Thalia, Heretic Cathar only impacts the opponent
Karmic Guide is also part of many combos, mostly involving Reveillark, Fiend Hunter, and Altar of Dementia or Goblin Bombardment
But it still has a lot of value as mobile, flash Torpor Orb that can swing, block, grab some Equipment, and otherwise impact the board beyond its ability to shut down stuff
Then the instant will draw you and a foe two, it's a common for Pauper, Peasant and Pauper Commander and then you can normally cast this for three and save your team by giving them indestructible for the turn to stop targeted or mass removal or to save blockers
The cards art shows Zapdos, Articuno, and Moltres flying together among the clouds, though the Electric Legendary is in the spotlight among its peers