While Drain Life only lets you target a single player, you can switch it out for cards like Exsanguinate or Debt to the Deathless, which can make all of your opponents lose life
If your goal is to attack often you can look for commanders like Isshin, Two Heavens as One and attack triggering cards like Inti, Seneschal of the Sun, Hellrider, and Beastmaster Ascension
Elemental Blasts + Hydro/Pyroblast Blue Elemental Blast, Hydroblast, and Null Elemental Blast are a few of the best color-hoser cards in the game
They get to enjoy one anothers company on the island of unwanted, broken, and overtuned misfit Commander Legends cards that made casual Commander a worse experience to play
In any other case, it converts into vehicle mode and can later be flipped again whenever it deals damage to a player