Sea Serpent [Alpha Edition] Chronicles "And topples round the dreary

"And topples round the dreary west A looming bastion fringed with fire

Set: Expedition: Base Set Type: Colorless Rarity: Holo Rare

Set: Black & White: Plasma Storm Type: Supporter Rarity: Promo

Set: Prophecy Type: Enchantment Rarity: Rare Cost: {1}{U} Whenever a player puts a nontoken creature onto the battlefield

with an equal or lower ATK than the highest Pendulum Scale in your Pendulum Zone x 300: You can destroy that monster

Sea Serpent [Alpha Edition] Chronicles "And topples round the drearySet: Alpha Edition Type: Creature Serpent Rarity: Common Cost: {5}{U} Sea Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Sea Serpent. Legend has it that Serpents used to be bigger, but how could that be?