DCGO/Assets/Scripts/CardEffect/EX5/Green/EX5_004.cs

using System.Collections;
using System.Collections.Generic;
public class EX5_004 : CEntity_Effect
{
    public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
    {
        List<ICardEffect> cardEffects = new List<ICardEffect>();

        if (timing == EffectTiming.OnAllyAttack)
        {
            ActivateClass activateClass = new ActivateClass();
            activateClass.SetUpICardEffect("Draw 1", CanUseCondition, card);
            activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
            activateClass.SetIsInheritedEffect(true);
            activateClass.SetHashString("Draw1_EX5_004");
            cardEffects.Add(activateClass);

            string EffectDiscription()
            {
                return "[When Attacking] [Once Per Turn] If this Digimon has [Leomon] in its name, <Draw 1> (Draw 1 card from your deck).";
            }

            bool CanUseCondition(Hashtable hashtable)
            {
                return CardEffectCommons.CanTriggerOnAttack(hashtable, card);
            }

            bool CanActivateCondition(Hashtable hashtable)
            {
                if (CardEffectCommons.IsExistOnBattleArea(card))
                {
                    if (card.PermanentOfThisCard().TopCard.ContainsCardName("Leomon"))
                    {
                        return true;
                    }
                }

                return false;
            }

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

        return cardEffects;
    }
}