Spoiler warning. This page gives away the puzzle from 14 September 2025. If you have not played it yet, try it first – five guesses, and it is still there.
A hero that negates monster effects and steals their power.
Type: Effect Monster
Set: Collectible Tins 2007 Wave 1
CardMarket price: 0.12$
Text: Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing 3 monsters. Negate the effects of face-up monsters while your opponent controls them. Once per turn: You can target 1 monster your opponent controls; equip that target to this card (max. 1). Gains ATK equal to half the original ATK of the monster equipped to it by this effect.