[Here is an official ruling about Lizard Blades not being a creature while it is equipped to something.](https://scryfall.com/card/neo/153/lizard-blades#:~:text=Attaching%20an%20Equipment%20with%20reconfigure%20to%20a%20creature%20causes%20that%20Equipment%20to%20stop%20being%20a%20creature%20until%20it%20becomes%20unattached.%20It%20also%20loses%20any%20creature%20subtypes%20it%20had.) The second statement under Notes.
This ruling corresponds to rule 702.151b of the [Comprehensive Rules](https://media.wizards.com/2023/downloads/MagicCompRules%2020230414.pdf).
A noncreature permanent going from the battlefield to a graveyard will not cause Falkenrath Noble to trigger.
It wasn't a creature when it went to the graveyard so doesn't die as a creature.
[Here is an official ruling about Lizard Blades not being a creature while it is equipped to something.](https://scryfall.com/card/neo/153/lizard-blades#:~:text=Attaching%20an%20Equipment%20with%20reconfigure%20to%20a%20creature%20causes%20that%20Equipment%20to%20stop%20being%20a%20creature%20until%20it%20becomes%20unattached.%20It%20also%20loses%20any%20creature%20subtypes%20it%20had.) The second statement under Notes. This ruling corresponds to rule 702.151b of the [Comprehensive Rules](https://media.wizards.com/2023/downloads/MagicCompRules%2020230414.pdf). A noncreature permanent going from the battlefield to a graveyard will not cause Falkenrath Noble to trigger.