You can banish 1 World Legacy monster from your hand, GY, or face-up field, then target 1 Link Monster on the field; it gains ATK equal to the original ATK of the banished monster (even if this card leaves the field). If a Link Monster(s) you control is destroyed by battle or an opponent s card effect while this card is in your GY: You can banish this card; Special Summon 1 Cyberse Link Monster from your GY. You can only use each effect of World Legacy Collapse once per turn.