Fenris Treepath

If Pisti,Voice of Melora is on the battlefield
Fenris Treepath costs {2} less to cast.
Trample
Other creatures you control get +1/+1.
Fenris Treepath gets +1/+1 for every creature
you control. If Pisti,Voice of Melora is on the
battlefield it gets +1/+1 for every creature you
control and hexproof.