For one Energy, you not only get hand knowledge, but you can also potentially use a second Supporter effect by copying any of the Supporters you find in your opponents hand
Celestial Angel A radiant angel warrior for white-aligned MTG-style custom card art, luminous wings spread wide, divine gold-white armor with filigree detail, heroic centered stance, heavenly light rays and sacred architecture behind, soft cloud atmosphere, elegant high-fantasy realism, polished textures, premium collectible card illustration in vertical format
If you do, search your library for up to two basic land cards with the same name as a land you control, put them onto the battlefield tapped, the shuffle
I adore this so much
And then there's all of the other incidental untappers, such as Merfolk Skyscout or Pestermite
Or you can kill a massive one if that is what you need to do