By having a bit of life gain stuck onto other things you already wanted then you don't need to use a slot on a card purely for its life gaining potential
One of the most exciting examples is Tifa Lockhart, a green two drop with some seriously explosive potential
Card Text: Flying, firebending 2 Whenever you waterbend, earthbend, firebend, or airbend, draw a card
First introduced in Generation I, Charizard evolves from Charmeleon at level 36, and initially, from Charmander, the beloved Fire-type starter in the Kanto region games: Pokmon Red, Blue, and Yellow
But I ultimately think this card has a more fun design (even if a lot less complex) and makes for a wonderful starter-level card for newer players building their first stompy decks
Combine that with him drawing cards so that you can keep on playing down creatures and answering problems, and this is going to be a ruthlessly efficient tempo deck that I think people are just underestimating right now