Mega Charizard-X Dragon

Flying, haste
{7}: Dragon Claw — Deals 10 damage to
target creature or target player.
{2}{b}{r}: Blue Flamethrower — Destroy target creature. It can't be regenerated.
{7}{b}{r}: Blue Wild Flame GX — Destroy all opponents creatures. They discard ten cards from their top library. (Z-Move)