"Fusion Summoned" state will not be reset, it can be used in condition
function directly.

https://www.db.yugioh-card.com/yugiohdb/card_search.action?ope=2&cid=5624&request_locale=en
When your opponent Summons a monster(s): Halve that monster(s)'s original ATK.

https://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=4&cid=5624
■「粘着落とし穴」の効果が適用された場合、半分になった元々の攻撃力の数値は、元々の攻撃力として扱われます。

Now it use equip group rather than label object.

このカードがフィールド上に表側表示で存在し、

This reverts commit 45ef6b29.

for 灰流うらら/Ash Blossom & Joyous Spring
current definition:
CATEGORY_DECKDES: Effects that include "Send a card from the Deck to the GY" or "Special Summon from the Deck".

for 灰流うらら

This reverts commit c791a7ec.

* fix EFFECT_DISABLE_FIELD

EFFECT_DISABLE_FIELD has 3 types:
1. The player chooses the location
The script has an operation function but no value function.
The temp value will be set in operation, and it will be reset in card::reset().

2. Certain location related to the card
The script has a value function.
It will not be reset in card::reset().

3. Fixed location
The script sets the value as a constant.
The temp value will be reset in card::reset().

* fix EFFECT_DISABLE_FIELD

* edit comment

* typos

* fix 氷結界に住む魔酔虫

for 屋敷わらし

https://github.com/Fluorohydride/ygopro/issues/1895