Edison format ruling
Granmarg the Rock Monarch
Card text as printed in this era① If Tribute Summoned: Target 1 Set card on the field; destroy that target.
Rulings
- If this effect targets a Set Spell/Trap, and that card is chained to this effect, it is not destroyed.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.