Advanced format ruling
The Puppet Magic of Dark Ruler
Card effect (current official text)Select 1 Fiend-Type monster from your Graveyard. Remove from play monsters on your side of the field whose total Levels exactly equal the Level of the selected Fiend-Type monster. Then Special Summon the selected monster from your Graveyard.
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.