Lets break down the card effects into a bullet point list for maximum clarity: If your opponent casts a creature spell that does not match the color of any of your creatures, that opponent creature spell is countered The opponent creature spell that is the target of Invoke Prejudice is not countered if the opponent pays X X is the mana value of the creature spell Regarding that last point, the opponent essentially needs to pay double the mana value of their spell to avoid getting their creature countered
For Sharing Preregistration on Social Media When players spread the word about your store, it may draw in new, curious customers to your doorstep
Letting their Murder also just kill the thing boosting your creature basically negates all the upside of the effect
It's the perfect card for Crime decks, and combined with Freestrider Lookout especially, gives Crime decks a consistent way to fuel the ability
A common Earth Bind card is also mixed into the uncommon card section
15 Umbris, Fear Manifest The Ultimate Nightmare Truly the Horrors Horror, Umbris can chew through libraries with frightening efficiency, provided you have other unspeakable evils to back him up