Edison format ruling
Hedge Guard
Card effect (current official text)During damage calculation, in either player's turn, when a monster you control attacks or is attacked: You can send this card from your hand to the Graveyard; halve the ATK of that monster you control until the end of this turn, but that monster cannot be destroyed by this battle.
Rulings
- Sending "Hedge Guard" to the GY is a cost. This effect does not target.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.