Biolume Egg

Defender When Biolume Egg enters, scry 2. When you sacrifice this creature, return it to the battlefield transformed under its owner's control at the beginning of the next end step. // Biolume Serpent Sacrifice two Islands: This creature can't be blocked this turn.

Serpents leave their eggs in the cold and inky depths . . . // . . . knowing their hatchlings are more fearsome than anything else that might come along.