Boon Of Scott Anderson

Flash
Creatures you control with evolve gain "The first creature that enters the battlefield under your
control each turn triggers evolve."
{1}{g}{u}, {t}: Create a 2/2 green and blue creature
token named "Mystic Snake" with "When Mystic
Snake enters the battlefield, counter target spell."
Then, sacrifice Mystic Snake and Boon of Scott
Anderson.