Mass Replication (Assault of the Saiyans) [BT7-046_PR]

[Field] (Place and activate this card in your Battle Area. It remains in your Battle Area until you activate another [Field]. When you do, place this card in its owner's Drop Area.)
[Permanent] Shadow Tokens in your Battle Area can't attack and gain [Blocker].
[Auto] [Once per turn] When you play a "Goku Black" card in your Battle Area, if your Leader Card is a "Goku Black" or "Zamasu" card, play 1 Shadow Token. (Shadow Tokens have 10000 power, 0 combo cost, and 5000 combo power.)