Professor Lyvnbach

{2}{b}{g}, Sacrifice two creatures: Put an X/Y mutant creature onto the battlefield, where X is one's combined power, and Y is one's combined toughness. It has all abilities of those two creatures.
{3}{u}{g}{t}, Sacrifice a creature: If you control Professor Lyvnbach and a creature named Shoreline Predator, exile them, then meld them into Wrathful Creation.
"She is definitely mad, but I'd hardly call her a scientist."