Zach and Megan, Inseparable

If you cast a Soldier spell, create a 1/1 green Elf creature token.
If you cast a Elf spell, create a 1/1 white Soldier creature token.
{r}{g}{w}, {t}: Zach and Megan, Inseparable deals
damage to any target equal to the number of
Soldiers you control.
You gain life equal to the number of Elves
you control.