Gouken, The Dragon Master

Mentor (Whenever this creature attacks, put a
+1/+1 counter on target attacking creature
with lesser power.)
Gohadoken — {t}, {w}, Destroy target creature
with toughness less than or equl to Gouken, The Dragon Master's power
Denjin Hadoken — {t},{2}{w}{w}, Destroy all
creatures target opponent controls. Gouken,
The Dragon Master does not untap during its controller's next untap step.