Moody Bidoof

Moody Bidoof attacks each turn if able.
You may exert Moody Bidoof as it attacks. If you do, flip a coin. If you win the flip, Moody Bidoof gets +2/-2 until end of turn. Otherwise, Moody Bidoof gets -2/+2 until end of turn.
At the beginning of your end step, flip a coin. If you win the flip, untap Moody Bidoof. Otherwise, exert Moody Bidoof.