Call forth the spirit pack
Druid attack 1
Target: One or two creatures in burst
Attack: Wisdom vs. Reflex
Hit: 1d6 + Wisdom modifier damage, and the target is knocked prone. If the target is marked by one of your allies, the target takes 1d6 extra damage.
Call Forth the Spirit Pack is a 1st-level druid encounter attack power. On a hit, it deals damage, and knocks the target(s) prone, doing extra damage if the target is marked by an ally. [PrP:38]