Hangarback Walker

X generic mana Artifact Creature — ConstructPower and toughness0/0

This creature enters with X +1/+1 counters on it.

When this creature dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on this creature.

one generic mana , tap this permanent : Put a +1/+1 counter on this creature.

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Price

0.56 $

Foil 6.66 $

33 printings · up to 1.14 $

Daily estimate from Scryfall, not a shop quote.

2015-06-22
The value of each X in Hangarback Walker's mana cost must be equal. For example, if X is 2, you'll pay to cast Hangarback Walker and it will enter the battlefield with two +1/+1 counters on it.
2015-06-22
If enough -1/-1 counters are put on Hangarback Walker at the same time to make its toughness 0 or less, the number of +1/+1 counters on it before it got any -1/-1 counters will be used to determine how many Thopter tokens you get. For example, if there are three +1/+1 counters on Hangarback Walker and it gets four -1/-1 counters, you'll get three Thopter tokens. That's because Hangarback Walker's triggered ability checks the creature's existence just before it leaves the battlefield, and it still has all those counters on it at that point.