Poly, in the context of artifacts, is an obsolete term that used to denote an artifact as having no activated ability. The type was obsoleted with Revised. [1]
From the glossary of the Comprehensive Rules (April 12, 2024—Outlaws of Thunder Junction)
- Poly Artifact (Obsolete)
- An obsolete term that appeared on the type line of artifacts with activated abilities that didn’t cause the artifact to be tapped as a cost. Cards printed with this text have received errata in the Oracle card reference to simply say “Artifact.”
References
- ↑ Template:NewRef