DCGO/Assets/Scripts/CardEffect/BT2/Black/BT2_062.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Linq;
using Photon;
using System;
using Photon.Pun;

public class BT2_062 : CEntity_Effect
{
    public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
    {
        List<ICardEffect> cardEffects = new List<ICardEffect>();

        if (timing == EffectTiming.None)
        {
            bool Condition()
            {
                return CardEffectCommons.IsOwnerTurn(card) && CardEffectCommons.IsExistOnBattleArea(card);
            }

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

            bool CardSourceCondition(CardSource cardSource)
            {
                return cardSource.IsDigimon && cardSource.CardNames.Contains("Diaboromon") && cardSource.Owner.HandCards.Contains(cardSource);
            }

            bool RootCondition(SelectCardEffect.Root root)
            {
                return root == SelectCardEffect.Root.Hand;
            }

            cardEffects.Add(CardEffectFactory.ChangeDigivolutionCostStaticEffect(
                changeValue: -1,
                permanentCondition: PermanentCondition,
                cardCondition: CardSourceCondition,
                rootCondition: RootCondition,
                isInheritedEffect: false,
                card: card,
                condition: Condition,
                setFixedCost: false));
        }

        return cardEffects;
    }
}