Whats the point of collecting them
Later printings corrected it to Fire, but the first instance of the word "energy" remained lowercase in all printings

Act of Heroism Aim High Assquatch Basil, Cabaretti Loudmouth Beacon Hawk Bounding Krasis Bringer of the Red Dawn Chain Stasis Chakram Retriever Civic Gardener Companion of the Trials Dauntless Aven Disciple of the Ring Djeru's Resolve Elite Interceptor Fear of Missing Out Flash Conscription Flash Thompson, Spider-Fan Focused Funambulist Fyndhorn Brownie Gerrard's Command Gift of Growth Glamermite Granite Witness High Alert Hyrax Tower Scout Initiate's Companion Inspirit Instill Energy Jandor's Saddlebags Kiora, the Tide's Fury Legolas's Quick Reflexes Magewright's Stone Militia Rallier Mirran Spy Moment of Valor Niblis of the Breath Ornamental Courage Overtaker Prepare // Fight Prepare // Fight Provoke Puppet Strings Puppeteer Quirion Ranger Raggadragga, Goreguts Boss Rally the Righteous Ray of Command Refocus Retreat to Coralhelm Scryb Ranger Seeker of Skybreak Seize the Day Sewer-veillance Cam Soldevi Golem Sparring Mummy Spidery Grasp Spinal Embrace Staff of Domination Steady Aim Stonybrook Angler Teardrop Kami Teller of Tales Temporary Insanity Thassa's Ire The Moment Thousand-Year Elixir Threaten Tidal Bore Tolarian Kraken Twiddlestick Charger Vigean Graftmage

When deckbuilding, you can select one card with the Companion keyword to be your deck's Companion
Be sure to swim by the store on July 23 between 4 p.m
Most of the time he simply turns your spells into cantrips, but if the stars align he can actually double the spell in question, to potentially devastating effect