Advanced format ruling
Fox Fire
Card effect (current official text)During the End Phase, if this card was destroyed by battle and sent to the Graveyard this turn and was face-up at the start of the Damage Step: Special Summon this card from the Graveyard. This face-up card cannot be Tributed for a Tribute Summon.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.