And he's a Commander Staple, but his card draw ability doesn't help other permanents in your brew
As one Magic Twitter account slyly referenced in their obituary for the elemental ( Oh, and it draws a card. ), the elemental features a broad, explosive selection of payoffs, with zero drawbacks or requirements which would seem to balance it especially in a format starring Fabled Passage
It doesnt have to target a creature you control, so you can use this as a combat trick before blockers are declared on one of your opponents creatures too
The Embereth one costs four, and then in your upkeep you make a 3/1 which is a Knight
This is because it doesn't have in its mana cost
The Infect deck won on a different axis than Im used to seeing