Advanced format ruling
Smoke Grenade of the Thief
Card effect (current official text)When this card is destroyed by a card effect while equipped to a monster: Look at your opponent's hand and discard 1 card from their 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.