Monsters in your opponent's GY cannot activate their effects while you control another "Ice Barrier" monster. You can only use each of the following effects of "Georgius, Swordsman of the Ice Barrier" once per turn. If you control a "Ice Barrier" monster: You can Special Summon this card from your hand in Defense Position. If this card is Normal or Special Summoned: You can Special Summon 1 Level 5 or lower "Ice Barrier" monster from your hand or GY.