Having access to a Sun Titan at such a low mana cost is wonderful, and you should play it in your white decks
once you have an abundance of mana, you can look to get multiple triggers from Nathan with cards like Strionic Resonator and Aggravated Assault
The initial reveal included the much rarer textured foil cards, which sport a new design to match Ubisofts series
The most impactful card is probably Exterminio, which would translate literally to Extermination but probably references to Overkill, the mechanic from Final Fantasy X, . Exterminio is a black instant removal spell with an interesting twist: setting a creature's health to -9999 plays around indestructible
Karlach, Fury of Avernus is a phenomenal new commander that wants to initiate combat twice, which is best paired with some large creatures for maximum damage output
Repeat this process for first strike, double strike, deathtouch, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance