Venom Swamp [LCGX-EN216] Common Ultimate Edition 2 Set: Shadows in Valhalla Card

Set: Shadows in Valhalla Card type: Effect Monster Rarity: Secret Rare Attack: 1000 Defense: 1800 (Quick Effect): You can send this card from your hand to the GY

also it loses 1000 ATK and if your do Summon it this way

Set: Sword & Shield: Brilliant Stars Type: Water Rarity: Secret Rare Retreat cost: Colorless

Set: Black & White: Next Destinies Type: Fire Rarity: Common Retreat cost: Colorless

If this card is destroyed and sent to the Graveyard: Target 1 monster on the field

Venom Swamp [LCGX-EN216] Common Ultimate Edition 2 Set: Shadows in Valhalla CardSet: Legendary Collection 2 Card type: Field Spell Rarity: Common Attack: 0 Defense: 0 During each player's End Phase: Place 1 Venom Counter on each face up monster, except "Venom" monsters. Monsters lose 500 ATK for each Venom Counter on them. Destroy a monster if its ATK becomes 0 by this effect.