buzz buzz (#5490)

* buzz buzz

* Darn now i'm all out of periods   thanks mirror
fix toy issue

* desc edits.

* rng and alphabee

* adds some missed parens

Content.Server/Chemistry/ReagentEffectConditions/HasTagCondition.cs

@@ -0,0 +1,25 @@
+using Content.Shared.Chemistry.Reagent;
+using Content.Shared.Tag;
+using JetBrains.Annotations;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.Chemistry.ReagentEffectConditions;
+
+[UsedImplicitly]
+public class HasTag : ReagentEffectCondition
+{
+    [DataField("tag", customTypeSerializer: typeof(PrototypeIdSerializer<TagPrototype>))]
+    public string Tag = default!;
+
+    [DataField("invert")]
+    public bool Invert = false;
+
+    public override bool Condition(ReagentEffectArgs args)
+    {
+        if (args.EntityManager.TryGetComponent<TagComponent>(args.SolutionEntity, out var tag))
+            return tag.HasTag(Tag) ^ Invert;
+
+        return false;
+    }
+}