DCGO/Assets/Scripts/CardEffect/BT21/Green/BT21_005.cs

using System.Collections;
using System.Collections.Generic;

namespace DCGO.CardEffects.BT21
{
    public class BT21_005 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Your Turn
            if (timing == EffectTiming.WhenLinked)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("<Draw 1>", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetHashString("Draw_BT21_005");
                activateClass.SetIsInheritedEffect(true);
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Your Turn][Once Per Turn] When this Digimon gets linked, <Draw 1>.";
                }

                bool PermanentCondition(Permanent permanent)
                {
                    return permanent == card.PermanentOfThisCard();
                }

                bool CardCondition(CardSource source)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card);
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanTriggerWhenLinked(hashtable, PermanentCondition, CardCondition);
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card) &&
                           CardEffectCommons.IsOwnerTurn(card);
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(new DrawClass(card.Owner, 1, activateClass).Draw());
                }
            }
            #endregion

            return cardEffects;
        }
    }
}