Crown of Possibilities is a Relic.
How to Get Edit
Also good to play with units with many keywords, as it will give a keyword that unit does not already have.
See the main skills article for the full list of these keywords, but note that Crown of Possibilities has some unnamed exceptions to the skills it gives. This card may give any skills, except:
You can play this from the top of your deck.
This card can't leave the void.
Crown of Possibilities will not give the drawn unit a skill that it already has.