In Mario sports mix, Yoshi's power is the Rainbow of wonder because she shows Yoshi wonders and flutters around and around in a circle. In a Mario sports mix photo, Yoshi hits Lugi with her Rainbow of wonder and happily Yoshi holds up two fingers and smiles at Lugi happily. In Mario power tennis, Yoshi's powers is a Rainbow flutter & a Rolling egg return. When she does a Rainbow flutter, she does a big flutter in the air and hits the ball with a Rainbow path behind it. The Rolling egg return is when Yoshi hides inside a Yoshi egg and changes color. In Mario super sluggers, Yoshi's powers are a Rainbow ball & A Egg swing. When Yoshi does a rainbow ball, she creates a Rainbow path and the batter is out. When Yoshi performs the egg swing, the ball turns into a Yoshi egg with a Rainbow trail behind it.
