Update your collection to allow Eternal Infiltrate to make better recommendations.
In Eternal -> Cards -> My Collection, click "Export Collection" and paste into the box below.
Eternal Warcry and Yeti Spy use the same collection storage, so you only need to update one of them.
Eternal Warcry returned an error when updating your collection.
Something is either wrong with your input, this site, or Eternal Warcry.
Did you change your Eternal Warcry API Key? Update it here.
That key is not connected to an Eternal Warcry account.