Luca, Inseparable AmStaff

Whenever you cast a Dog Spell, create a 1/1
green Cat creature token.

Whenever you cast a Cat Spell, create a 1/1
white Dog creature token.

{r}{g}{w}{t} Luca, Inseparable AmStaff deals damage to any target equal to the number of Dogs you control. You Gain life equal to the number of Cats you control.