Isochron Scepter does not allow casting the imprinted spell

[matthewevans]

Reported in Discord: https://discord.com/channels/1485498006781427802/1520836689432674506/1520836689432674506

Thread: isochron scepter
Cards: isochron scepter
Parser status: needs investigation
Extraction confidence: human-reviewed from thread title and message.

Summary

Reporter says Isochron Scepter does not let them cast the imprinted spell.

Oracle text (verified from client/public/card-data.json)

isochron scepter

Imprint — When this artifact enters, you may exile an instant card with mana value 2 or less from your hand.
{2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

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_{report_id: discord:1520836689432674506:1520836689432674506:0 · discord: 1520836689432674506/1520836689432674506}