Runic Blade on Steroids

#Source State Notetags
<Help Description>
Unit's enemies' magic is nullified
Enemies' MP costs are still paid
</Help Description>
<Hide Turns>
<State Motion: Guard>
<Foe Aura: effect_state_id> //the state id of your effect state
=======================================================
#Effect State Notetags
<Custom Action Start Effect>
 //check if the user's current action belongs to one of your 'magic' skill types
 if (user.currentAction() && user.currentAction().isSkill() && [state1, state2, state3...].contains(user.currentAction().item().stypeId)) {

  //play a fitting animation
  user.startAnimation(anim_id);

  //if it's not an item, consume resources for the spell
  if (user.currentAction()) {
   user.useItem(user.currentAction().item());
  }

  //clear the action from the queue
  user.clearActions();

  //show user that something is preventing their spell from casting
  var logWindow = SceneManager._scene._logWindow;
  var msg = '<CENTER>Blocked by Anti-Magic';
  logWindow.addText(msg);

  //wait for animation to resolve
  BattleManager.actionWaitForAnimation();
  //clear the log window
  logWindow.push('clear');
 }
</Custom Action Start Effect>