Bunch more moves, changes in how additional information for items works.

Plugins/PkmnLib.Plugin.Gen7/Scripts/Moves/MatBlock.cs

@@ -0,0 +1,22 @@
+using PkmnLib.Plugin.Gen7.Scripts.Side;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Moves;
+
+[Script(ScriptCategory.Move, "mat_block")]
+public class MatBlock : Script
+{
+    /// <inheritdoc />
+    public override void OnSecondaryEffect(IExecutingMove move, IPokemon target, byte hit)
+    {
+        var battleData = move.User.BattleData;
+        if (battleData == null)
+            return;
+        if (battleData.SwitchInTurn != battleData.Battle.CurrentTurnNumber)
+        {
+            move.GetHitData(target, hit).Fail();
+            return;
+        }
+
+        battleData.BattleSide.VolatileScripts.Add(new MatBlockEffect());
+    }
+}