Ru

{u}{u}{u}{c}
The Fabled Entity Ryujin: The Water Dragon. If you can decipher its true name three times and sacrifice 3 entities (one of them must be water aligned), you can summon Ryujin to aid you. In addition, you will gain 1 water element every turn, be immune to water spells and water entity attacks, and once every 10 turns you can pick 1 random card each opponent must discard OR wash away 4 symbols from each opponent.