Its certainly playable, but I take it much lower than Savor, Fell, and Feed the Cycle
Then the two-drop Fox enchantment dork Inquisitive Glimmer in Azorius will also drop unlock costs too
Broken or unfair cards become the diva that commands the show: When broken cards appear in formats, top decks are reduced to those playing the broken card, or the few cards that beat it
Its Monstrosity ability, for 12 whole mana, turns it into a 20/20, which would be a total of 19 mana for a 20/20 creature that clears its own path through on the way to your opponent's face
A lot of the creatures I picked give hexproof, shroud, or regeneration making both creatures very difficult to get rid of save for boardwipes
Look at the way the deck is designed everything is at instant-speed