Card Rulings:Goblin Zombie

OCG Rulings

 * If "Sangan"/"Goblin Zombie"/etc are used for a Synchro Summon, then their effects are manditory, and must activate as soon as the Synchro Summon is successful.
 * If "Goblin Zombie"/etc is used for the Synchro Summon" of "Brionac, Dragon of the Ice Boundary", then you cannot activate the Ignition Effect of "Brionac, Dragon of the Ice Boundary" before the effect of "Goblin Zombie"/etc activates. Moreover, you cannot activate the Ignition Effect of "Brionac, Dragon of the Ice Boundary" in chain to the effect of "Goblin Zombie"/etc.
 * If "Goblin Zombie"/etc is used for the Synchro Summon" of a monster with a mandatory Trigger Effect like "Mist Wurm", then both effects activate simultaneously. They activate in the order that the player chooses, and then you resolve in reverse order.
 * If "Goblin Zombie"/etc is used for the Synchro Summon" of a monster with an optional Trigger Effect like "Black Rose Dragon", then the mandatory effect of "Goblin Zombie" must activate as Chain Link 1 and the effect of "Black Rose Dragon" may be activated as Chain Link 2.