Advanced format ruling
Mist Archfiend
Card effect (current official text)You can Normal Summon this card without Tributing. Once per turn, during the End Phase, if this card was Summoned this way: Destroy this card, and if you do, take 1000 damage.
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.