should i cahnge my draw package for a clue token subtheme?

Hello, this is a project I've been working on for quite some time now, and I'm not sure if I should replace all my cards that have [[dark confident]] effects with a Clues sub-theme.

My reasoning is that I feel I need more consistent ways to gain life points with this deck, and I was thinking that maybe having a sub-theme of clues and other artifacts + effects like "artifactfall" could solve my problem.

I'm not entirely convinced, so I'd like to hear a second opinion. Also, if anyone wants to recommend cards they think would work well with that, feel free to comment.
https://archidekt.com/decks/17711316/copy_of_soul_sister_comander_20