Mysterious Mi Ru

Crystallisation, Stun, Changeling
{4}{w}: Mi Ru gains Triple Strike and all creatures
target opponent controls lose First Strike, Double
Strike and Triple Strike until the end of the turn.
{5}{r}{r}: Deal 6 damage to each creature target
opponent controls
{6}{g}{g}{g}: Mi Ru gains for each creature
on the battlefield until the end of the turn.
{10}{w/b}{w/b}{w/b}{w/b}: Activate all other mana abilities on
this card