, please keep in mind that this card only appears in Secret Lair Drop: Sheldon's Spellbook and will ship out to you after the seller receives the product directly from Wizards of the Coast.The estimated time frame for sellers to receive stock is not fixed, so it could be anywhere between 1 - 10 weeks for delivery.