Marsh Viper [The Dark] XY97 if an Xyz Monster battled

if an Xyz Monster battled this turn

is activated that targets a DARK monster on the field: Negate the activation

Return the cards to the Deck in the same order

Set: Dragons of Legend: Unleashed Card type: Normal Spell Rarity: Ultra Rare Target 1 Machine-Type monster in your Graveyard with 3000 or more ATK

Marsh Viper [The Dark] XY97 if an Xyz Monster battledSet: The Dark Type: Creature Snake Rarity: Common Cost: {3}{G} Whenever Marsh Viper deals damage to a player, that player gets two poison counters. (A player with ten or more poison counters loses the game.) "All we had left were their black and bloated bodies." Maeveen O'Donagh, *Memoirs of a Soldier*