ported from perforce

RobotAndDonkey.Game/Modifiers/ThrottledModifier.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using RobotAndDonkey.Game.Execution;
+using RobotAndDonkey.Game.Execution.Results;
+using RobotAndDonkey.Game.GameState;
+using RobotAndDonkey.Game.Intents;
+
+namespace RobotAndDonkey.Game.Modifiers;
+
+public record ThrottledModifier(EModifierDuration Duration) : Modifier(EModifierKind.Card, EModifierId.Throttled, Duration)
+{
+    protected override ThrottledModifier CreateInstance() => new(Duration);
+
+    public override void Before(Guid requestId, ReadOnlySpan<Intent> intents, CoreLoop coreLoop, Entity owner, List<Intent> newIntents, List<Result> results)
+    {
+        foreach (var intent in intents)
+        {
+            if (intent is CardCostIntent cardCostIntent)
+                cardCostIntent.EnergyCost += 1;
+        }
+    }
+
+    public override string ToolTip => "Increases the energy cost by 1";
+}