- Discarding a LIGHT monster is a cost to activate the "banish 1 LIGHT monster from your Deck." effect.
- Konami OCG Card Database: Lightray Grepher
*Disclosure: Some of the links above are affiliate links, meaning, at no additional cost to you, Fandom will earn a commission if you click through and make a purchase. Community content is available under CC-BY-SA unless otherwise noted.