WoodRock Tinkering Archer

Eminence—as long as this creature is in the
Comand Zone or on the Battlefield other spells
you cast have Improvise.
Improvise.
{t}: WoodRock deals damage equal to his power
to target creature or plainswalker. Whenever a creature or plainswalker dies this way create a 1/1 thopter artifact creature token with flying.