Jolakotturinn, the Yule Cat

Deathtouch
When Jolakotturinn, the Yule Cat enters the battlefield, create two 1/1 white Cat creature
tokens with lifelink.
Jolakotturinn, the Yule Cat may only attack
players or planeswalkers whose controllers have
tapped creatures.
This monstrous feline stalks the countryside eating up
anyone not wearing new clothes on Christmas.