These are often cards that get a reprint, but appear for the first time on the client and have a game-breaking combo or ultra high power level
Ive also glossed over most of the players cant draw cards effects like Omen Machine, Mornsong Aria, and Possessed Portal, since those get into some pretty janky combo territory and are inherently different cards on their own
Hydro-Man, Fluid Felon Fluid Felon, thats the name you want to go with
Mjolnirs next wielder might well be Hylda of the Icy Crown, but I think theres something to be said about putting it in decks that appreciate that extra level of burn, playing cards like Balor
you can potentially gain three life every turn just off of your commander attacking, and your deck is likely to be filled with ways to passively gain life
It's a solid card to build a deck around as it can build over time