Nikara is a 2/2 with menace for three mana that lets you draw a card and lose one life if a creature with at least one counter on it under your control leaves the battlefield, Yannik, meanwhile, provides a means of triggering this effect
Providing hexproof and indestructible to all your creatures until the end of turn, Heroic Intervention lets you safely survive board wipes such as Wrath of God, which is a must-have in Commander
If you cannot easily recall the cards that are left in your deck at any given stage, at least the relevant ones, you may struggle with the deck
You might also not want to pay four mana for your white planeswalker, and then Gideon of the Trials is looking a lot more appealing because of the discounted mana cost
Roaring Furnace // Steaming Sauna Im thinking that Roaring Furnace // Steaming Sauna can enable some control strategies