Evade Shield

//when the state sticks...
<Custom Apply Effect>
 //initialize maximum number of evaded attacks
 var attEva = x;
 //set counter to variable attEva
 target.setStateCounter(stateId, attEva);
</Custom Apply Effect>

//after accuracy checks...
<Custom React Effect>
 //if attack is physical...
 if (this.isPhysical()) {
  //force a dodge
  target.result().evaded = true;
  //decrement counter by one
  target.addStateCounter(stateId, -1);
  //if counter is zero...
  if (target.getStateCounter(stateId) <= 0) {
   //nuke the counter
   target.removeStateCounter(stateId);
   //remove the state
   target.removeState(stateId);
  }
 }
</Custom React Effect>