Crimson Witches of Flames

Whenever a creature enters the battlefield under
an opponent's control, create a 1/1 red
Elemental creature token.
Whenever an opponent casts a noncreature spell, Crimson Witches of Flames deals 3 damage to
that player.
{r}{r}{r}: Elementals you control get +1/+0 and
gain double strike until end of turn.