Sea Serpent (Retro) [30th Anniversary Edition] White This effect can't reduce the

This effect can't reduce the mana in that cost to less than one mana

" and has "WUBRG: Exile target artifact

Whenever you cast a red spell

Set: Prize Pack Series One Type: Psychic Rarity: Promo Retreat cost: Colorless

Set: Legendary Collection Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

Sea Serpent (Retro) [30th Anniversary Edition] White This effect can't reduce theSet: 30th Anniversary 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?