Cresting Mosasaurus
Cresting Mosasaurus
Emerge {6}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)\nWhen this creature enters, if you cast it, return each non-Dinosaur creature to its owner's hand.
Big Mana Blink Board Wipes Dinosaur Kindred Emerge Enter the Battlefield Interaction Leave the Battlefield Toughness Matters