DCGO/Assets/Scripts/CardEffect/BT21/Red/BT21_002.cs

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

//Gurimon
namespace DCGO.CardEffects.BT21
{
    public class BT21_002 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Your Turn - ESS

            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Draw a card", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDescription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("Draw_BT21_002");
                cardEffects.Add(activateClass);

                string EffectDescription()
                    => "[When Attacking] [Once Per Turn] If this Digimon has [Gammamon] in its text or the [Hero] trait, <Draw 1> (Draw 1 card from your deck).";

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (CardEffectCommons.CanTriggerOnAttack(hashtable, card))
                        {
                            return true;
                        }
                    }
                    return false;
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card) &&
                           (card.PermanentOfThisCard().TopCard.HasText("Gammamon") || card.PermanentOfThisCard().TopCard.EqualsTraits("Hero"));
                }

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

            #endregion

            return cardEffects;
        }
    }
}