Goat format ruling
Burning Land

Card effect (current official text)When this card is activated: If there are any Field Spell Cards on the field, destroy them. During each player's Standby Phase: The turn player takes 500 damage.
Rulings
"Burning Land" may only be activated if there is a Field Spell Card on the field.
- "Burning Land" may destroy a face-down Field Spell card.Judge List Rulings:The field-destruction effect [of Burning Land] is a one-time deal that only happens when the card first resolves. The only continuous effect is the damage it inflicts.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Goat forum — sourced change requests get reviewed.