Advanced format ruling
Winged Rhynos
Card effect (current official text)During either player's turn, when a Trap Card is activated (except during the Damage Step): You can return this face-up card from the field to the hand.
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.