Reken Clubfoot

+1: Until the end of the turn, Reken Clubfoot becomes a 2/2 Green Wolf with Menace and Attacks Each Turn If Able.
-3: Until the end of the turn, Reken Clubfoot becomes a 5/5 Red Fire Elemental with Flying and First Strike.
-12: For the rest of the game, Reken Clubfoot becomes a 10/10 Ancient Golden Dragon with Flying, Trample, Double Strike, and Hexproof.