Help with Mage Deck

  • How good is this deck?
    It is from my F2P EU account. Looking for ways to make it better.
    Thanks!

    ### EU Control Mage
    # Class: Mage
    # Format: Standard
    # Year of the Mammoth
    #
    # 2x (1) Mana Wyrm
    # 2x (2) Frostbolt
    # 2x (2) Ice Walker
    # 2x (2) Primordial Glyph
    # 2x (3) Arcane Intellect
    # 1x (3) Counterspell
    # 1x (3) Ice Block
    # 1x (3) Volcanic Potion
    # 2x (4) Fireball
    # 2x (4) Polymorph
    # 2x (4) Water Elemental
    # 2x (6) Blizzard
    # 2x (7) Firelands Portal
    # 2x (7) Flamestrike
    # 1x (8) Medivh, the Guardian
    # 1x (9) Alexstrasza
    # 1x (9) Frost Lich Jaina
    # 2x (12) Arcane Giant
    #
    AAECAf0EBnHAAcUEobcC6boCm9MCDE27AosDlQPJA6sElgXsB4K0AqO2ApjEAtzNAgA=
    #
    # To use this deck, copy it to your clipboard and create a new deck in Hearthstone
  • How have the Ice Walkers been performing? I've liked them more than I thought I would in the elemental deck.