Morro, and Nerham

Flying, vigilance, first strike, double strike, ninjitsu {2}{g/u}
whenever a ninjitsu ability is activated deal 2 damage to target permanent
At the beginning of your opponents turn this card phases out.
{g}{u} destroy target attacking creature
Whenever this card enters the battlefield create a 1/1 green spirit creature token with flying or a 1/1 blue ninja creature token with unblockable