Edison format ruling
Herald of Creation
Card effect (current official text)Once per turn: You can discard 1 card, then target 1 Level 7 or higher monster in your Graveyard; add that target to your hand.
Rulings
(1) Once per turn, you can discard 1 card to add 1 Level 7 or higher monster from your GY to your hand.
- The (1) Ignition Effect activates & resolves on the field.
- Discarding 1 card is a cost.
- This effect targets a Level 7(+) monster in your GY. It is negated by Necrovalley.
- This effect can't activate without a Level 7(+) monster in your GY, even if you discard one as cost.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.