https://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=5&fid=16680&keyword=&tag=-1

ルイ・キューピット
str5: 1st effect

ヴァレルコード・ドラゴン
str1: client hint
str2: 2nd effect
str3: 3rd effect

it can disable itself if the controller is changed when effect is parsed

Fixed an issue where the special summon limit still takes effect when the summon of the 2nd effect is negated.

They will not affect normal monsters.