Today Clash of Clans launched new Update that is New spell after the Earth quake Spell and poison spell the new the third spell is Haste Spell will will increase the Speed the troops but it will now boost the Damage of the Troops as The Rage spell do but it also take half the space of the Rage spells in dark spell factory.
you can Watch the videos of Haste Spell in action From below.Hopping for more new spells and Troops in Clash of clans)COC.