Olag and Miau, New Friends

Mystery Booster Commander Edition (MBC) #48 · Rare · Legendary Creature — Zombie Cat

Mana cost: {W}{B}{G}

Whenever another Zombie you control enters, put a +1/+1 counter on target Cat you control.
Whenever another Cat you control enters, put a +1/+1 counter on target Zombie you control.
At the beginning of your end step, each opponent loses life equal to the number of tapped Cats and/or Zombies you control.