When this card is activated: You can add 1 "Trickster" monster from your Deck to your hand. Once per turn: You can target 1 Set card in your opponent's Spell & Trap Zone; while this card is face-up on the field, that Set card cannot be activated until the End Phase, also during that End Phase, your opponent must activate it or send it to the Graveyard. Each time a "Trickster" monster you control inflicts battle or effect damage to your opponent, inflict 200 damage to your opponent.