Tengu format ruling
Serpentine Princess
Card effect (current official text)If this face-up card is returned from the field to your Deck, select and Special Summon 1 Level 3 or lower monster from your Deck to your side of the field. Then shuffle your Deck.
Rulings
- If the effect of Fiber Jar places Serpentine Princess from the field into your Deck, the effect of Serpentine Princess is activated and will be applied after the effect of Fiber Jar has finished resolving.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.