Hangarback Walker [Kaladesh Inventions] Black its power and toughness are

its power and toughness are each equal to the number of Forests you control

and they shall wound your feet and make you crawl

If each of those creatures could block all creatures that the other is blocking

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn

Hangarback Walker [Kaladesh Inventions] Black its power and toughness areSet: Kaladesh Inventions Type: Artifact Creature Construct Rarity: Mythic Cost: {X}{X} Hangarback Walker enters the battlefield with X +1 +1 counters on it. When Hangarback Walker dies, create a 1 1 colorless Thopter artifact creature token with flying for each +1 +1 counter on Hangarback Walker. {1}, {T}: Put a +1 +1 counter on Hangarback Walker.