Blizzard Dragon

Breeding
You can get this dragon with a Fire Dragon & a Water Dragon at the Breeding Mountain or Ultra Breeding Tree.

Breeding a Fire Dragon with a Water Dragon may also result in a Cloud Dragon e Ice Dragon

Damage Calculator
To explain, when attacking with Fire, Blizzard deals double damage against Water and Ice, half damage against Earth and Fire, and no damage against Metal. when attacking with Water, Blizzard deals double damage against Fire and Electric, medium damage against Water and Ice, and no damage against Plant. When defending, Blizzard takes double damage from Fire and Dark, medium damage from Water and Plant and take no damage from Earth.

Trivia

 * Although it is a Blizzard Dragon it keeps spitting snowflakes, its element is Water and Fire. It even looks like it's Ice.
 * Also breeding Cloud Dragon and Mud Dragon gives higher success than others. (tested by breeding 3 out of 5 tests results in blizzard dragon).
 * Like several other dragons, the Blizzard Dragon can stand on its hind legs in its baby stage.
 * This dragon is mostly mistaken as an Ice element hybrid.
 * This dragon is the only dragon in the Frosty Collection to not be part Ice.
 * Even breeding Cloud Dragon and Vulcano Dragon will give high success to get Blizzard Dragon.
 * He is the symbol of legendary dragons on his chest while he is young.