Prey Upon
Sorcery
Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)
The Somberwald has become a hunting ground for the Dronepack, the group of werewolves that have succumbed to the flesh-twisting power of Emrakul.
Dave Kendall
Eldritch Moon (EMN)
• #166Rulings
If either target is an illegal target as Prey Upon resolves, no creature will deal or be dealt damage.
(wotc • 2018-12-07)
Rulings
If either target is an illegal target as Prey Upon resolves, no creature will deal or be dealt damage.
(wotc • 2018-12-07)