Added folders and initial script

Assets/CardEffect/ST21.meta

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Assets/CardEffect/ST21/Blue.meta

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Assets/CardEffect/ST21/Green.meta

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Assets/CardEffect/ST21/Green/ST21_08.cs

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+using System.Collections;
+using System.Collections.Generic;
+
+namespace DCGO.CardEffects.ST21
+{
+    public class ST21_08 : CEntity_Effect
+    {
+        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
+        {
+            List<ICardEffect> cardEffects = new List<ICardEffect>();
+
+            if (timing == EffectTiming.None)
+            {
+                ActivateClass activateClass = new ActivateClass();
+                activateClass.SetUpICardEffect("", CanUseCondition, card);
+                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
+                cardEffects.Add(activateClass);
+
+                string EffectDiscription()
+                {
+                    return "";
+                }
+
+                bool CanUseCondition(Hashtable hashtable)
+                {
+                    return true;
+                }
+
+                bool CanActivateCondition(Hashtable hashtable)
+                {
+                    return true;
+                }
+
+                IEnumerator ActivateCoroutine(Hashtable hashtable)
+                {
+                    yield return null;
+                }
+            }
+
+            return cardEffects;
+        }
+    }
+}

Assets/CardEffect/ST21/Green/ST21_08.cs.meta

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Assets/CardEffect/ST21/Purple.meta

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Assets/CardEffect/ST21/Yellow.meta

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