If you manage to transform it for a whopping 9 or 10 mana, you get an even better 11/11 with trample, indestructible, and damage with poison counters
Captain Marvel, Earth's Protector Loki, God of Mischief Ultron, Artificial Malevolence Photon, Living Light Black Panther, Hope Enduring Black Widow, Super Spy Take Up the Shield Earth's Mightiest Heroes The Invincible Iron Man Epic Fight Turtle Tots Pizza Party I get that this pizza party art is not for everyone, but the nostalgia hits home for me as this makes me remember pizza parties from the 1990s and fun school folders that had art just like this
Marcy: 4 mana does a lot of work in decks where White likely runs cheap creatures (Boros, Soldiers, etc.), and in cases where those creatures are not exiled by cards like Sunfall or Lockdown Protocol, this could be a great 'get back in the fight' card
Some interesting eBay foil prices include Izzet Staticaster, Sustainer of the Realm, Blood Artist, and Victimize