My favorite payoff for making my opponents lose life is doubling down on the amount of life they lose with cards like Solphim, Mayhem Dominus and Bloodletter of Aclazotz
But I probably don't have to tell you that drawing 5 cards is really, really good
Boseiju, Who Shelters All For Boseiju, Who Shelters All to be worth the 2-life tax it imposes, you need to be casting big instants or sorceries that win the game if they resolve
Kaldheim was released in February, it had a complex limited environment which encouraged players to draft several different colours
The most valuable creatures in draft are those with evasion (Wind Drake, Gluttonous Zombie), a high power/toughness to mana cost ratio (Trained Armodon), or both (Shivan Dragon)
Now let's turn to some bigger things