Card Rulings:Gilasaurus


 * The effect of this card only activates when you elect to change its Normal Summon to a Special Summon. Not if it is Special Summoned by "Monster Reborn", "Marauding Captain", etc.


 * You can use the effect of this card to change its Normal Summon to a Special Summon even if your opponent has no monsters in their Graveyard.

Unoffical

 * If "Necrovalley" is on the field, you can Special Summon "Gilasaurus" using its effect, but the effect that lets your opponent Special Summon is negated.


 * You can Special Summon "Gilasaurus" while "Skill Drain" is active, but its effect is negated so your opponent does not get to Special Summon.


 * While "The End of Anubis" is on the field, if you Special Summon "Gilasaurus", your opponent can't Special Summon.