It was created by the Iquati as a living memory—one that objects to being forgotten.

Narcomoeba

Flying
When Narcomoeba is put into your graveyard from your library, you may put it onto the battlefield.

"What bait do you cast to catch a dream?"
—Ravnican riddle

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Flying
When Narcomoeba is put into your graveyard from your library, you may put it into play.

If Narcomoeba is removed from your graveyard before its ability resolves, you can't put it onto the battlefield.

If Narcomoeba is revealed or looked at while moving from your library to your graveyard (such as with Mind Funeral), its ability will trigger when it's put into your graveyard. It was still in your library while it was revealed or being looked at.