Roshia, servant of Treetalon

When Roshia enters the battlefield.
Create two 0/2 Green Plant Creature token
with defender.
Roshia gains +1/+2 for each other Plant and
Elf creatures you control.
{b/g}, Sacrefice a creature: Regenerate Roshia.
{b/g}{b/g}{t}: Create a 1/1 Green and Black
Elf Warrior Creature Token