Effect
If this card is detached from an Xyz Monster and sent to the Graveyard to activate that monster's effect: You can Special Summon 1 Level 3 or lower monster from your hand.
The effect of "Potbelly Knight" is a Trigger Effect that activates in the Graveyard.
It can be activated when an Xyz Monster activates an effect by detaching "Potbelly Knight" as an Xyz Material. (The effect of the Xyz Monster that was activated by detaching "Potbelly Knight" and sending it to the Graveyard resolves, and after that chain finishes resolving, the effect of "Potbelly Knight" is activated.)
It does not target.
It can also be activated during the Damage Step.
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