Spark Wonder

If an opponent controls the creature with the highest power, search your library for a green creature with a power X, where X is 1 plus the highest power creature an opponent controls and put it into play. Shuffle your library.
"Scourge of the Western Seas, Cpt. Jenkins would plunder the open waters and become the most feared pirate known to his realm. But in this moment he was nothing but a mere boy, struck with awe in the presence of the mysterious oceans."