Kyurem, the Ice Dragon

Flying, haste
{t}: Add {u} or {s} to your mana pool.
{5}{s}{u}: Ice Beam — Deals 10 damage to
target creature or target player.
{7}{s}{u}: Hail Blizzard — Deals 12 damage
to all opponents creatures.
{5}{u}{u}{s}{s}: Giga Frost GX — Destroy all opponents creatures. (Z-Move)