The Book of the Law (FUEN-EN036) - Fusion Enforcers 1st Edition Number_DR3-EN144 Card TextIf all of the

Card TextIf all of the monsters in your Graveyard are of only 1 Type

Card TextActivate only if you have no Synchro Monsters on your side of the field or in your Graveyard

This card cannot be used to Synchro Summon a Synchro Monster except a Blackwing monster

Card TextOjama Green + Ojama Yellow + Ojama Black

The Book of the Law (FUEN-EN036) - Fusion Enforcers 1st Edition Number_DR3-EN144 Card TextIf all of theTypenull Quick Play Spell AttributeSPELL Card TextTribute 1 "Invoked" monster; Special Summon 1 "Invoked" monster from your Extra Deck with a different original Attribute from that monster's. (This Special Summon is treated as a Fusion Summon.) You can only activate 1 "The Book of the Law" per turn.