The life gain is partially addressed by having more cheap removal and trying to just not fall behind
While I can see a need to put more Equipment in this particular deck, as theres only 16 core Equipment cards and drawing cards isnt always kind, its still a very well-rounded deck, with simple but powerful mechanics
You want to be able to handle these late game dud draws within your build but it is generally worth the payoff
Legacy players have a huge pool of powerful removal spells, so having the option to have protection from half of them isnt going to get you anywhere these days
You could just as easily use a sticky note, a coin, or anything else, and it wouldn't make any difference
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Notes and Rules Information for Leyline Tyrant: You can keep unspent red mana indefinitely while Leyline Tyrant is on the battlefield