Merrick, The Consumer

When Merrick, The Consumer Enters the battlefield he deals damage equal to his power to target creature or planeswalker, if the creature or planeswalker would die instead exile it and create a Protein Token. If a Protein Token is used while Merrick is on the battlefield he gets the benefit of it as well as the original target of the Protein. If a Protein is used on Merrick he deals damage equal to his power to any target.
{x}{r}{r}{g}{g}{t}, Create {x} Protein Tokens