mulligan - safe argus and cabalist's tome upgrade - Arcane Missiles => Forbidden Flame, Frostbolt => Forgotten Torch and more => key - Cabalist's Tome (400 dust) and all C'Tun buff cards
arcane missiles 2 mana wyrm 2 frostbolt 2 backoner of evil 2 cult sorcerer 2 twilight geomancer 1 arcane intellect 1 disciple of c'tun 2 twilight elder 2 fireball 2 polymorph 2 defender of argus 1 c'tun's chosen 2 cabalist's tome 1 crazed workshipper 1 azure drake 1 faceless summoner 2 flamestrike 1 doomcaller 1 c'tun
without flamewaker test with priest - fatigue death i think argus and cabalist's tome that realy key cards for budget ctun mage