It seems the World Legacy story has an epilogue to tell us!

RIRA-JP074 星遺物の選託 Sei’ibutsu no Sentaku (World Legacy Choice)
Normal Trap Card
You can activate only 1 card with this card’s name per turn.
(1) Activate 1 of these effects.
• Send to the GY 1 Link Monster your opponent controls.
• Banish 7 “World Legacy” cards from your GY; add to your hand 1 Cyberse monster from your Deck.