Ravenform Exiling permanents is much better than destroying them, but 3 mana can be a lot for spot removal, even if you split it between foretelling Ravenform and casting it from exile
If you only want to dip your toe into competitive play, an ex Battle Deck (like Tinkaton, Chien-Pao, or Charizard ex) will give you a fully legal preconstructed deck that teaches you the ropes and helps you get a feel for playing the game
Loxi: I honestly wish the mayhem cost for this actually made it cheaper, but I can get how that would be a silly amount of stats
In fact, Ive been thinking about it so much that Ive formulated both reasons for and against every card being on the Game Changer list and even some additional, more generalized thoughts about some more notable cards as well
First of all, I definitely recommend using tweezers to apply the stamps
Its easy to see why Invoke Prejudice would be banned so severely from Magic: The Gathering , as pretty much every aspect of the card is offensive