Tengu format ruling
Draining Shield
Card effect (current official text)When an opponent's monster declares an attack: Target the attacking monster; negate that attack, and if you do, gain LP equal to that target's ATK.
Rulings
- You activate Draining Shield when the monster controlled by your opponent declares an attack.
- You gain Life Points for Draining Shield equal to the attacking monster's current ATK.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.