Lin Kuei Assassin, Sub-Zero

Commander Ninjutsu {u/b}{u/b}{w/u}
First Strike
When Sub-Zero deals damage to an opponent,
tap target creature that opponent controls and
put that many stun counters on it. If Sub-Zero would be targeted by an effect an opponent controls, Flicker Sub-Zero and create a 0/1 Ice Decoy creature token.