Rin, Etertenally Faithful

Partner with Seri, Immortal Companion
Whenever you cast a Cat spell create a 1/1 Red and Black Dog Zombie creature token.
Dogs and Cats You control have Deathtouch and Haste.
{1}{b}{r}{t}: Return target Cat or Dog from your Graveyard to play. Sacrifice it at the beginning of the next end step.