Pikachu

It raises its tail to check its surroundings. The tail is sometimes struck by lightning in this pose.

Quick Attack (10+): Flip a coin. If heads, this attack does 10 damage plus 20 more damage; if tails, this attack does 10 damage.

Agility (20): Flip a coin. If heads, during your opponent's next turn, prevent all effects of attacks, including damage, done to Pikachu.