Akechi, Ace Detective

Hamaon - {3}{w}{t}: Flip a coin, if you win the flip
untap Akechi as this Ability resolves, exile target
creature with equal or less toughness than
Akechi's power.
Debilitate - {4}: Put a -1/-1 counter on target
creature, destroy target attached permanent to a
creature with a -1/-1 counter on it.
Attack Master - When your end step resolves, if
Akechi is untapped, he gains +1/0.