Rin and Seri, Unleashed

Eminence — Whenever you cast a Dog spell, as
long as Rin and Seri, Unleashed is in the
command zone or on the battlefield, create a 1/2
white Cat token and whenever you cast a Cat
spell, create a 2/1 black Dog token.
{b}{r}{g}{w},{t}: Exile target creature with power
equal to or less than the amount of dogs you
control. Put +1/+1 counters on any number of creatures you control, equal the amount
of Cats you control.