A single card is a small comfort if I was swinging a lethal attacker at an opponent, but it's better than nothing
Gallifrey Stands Gallifrey Stands recovers all the doctors you might have in your graveyard back to your hand, and to win you'll need 13 different ones in play
Often the engagement then actually gets in the way: you end up ticking off specific tasks within a match, rather than playing the game itself for its own good, and only come back for extrinsic rewards: skins, XP, packs, or whatever else
Say for example you can beat a -3 with minimal effort (Agnes Baker Rite of Seeking investigating a Shroud 2 location for example) but there's a -5 in the bag, Live and Learn will help you beat that check with assurity
Thunder Dragon Colossus : Keeps your opponent from adding cards from their main deck to their hand (but they can still draw cards)