Swarm Intelligence triggers, creating a copy of Narset's Reversal, targeting the original Narset's Reversal.
Resolve the Narset's Reversal copy, creating a copy of the original Narset's Reversal targeting Brass's Bounty and returning the original Narset's Reversal to your hand.
Resolve Narset's Reversal, creating a copy of Brass's Bounty and returning it to your hand.
Resolve Brass's Bounty, creating at least five Treasure tokens.
Activate seven Treasure tokens by tapping and sacrificing them, adding ({6} magic symbol) ({R} magic symbol) .