Olag and Miau, New Friends (048) [Mystery Booster Commander Edition] Foil

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.