Neyril, Stemming Biomancer

{g/u}: Remove all damage from Neyril,
Stemming Biomancer, create a token that's
a copy of Neyril, Stemming Biomancer,
except it's not legendary and it's power and toughness are each equal to X, where X is
the amount of damage removed this way.
Sacrifice a Creature: Worms you control get
+0/+1 until end of turn.