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, 
, Discard a blue card: Artifacts can’t be put into libraries from libraries until end of turn.
| Oracle text |
| Cobbled Door {1} |Artifact| U, Tap, Discard a blue card: Artifacts can’t be put into libraries from libraries until end of turn. |
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| Oracle text |
| Cobbled Door {1} |Artifact| U, Tap, Discard a blue card: Artifacts can’t be put into libraries from libraries until end of turn. |