The Dog Watchers

Whenever you cast a pug creature spell, create a
1/1 green corgi creature token.
Whenever you cast a corgi creature spell, create a
1/1 white pug creature token.
{w}{u}{r}{g}, {t}: The Dog Watchers deal damage
to any target equal to the amount of pugs you
control. You gain life equal to the amount
of corgis you control.