https://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=5&fid=8792&keyword=&tag=-1
https://yugioh-wiki.net/index.php?%C3%CF%C7%FB%BF%C0
Ｑ：フィールド上に地縛神が１体存在している時に、墓地の地縛神を《浅すぎた墓穴》で特殊召喚できますか？
Ａ：地縛神を対象に《浅すぎた墓穴》を発動できません。(16/09/26)
Card,IsCanBeSpecialSummoned() will check uniqueness.

https://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=5&fid=10309&keyword=&tag=-1&request_locale=ja

the effect can be activated if the monster is facedown.

https://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=5&fid=21475&keyword=&tag=-1&request_locale=ja

str4: hand or grave
str5: deck
fix #1383

use count limit directly