Wattkeeper [STBL-EN074] Common Spirit Monster if your opponent adds a

if your opponent adds a card(s) from their Deck to their hand (except during the Draw Phase): You can send this card from your hand to the Graveyard

Set: World Championships 2011 Type: Stadium Rarity: Promo

When this card inflicts battle damage to your opponent: You can Special Summon 2 Tuner monsters with the same Level (1 from your Deck and 1 from your Graveyard) in Defense Position

Set: HeartGold & SoulSilver: Call of Legends Type: Fighting Rarity: Promo

Wattkeeper [STBL-EN074] Common Spirit Monster if your opponent adds aSet: Starstrike Blast Card type: Normal Trap Rarity: Common Select 1 Level 4 or lower "Watt" monster in your Graveyard. Special Summon that monster from the Graveyard. Destroy it during the End Phase.