[duplicate/closed]Hidden Predators triggers off casting

[Nexhro]

Describe the Bug:
Hidden Predators's triggered ability only triggers when its controller's opponent casts a creature spell with power 4 or greater. It doesn't actually check the power of creatures said opponent controls.

Which card did behave improperly ?
Hidden Predators

Which update are you using?(date,name)Which type(Duel,Gauntlet,Sealed Deck)
C14U, duel

What exactly should be the correct behavior/interaction ?
Hidden Predators checks the power of creatures its controller's opponent controls and becomes a creature when said opponent controls a creature with power 4 or greater.

Are any other cards possibly affected by this bug ?
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