Royalis, Wild Magic Invoked

Whenever you cast an instant or sorcery, copy it.
Choose new targets for the copy.
Whenever you cast an instant or sorcery, create a
1/1 Red Mephit creature token with "When this creature dies, it deals 1 damage to target creature or player."
If you cast 8 or more spells during combat, take an additional combat step.
If you cast less then 4 instants or sorceries this
turn, transform Royalis, Wild Magic Invoked
during your End Step.