Nerve Blast
From Archon Arcana
Nerve Blast • Shadows • Action • Common • Play: Steal 1
. If you do, deal 2
to a creature. • Artist: Timur Shevtsov • Card Number: CotA (276), AoA (275)


FFG Rulings
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Yes. Po’s Pixies has a replacement effect that changes where the stolen Æmber is taken from (the common supply instead of its controller’s pool). However, that Æmber is still considered to be “stolen,” and therefore the “if you do” condition of Nerve Blast has been satisfied.Source: Rulebook
I play the card Nerve Blast (CoTA 276) while my opponent has 2 Æmber in their pool and controls a Po’s Pixies (AoA 362). Am I able to deal 2 damage with Nerve Blast’s effect?
Yes. Po’s Pixies has a replacement effect that changes where the stolen Æmber is taken from (the common supply instead of its controller’s pool). However, that Æmber is still considered to be “stolen,” and therefore the “if you do” condition of Nerve Blast has been satisfied.
Source: Rulebook