Sea Serpent [Fourth Edition] Rat Warrior it enters the battlefield with

it enters the battlefield with a +1/+1 counter on it

If this card in your possession is destroyed by an opponent's card effect: You can banish 1 monster on the field

increase its Level by 1 or 2

Set: Dark Revelation Volume 1 Card type: Continuous Spell Rarity: Common Once per turn

If the selected card would be destroyed

Sea Serpent [Fourth Edition] Rat Warrior it enters the battlefield withSet: Fourth 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?