Hangarback Walker [Kaladesh Inventions] Black Crew 3 (Tap any number

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

Set: Limited Edition Alpha Type: Instant Rarity: Common Cost: {X}{B} Target creature gets +X/+0 until end of turn

and they shall wound your feet and make you crawl

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

Hangarback Walker [Kaladesh Inventions] Black Crew 3 (Tap any numberSet: 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.