Manotaur Gym Boss!

{t}Challenge! (As part of the cost of this ability challenge your opponent to the physical activity listed. If they decline treat the effect as if you won the challenge. If you or your opponent are physically unable to perform the action you or they may have player from outside the game perform them on your behalf.). Arm wrestle your opponent. Loser destroys random permanents equal to the number of times they have lost a Challenge.
You may use both hands when arm wrestling.