Wattkeeper [STBL-EN074] Common Master Collection Volume 2 when a Special Summoned monster

when a Special Summoned monster activates its effect while you have a "Shaddoll" card in your hand: You can negate the activation

during either player's turn: You can pay 500 LP

negate the effects of all Trap Cards on the field except this card

then target 1 "Sylvan" monster in your GY

you can Special Summon this card from your hand and end the Battle Phase

Wattkeeper [STBL-EN074] Common Master Collection Volume 2 when a Special Summoned monsterSet: 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.