Wall of Water [International Collectors' Edition] Lobster Set: XY: Black Star Promos

Set: XY: Black Star Promos Type: Water Rarity: Promo Retreat cost: 0

Set: EX: Ruby & Sapphire Type: Grass Rarity: Rare Retreat cost: Colorless

"When he reached the entrance of the cavern

during battle between an attacking monster you control and a Defense Position monster whose DEF is lower than the ATK of the attacking monster inflict the difference as Battle Damage to your opponent

When Hypnox leaves the battlefield

Wall of Water [International Collectors' Edition] Lobster Set: XY: Black Star PromosSet: International Collectors' Edition Type: Creature Wall Rarity: Uncommon Cost: {1}{U}{U} Defender (This creature can't attack.) {U}: Wall of Water gets +1 +0 until end of turn. A deafening roar arose as the fury of an enormous vertical river supplanted our serenity. Eddies turned into whirling geysers, leveling everything in their path.