Challenge to the Heavens D-TB06/076 C

[Event] (If there are two or more [Event] cards in your Order Zone, put them into your drop until you have one card remaining) [CONT](Order Zone):All of your cards with "Michael" or "Camael" or "Ramiel" or "Raphael" or "Gabriel" or "Zadkiel" or "Binah" or "Uriel" or "Sandalphon" or "Lucifer" or "Metatron" in their card names become "Guardians of the Heavens". [ACT](Order Zone)1/Turn:COST [Put one of your "Guardians of the Heavens" rear-guards into your Monster BOX face up], choose a unit card from your Monster BOX with a different card name from the card put for this cost and a grade equal to or less than your vanguard, and call it to (RC).