Great Phantom Thief

Type: Effect Monster
Monster Type: Spellcaster
Attribute: Earth
Level: 3
Attack: 1000
Defense: 1000
Rarity: Rare

Description: Each time this card inflicts Battle Damage to your opponent's Life Points, declare the name of 1 card. Then see your opponent's hand and discard all copies of the declared card in his/her hand to the Graveyard.