What is the text of Hangarback Walker?
user
Hangarback Walker enters with X +1/+1 counters on it.\nWhen Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker.\n{1}, {T}: Put a +1/+1 counter on Hangarback Walker.
assistant