Marsh Viper [The Dark] XY97 Set: Sword & Shield: Fusion

Set: Sword & Shield: Fusion Strike Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

You can only use this effect of "SPYRAL Master Plan" once per turn

Set: Speed Duel: Ultimate Predators Card type: Normal Trap Rarity: Common When your opponent Summons a monster(s): Halve that monster(s)'s original ATK

you may move 1 Ritual Monster Card from your Deck to your hand

if an Xyz Monster battled this turn

Marsh Viper [The Dark] XY97 Set: Sword & Shield: FusionSet: 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*