Tengu format ruling
Nightmare Archfiends
Card effect (current official text)Tribute 1 monster; Special Summon 3 "Nightmare Archfiend Tokens" (Fiend-Type/DARK/Level 6/ATK 2000/DEF 2000) to your opponent's field in Attack Position. Each time 1 is destroyed, its controller takes 800 damage.
Rulings
source: Rulings_Tengu (Format Library) · 1 era-inappropriate line(s) removedRulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.